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Search Result : Therapeutic Category : 'Antihistamine'

 
Total Products : 467 
Dexbrompheniramine maleate
Available Ready to ship
(API Standards)
CAT No. : CS-O-01355
Parent APIBrompheniramine
CAS:2391-03-9
Mol. Weight:435.31 mol/g
Mol. Formula: C20H23BrN2O4
Therapeutic Category :Antihistamine
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Azelastine EP Impurity C
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(Impurities)
CAT No. : CS-T-12256
Parent APIAzelastine
CAS:53242-76-5
Mol. Weight:274.7 mol/g
Mol. Formula: C15H11ClO3
Therapeutic Category :Antihistamine
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Erythromycin E
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(Metabolites)
CAT No. : CS-T-21952
Parent APIErythromycin
CAS:41451-91-6
Mol. Weight:747.91 mol/g
Mol. Formula: C37H65NO14
Therapeutic Category :Antihistamine
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Levocetirizine D4 Dihydrochloride
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(Stable Isotopes)
CAT No. : CS-O-14652
Parent APILevocetirizine
CAS:130018-87-0 (Unlabeled)
Mol. Weight:465.83 mol/g
Mol. Formula: C21H23D4Cl3N2O3
Therapeutic Category :Antihistamine
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Dextro Cetirizine Hydrochloride
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(Impurities)
CAT No. : CS-O-05743
Parent APICetirizine
CAS:163837-48-7
Mol. Weight:461.81 mol/g
Mol. Formula: C21H27Cl3N2O3
Therapeutic Category :Antihistamine
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Brompheniramine maleate
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(API Standards)
CAT No. : CS-O-01002
Parent APIBrompheniramine
CAS:980-71-2
Mol. Weight:435.31 mol/g
Mol. Formula: C16H19BrN2C4H4O4
Therapeutic Category :Antihistamine
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Buclizine D8 DiHydrochloride
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(Stable Isotopes)
CAT No. : CS-O-06448
Parent APIBuclizine
CAS:129-74-8 (Unlabeled)
Mol. Weight:514 mol/g
Mol. Formula: C28H27D8Cl3N2
Therapeutic Category :Antihistamine
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Buclizine Dihydrochloride
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(API Standards)
CAT No. : CS-O-03935
Parent APIBuclizine
CAS:129-74-8
Mol. Weight:505.95 mol/g
Mol. Formula: C28H37Cl3N2
Therapeutic Category :Antihistamine
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2,2-Dipyridylamine
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(Impurities)
CAT No. : CS-O-10894
Parent APIChlorpheniramine
CAS:1202-34-2
Mol. Weight:171.2 mol/g
Mol. Formula: C10H9N3
Therapeutic Category :Antihistamine
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Desloratadine N-Methyl Impurity
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(Impurities)
CAT No. : CS-O-07784
Parent APIDesloratadine
CAS:38092-89-6
Mol. Weight:324.85 mol/g
Mol. Formula: C20H21ClN2
Therapeutic Category :Antihistamine
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Rupatadine Fumarate
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(API Standards)
CAT No. : CS-O-30752
Parent APIRupatadine
CAS:182349-12-8
Mol. Weight:532.03 mol/g
Mol. Formula: C30H3ClN3O4
Therapeutic Category :Antihistamine
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Cetirizine 4-Chlorobenzophenone Impurity
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(Impurities)
CAT No. : CS-O-07596
Parent APICetirizine
CAS:134-85-0
Mol. Weight:216.66 mol/g
Mol. Formula: C13H9ClO
Therapeutic Category :Antihistamine
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Cetirizine D8
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(Stable Isotopes)
CAT No. : CS-O-03058
Parent APICetirizine
CAS:774596-22-4
Mol. Weight:396.94 mol/g
Mol. Formula: C21H17D8ClN2O3
Therapeutic Category :Antihistamine
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Cetirizine EP Impurity C
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(Impurities)
CAT No. : CS-O-07601
Parent APICetirizine
CAS:83881-59-8
Mol. Weight:461.81 mol/g
Mol. Formula: C21H27Cl3N2O3
Therapeutic Category :Antihistamine
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Cetirizine EP Impurity D
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(Impurities)
CAT No. : CS-O-07602
Parent APICetirizine
CAS:346451-15-8
Mol. Weight:487.46 mol/g
Mol. Formula: C30H28Cl2N2
Therapeutic Category :Antihistamine
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Cetirizine EP Impurity F
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(Impurities)
CAT No. : CS-O-07604
Parent APICetirizine
CAS:83881-54-3 (Hydrochloride) ;83881-53-2 (Free Base)
Mol. Weight:427.36 mol/g
Therapeutic Category :Antihistamine
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Cetirizine EP Impurity G Dihydrochloride
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(Impurities)
CAT No. : CS-O-07605
Parent APICetirizine
CAS:164726-80-1
Mol. Weight:403.77 mol/g
Mol. Formula: C19H25Cl3N2O
Therapeutic Category :Antihistamine
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Cetirizine USP Related Compound A
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(Impurities)
CAT No. : CS-O-07610
Parent APICetirizine
CAS:246870-46-2 (base)
Mol. Weight:489.86 mol/g
Mol. Formula: C23H31Cl3N2O3
Therapeutic Category :Antihistamine
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Levocetirizine
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(Impurities)
CAT No. : CS-O-05742
Parent APICetirizine
CAS:130018-77-8
Mol. Weight:388.89 mol/g
Mol. Formula: C21H2ClN2O3
Therapeutic Category :Antihistamine
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2-Amino-ethan-1,1,2,2-D4-ol
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(Stable Isotopes)
CAT No. : CS-O-20024
Parent APIEthanolamine
CAS:85047-08-1
Mol. Weight:65.1 mol/g
Therapeutic Category :Antihistamine
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Ebastine
Available Ready to ship
(API Standards)
CAT No. : CS-O-10904
Parent APIEbastine
CAS:90729-43-4
Mol. Weight:469.65 mol/g
Mol. Formula: C32H39NO2
Therapeutic Category :Antihistamine
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Diphenhydramine Hydrochloride
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(API Standards)
CAT No. : CS-O-10860
Parent APIDiphenhydramine
CAS:147-24-0
Mol. Weight:291.81 mol/g
Mol. Formula: C17H22ClNO
Therapeutic Category :Antihistamine
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Cetirizine EP impurity A
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(Impurities)
CAT No. : CS-O-31588
Parent APICetirizine
CAS:303-26-4
Mol. Weight:286.12 mol/g
Mol. Formula: C17H19ClN2
Therapeutic Category :Antihistamine
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Erythromycin
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(API Standards)
CAT No. : CS-O-11641
Parent APIErythromycin
CAS:114-07-8
Mol. Weight:733.93 mol/g
Mol. Formula: C37H67NO13
Therapeutic Category :Antihistamine
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8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
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(Drug Intermediates)
CAT No. : CS-T-50635
Parent APILoratadine
CAS:31251-41-9
Mol. Weight:243.69 mol/g
Mol. Formula: C14H10ClNO
Therapeutic Category :Antihistamine
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Dexchlorpheniramine maleate
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(API Standards)
CAT No. : CS-O-01285
Parent APIChlorpheniramine
CAS:2438-32-6
Mol. Weight:390.86 mol/g
Mol. Formula: C20H23ClN2O4
Therapeutic Category :Antihistamine
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Fexofenadine Hydrochloride
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(API Standards)
CAT No. : CS-O-00610
Parent APIFexofenadine
CAS:153439-40-8
Mol. Weight:538.12 mol/g
Mol. Formula: C32H39NO4.HCl
Therapeutic Category :Antihistamine
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Fexofenadine Hydrochloride EP Impurity A
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(Impurities)
CAT No. : CS-O-03405
Parent APIFexofenadine
CAS:76811-98-8
Mol. Weight:499.64 mol/g
Mol. Formula: C32H37NO4
Therapeutic Category :Antihistamine
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Erythromycin stearate
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(API Standards)
CAT No. : CS-O-01436
Parent APIErythromycin
CAS:643-22-1
Mol. Weight:1018.4 mol/g
Mol. Formula: C55H103NO15
Therapeutic Category :Antihistamine
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Erythromycin Thiocyanate
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(API Standards)
CAT No. : CS-O-00232
Parent APIErythromycin
CAS:7704-67-8
Mol. Weight:793.01 mol/g
Mol. Formula: C38H68N2O13S
Therapeutic Category :Antihistamine
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Loratadine N-Oxide
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(Metabolites)
CAT No. : CS-O-05927
Parent APILoratadine
CAS:165739-62-8
Mol. Weight:398.88 mol/g
Mol. Formula: C22H2ClN2O3
Therapeutic Category :Antihistamine
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N-Desmethyl Azelastine
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(Metabolites)
CAT No. : CS-O-06068
Parent APIAzelastine
CAS:47491-38-3
Mol. Weight:367.87 mol/g
Mol. Formula: C21H22ClN3O
Therapeutic Category :Antihistamine
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Diphenhydramine N-Oxide
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(Metabolites)
CAT No. : CS-O-11820
Parent APIDiphenhydramine
CAS:3922-74-5
Mol. Weight:271.35 mol/g
Mol. Formula: C17H21NO2
Therapeutic Category :Antihistamine
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Cetirizine 4-Chlorobenzhydrol Impurity
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(Impurities)
CAT No. : CS-O-07595
Parent APICetirizine
CAS:119-56-2
Mol. Weight:218.68 mol/g
Mol. Formula: C13H11ClO
Therapeutic Category :Antihistamine
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Cetirizine mono hydrochloride
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(API Standards)
CAT No. : CS-O-01088
Parent APICetirizine
CAS:NA
Mol. Weight:425.35 mol/g
Mol. Formula: C21H26Cl2N2O3
Therapeutic Category :Antihistamine
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Cetirizine Methyl Ester
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(Metabolites)
CAT No. : CS-O-06030
Parent APICetirizine
CAS:83881-46-3
Mol. Weight:402.91 mol/g
Mol. Formula: C22H29Cl3N2O3
Therapeutic Category :Antihistamine
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Cetirizine N-Oxide
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(Metabolites)
CAT No. : CS-O-05852
Parent APICetirizine
CAS:1076199-80-8
Mol. Weight:404.89 mol/g
Mol. Formula: C21H25ClN2O4
Therapeutic Category :Antihistamine
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Desloratadine EP Impurity A
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(Impurities)
CAT No. : CS-O-07778
Parent APIDesloratadine
CAS:298220-99-2
Mol. Weight:330.83 mol/g
Mol. Formula: C19H20ClFN2
Therapeutic Category :Antihistamine
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Piperazine D8
Available Ready to ship
(Deuterated Building Blocks)
CAT No. : CS-O-30499
Parent APIPiperazine
CAS:134628-42-5
Mol. Weight:167.11 mol/g
Mol. Formula: C4H4DCl2N2
Therapeutic Category :Antihistamine
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Fexofenadine Hydrochloride EP Impurity C
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(Impurities)
CAT No. : CS-O-10070
Parent APIFexofenadine
CAS:185066-37-9
Mol. Weight:494.11 mol/g
Mol. Formula: C31H4ClNO2
Therapeutic Category :Antihistamine
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Azelastine EP Impurity A
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(Impurities)
CAT No. : CS-M-43257
Parent APIAzelastine
CAS:613-94-5
Mol. Weight:136.15 mol/g
Mol. Formula: C7H8N2O
Therapeutic Category :Antihistamine
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Erythromycin D3
Available Ready to ship
(Stable Isotopes)
CAT No. : CS-O-14220
Parent APIErythromycin
CAS:959119-26-7
Mol. Weight:736.95 mol/g
Mol. Formula: C37H64D3NO13
Therapeutic Category :Antihistamine
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3-Hydroxy Desloratadine
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(Metabolites)
CAT No. : CS-O-05859
Parent APIDesloratadine
CAS:119410-08-1
Mol. Weight:326.82 mol/g
Mol. Formula: C19H1ClN2O
Therapeutic Category :Antihistamine
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3-Hydroxy Desloratadine D4 Hydrobromide
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(Stable Isotopes)
CAT No. : CS-O-02970
Parent APIDesloratadine
CAS:119410-08-1 (Unlabeled)(Freebase)
Mol. Weight:330.84 mol/g
Mol. Formula: C19H15DClN2OBr
Therapeutic Category :Antihistamine
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Anhydro Erythromycin A (Erythromycin Impurity D)
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(Impurities)
CAT No. : CS-O-10091
Parent APIErythromycin
CAS:23893-13-2
Mol. Weight:715.91 mol/g
Mol. Formula: C37H65NO12
Therapeutic Category :Antihistamine
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N-desmethyl Azelastine D4
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(Stable Isotopes)
CAT No. : CS-O-06428
Parent APIAzelastine
CAS:47491-38-3 (Unlabeled)
Mol. Weight:371.9 mol/g
Mol. Formula: C21H18D4ClN3OD4
Therapeutic Category :Antihistamine
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N-Demethyl Erythromycin A
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(Metabolites)
CAT No. : CS-T-51847
Parent APIErythromycin
CAS:992-62-1
Mol. Weight:719.9 mol/g
Mol. Formula: C36H65NO13
Therapeutic Category :Antihistamine
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Fexofenadine D6
Available Ready to ship
(Stable isotopes)
CAT No. : CS-O-02714
Parent APIFexofenadine
CAS:548783-71-7
Mol. Weight:507.69 mol/g
Mol. Formula: C32H33D6NO4
Therapeutic Category :Antihistamine
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Desloratadine
Available Ready to ship
(API Standards)
CAT No. : CS-O-00556
Parent APIDesloratadine
CAS:100643-71-8
Mol. Weight:310.8 mol/g
Mol. Formula: C19H1ClN2
Therapeutic Category :Antihistamine
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Erythromycin Ethylsuccinate
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(API Standards)
CAT No. : CS-O-00215
Parent APIErythromycin
CAS:41342-53-4
Mol. Weight:862.05 mol/g
Mol. Formula: C43H75NO16
Therapeutic Category :Antihistamine
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Loratadine
Available Ready to ship
(API Standards)
CAT No. : CS-O-01778
Parent APILoratadine
CAS:79794-75-5
Mol. Weight:382.88 mol/g
Mol. Formula: C22H23ClN2O2
Therapeutic Category :Antihistamine
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Acrivastine
Available Ready to ship
(API Standards)
CAT No. : CS-O-00802
Parent APIAcrivastine
CAS:87848-99-5
Mol. Weight:348.44 mol/g
Mol. Formula: C22H24N2O2
Therapeutic Category :Antihistamine
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Olopatadine N-Oxide
Available Ready to ship
(Metabolites)
CAT No. : CS-T-59939
Parent APIOlopatadine
CAS:173174-07-7
Mol. Weight:353.41 mol/g
Mol. Formula: C21H23NO4
Therapeutic Category :Antihistamine
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Levocetirizine Dihydrochloride
Available Ready to ship
(API Standards)
CAT No. : CS-O-01775
Parent APILevocetirizine
CAS:130018-87-0
Mol. Weight:461.81 mol/g
Mol. Formula: C21H27Cl3N2O3
Therapeutic Category :Antihistamine
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4-(4-Chloro-1-oxobutyl)-2,2-Dimethylphenyl acetic acid methyl ester (liquid)
Available Ready to ship
(Drug Intermediates)
CAT No. : CS-O-10640
Parent APIFexofenadine
CAS:76811-97-7
Mol. Weight:296.78 mol/g
Mol. Formula: C16H21ClO3
Therapeutic Category :Antihistamine
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Desloratadine N-Oxide
Available Ready to ship
(Impurities)
CAT No. : CS-T-52177
Parent APIDesloratadine
CAS:169253-26-3
Mol. Weight:326.82 mol/g
Mol. Formula: C19H19ClN2O
Therapeutic Category :Antihistamine
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5'-[(Desloratadine)methyl] Rupatadine
Available Ready to ship
(Impurities)
CAT No. : CS-T-52178
Parent APIRupatadine
CAS:1224515-72-3
Mol. Weight:724.76 mol/g
Mol. Formula: C45H43Cl2N5
Therapeutic Category :Antihistamine
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Hydroxyzine D4 Dihydrochloride
Available Ready to ship
(Stable Isotopes)
CAT No. : CS-O-06666
Parent APIHydroxyzine
CAS:1219805-91-0
Mol. Weight:451.85 mol/g
Mol. Formula: C21H25D4Cl3N2O2
Therapeutic Category :Antihistamine
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Hydroxyzine Dihydrochloride
Available Ready to ship
(API Standards)
CAT No. : CS-O-01619
Parent APIHydroxyzine
CAS:2192-20-3
Mol. Weight:447.83 mol/g
Mol. Formula: C21H29Cl3N2O2
Therapeutic Category :Antihistamine
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Hydroxyzine pamoate
Available Ready to ship
(API Standards)
CAT No. : CS-O-01638
Parent APIHydroxyzine
CAS:10246-75-0
Mol. Weight:763.27 mol/g
Mol. Formula: C44H43ClN2O8
Therapeutic Category :Antihistamine
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Erythromycin 13C D3
Available Ready to ship
(Stable Isotopes)
CAT No. : CS-O-06591
Parent APIErythromycin
CAS:NA
Mol. Weight:737.94 mol/g
Mol. Formula: C3613CH64D3NO13
Therapeutic Category :Antihistamine
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Chlorpheniramine Impurity A
Available Ready to ship
(Impurities)
CAT No. : CS-T-06902
Parent APIChlorpheniramine
CAS:1246816-57-8
Mol. Weight:293.83 mol/g
Mol. Formula: C16H24ClN3
Therapeutic Category :Antihistamine
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Azelastine D4 Hydrochloride
Available Ready to ship
(Stable Isotopes)
CAT No. : CS-O-03081
Parent APIAzelastine
CAS:1228258-95-4 (Free base)
Mol. Weight:422.38 mol/g
Therapeutic Category :Antihistamine
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Astemizole
Available Ready to ship
(API Standards)
CAT No. : CS-O-11602
Parent APIAstemizole
CAS:68844-77-9
Mol. Weight:458.57 mol/g
Mol. Formula: C28H31FN4O
Therapeutic Category :Antihistamine
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Chlorpheniramine D6 Maleate
Available Ready to ship
(Stable Isotopes)
CAT No. : CS-O-06482
Parent APIChlorpheniramine
CAS:1219806-45-7
Mol. Weight:396.9 mol/g
Mol. Formula: C20H23ClN2O4
Therapeutic Category :Antihistamine
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Chlorpheniramine maleate
Available Ready to ship
(API Standards)
CAT No. : CS-O-01160
Parent APIChlorpheniramine
CAS:113-92-8
Mol. Weight:390.86 mol/g
Mol. Formula: C20H23ClN2O4
Therapeutic Category :Antihistamine
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Chlorpheniramine N-Oxide
Available Ready to ship
(Metabolites)
CAT No. : CS-O-03621
Parent APIChlorpheniramine
CAS:142494-45-9
Mol. Weight:290.8 mol/g
Mol. Formula: C16H19ClN2O
Therapeutic Category :Antihistamine
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Acrivastine D7
Available Ready to ship
(Stable Isotopes)
CAT No. : CS-CX-00054
Parent APIAcrivastine
CAS:172165-56-9
Mol. Weight:355.48 mol/g
Mol. Formula: C22H17D7N2O2
Therapeutic Category :Antihistamine
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Erythromycin Propionate
Available Ready to ship
(API Standards)
CAT No. : CS-AH-00118
Parent APIErythromycin
CAS:134-36-1
Mol. Weight:790 mol/g
Mol. Formula: C40H71NO14
Therapeutic Category :Antihistamine
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Erythromycin EP Impurity E
Available Ready to ship
(Impurities)
CAT No. : CS-T-54164
Parent APIErythromycin
CAS:33396-29-1
Mol. Weight:715.92 mol/g
Mol. Formula: C37H65NO12
Therapeutic Category :Antihistamine
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Erythromycin Ethyl Succinate D6
Available Ready to ship
(Stable Isotopes)
CAT No. : CS-O-13302
Parent APIErythromycin
CAS:1264-62-6 (Unlabeled)
Mol. Weight:868.1 mol/g
Mol. Formula: C43H69D6NO16
Therapeutic Category :Antihistamine
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Erythromycin Estolate
Available Ready to ship
(Drug Intermediates)
CAT No. : CS-T-54168
Parent APIErythromycin
CAS:3521-62-8
Mol. Weight:1056.39 mol/g
Mol. Formula: C52H97NO18S
Therapeutic Category :Antihistamine
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Desmethyl Chlorpheniramine Maleate Salt
Available Ready to ship
(Metabolites)
CAT No. : CS-T-52212
Parent APIChlorpheniramine
CAS:22630-25-7
Mol. Weight:376.83 mol/g
Mol. Formula: C19H21ClN2O4
Therapeutic Category :Antihistamine
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Fexofenadine-d10 Hydrochloride
Available Ready to ship
(Stable isotopes)
CAT No. : CS-T-54704
Parent APIFexofenadine
CAS:1215821-44-5
Mol. Weight:548.18 mol/g
Mol. Formula: C32H30D10ClNO4
Therapeutic Category :Antihistamine
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N-Methylpiperazine D8 dihydrochloride
Available Ready to ship
(Stable Isotopes)
CAT No. : CS-O-16355
Parent APIPiperazine
CAS:917358-65-7 (Freebase)
Mol. Weight:181.13 mol/g
Therapeutic Category :Antihistamine
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Cyproheptadine
Available Ready to ship
(API Standards)
CAT No. : CS-O-30548
Parent APICyproheptadine
CAS:129-03-3
Mol. Weight:287.39 mol/g
Mol. Formula: C21H21N
Therapeutic Category :Antihistamine
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Diphenhydramine Impurity A
Available Ready to ship
(Impurities)
CAT No. : CS-M-53270
Parent APIDiphenhydramine
CAS:53499-40-4
Mol. Weight:277.79 mol/g
Mol. Formula: C16H20ClNO
Therapeutic Category :Antihistamine
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Erythromycin Impurity G
Available Ready to ship
(Impurities)
CAT No. : CS-CM-00085
Parent APIErythromycin
CAS:992-65-4
Mol. Weight:749.92 mol/g
Mol. Formula: C37H67NO14
Therapeutic Category :Antihistamine
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Bilastine
Available Ready to ship
(API Standards)
CAT No. : CS-O-06184
Parent APIBilastine
CAS:202189-78-4
Mol. Weight:463.61 mol/g
Mol. Formula: C28H37N3O3
Therapeutic Category :Antihistamine
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Rupatadine D6 Tartrate
Available Ready to ship
(Stable Isotopes)
CAT No. : CS-O-06947
Parent APIRupatadine
CAS:913746-30-2 (Unlabeled)
Mol. Weight:572.09 mol/g
Therapeutic Category :Antihistamine
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Pheniramine Maleate
Available Ready to ship
(API Standards)
CAT No. : CS-O-11711
Parent APIPheniramine
CAS:132-20-7
Mol. Weight:356.42 mol/g
Mol. Formula: C20H24N2O4
Therapeutic Category :Antihistamine
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Loratadine D4
Available Ready to ship
(Stable Isotopes)
CAT No. : CS-O-31235
Parent APILoratadine
CAS:381727-27-1
Mol. Weight:386.91 mol/g
Mol. Formula: C22H19D4ClN2O2
Therapeutic Category :Antihistamine
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Loratadine EP Impurity A
Available Ready to ship
(Impurities)
CAT No. : CS-CB-00047
Parent APILoratadine
CAS:133284-74-9
Mol. Weight:400.9 mol/g
Mol. Formula: C22H25ClN2O3
Therapeutic Category :Antihistamine
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Bilastine D6
Available Ready to ship
(Stable Isotopes)
CAT No. : CS-O-15080
Parent APIBilastine
CAS:202189-78-4 (Unlabeled)
Mol. Weight:469.65 mol/g
Mol. Formula: C28H31D6N3O3
Therapeutic Category :Antihistamine
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Cetirizine Impurity E Sodium Salt
Available Ready to ship
(Impurities)
CAT No. : CS-P-07456
Parent APICetirizine
CAS:682323-77-9 (free base)
Mol. Weight:454.92 mol/g
Mol. Formula: C23H28ClN2O4Na
Therapeutic Category :Antihistamine
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Triprolidine Hydrochloride
Available Ready to ship
(API Standards)
CAT No. : CS-O-11765
Parent APITriprolidine
CAS:550-70-9
Mol. Weight:314.85 mol/g
Mol. Formula: C19H23ClN2
Therapeutic Category :Antihistamine
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Olopatadine hydrochloride
Available Ready to ship
(Drug Intermediates)
CAT No. : CS-O-31184
Parent APIOlopatadine
CAS:140462-76-6
Mol. Weight:373.87 mol/g
Mol. Formula: C21H24ClNO3
Therapeutic Category :Antihistamine
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11-Hydroxy-N-methyl Dihydro Loratadine
Available Ready to ship
(Impurities)
CAT No. : CS-T-55961
Parent APILoratadine
CAS:38089-93-9
Mol. Weight:342.86 mol/g
Mol. Formula: C20H23ClN2O
Therapeutic Category :Antihistamine
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Terfenadine
Available Ready to ship
(API Standards)
CAT No. : CS-O-30790
Parent APITerfenadine
CAS:50679-08-8
Mol. Weight:471.67 mol/g
Mol. Formula: C32H41NO2
Therapeutic Category :Antihistamine
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Hydroxyzine Hydrochloride EP Impurity B
Available Ready to ship
(Impurities)
CAT No. : CS-T-14667
Parent APIHydroxyzine
CAS:13073-96-6
Mol. Weight:413.38 mol/g
Mol. Formula: C21H30Cl2N2O2
Therapeutic Category :Antihistamine
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N-Desmethyl Olopatadine
Available Ready to ship
(Metabolites)
CAT No. : CS-T-16390
Parent APIOlopatadine
CAS:113835-92-0
Mol. Weight:323.39 mol/g
Mol. Formula: C20H21NO3
Therapeutic Category :Antihistamine
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Olopatadine
Available Ready to ship
(API Standards)
CAT No. : CS-O-02025
Parent APIOlopatadine
CAS:113806-05-6 (Unlabeled)
Mol. Weight:337.41 mol/g
Mol. Formula: C21H23NO3
Therapeutic Category :Antihistamine
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Epinastine Hydrochloride
Available Ready to ship
(API Standards)
CAT No. : CS-O-30902
Parent APIEpinastine
CAS:108929-04-0
Mol. Weight:285.77 mol/g
Mol. Formula: C16H16ClN3
Therapeutic Category :Antihistamine
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Pheniramine N-Oxide Dihydrochloride
Available Ready to ship
(Metabolites)
CAT No. : CS-O-11138
Parent APIPheniramine
CAS:12656-98-3 (Free base)
Mol. Weight:329.26 mol/g
Mol. Formula: C16H22Cl2N2O
Therapeutic Category :Antihistamine
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Epinastine
Available Ready to ship
(API Standards)
CAT No. : CS-O-15503
Parent APIEpinastine
CAS:80012-43-7
Mol. Weight:249.31 mol/g
Mol. Formula: C16H15N3
Therapeutic Category :Antihistamine
Availability: IN-Stock
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Isoxepac
Available Ready to ship
(API Standards)
CAT No. : CS-O-31382
Parent APIOlopatadine
CAS:55453-87-7
Mol. Weight:268.26 mol/g
Mol. Formula: C16H12O4
Therapeutic Category :Antihistamine
Availability: IN-Stock
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Azelastine Hydrochloride
Available Ready to ship
(API Standards)
CAT No. : CS-O-10236
Parent APIAzelastine
CAS:79307-93-0
Mol. Weight:418.36 mol/g
Mol. Formula: C22H25Cl2N3O
Therapeutic Category :Antihistamine
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Cyproheptadine hydrochloride
Available Ready to ship
(API Standards)
CAT No. : CS-O-15509
Parent APICyproheptadine
CAS:969-33-5
Mol. Weight:323.86 mol/g
Mol. Formula: C21H22ClN
Therapeutic Category :Antihistamine
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1-(3-Chlorophenyl)piperazine
Available Ready to ship
(Metabolites)
CAT No. : CS-T-12416
Parent APIPiperazine
CAS:6640-24-0
Mol. Weight:196.68 mol/g
Mol. Formula: C10H13ClN2
Therapeutic Category :Antihistamine
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Cetirizine EP impurity B
Available Ready to ship
(Impurities)
CAT No. : CS-T-14604
Parent APICetirizine
CAS:113740-61-7
Mol. Weight:344.84 mol/g
Mol. Formula: C19H21ClN2O2
Therapeutic Category :Antihistamine
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Desloratadine D4
Available Ready to ship
(Stable Isotopes)
CAT No. : CS-O-10056
Parent APIDesloratadine
CAS:381727-29-3
Mol. Weight:314.85 mol/g
Mol. Formula: C19H15D4ClN2
Therapeutic Category :Antihistamine
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Desloratadine N-Formyl Impurity
Available Ready to ship
(Impurities)
CAT No. : CS-O-07782
Parent APIDesloratadine
CAS:117810-61-4
Mol. Weight:338.83 mol/g
Mol. Formula: C20H19ClN2O
Therapeutic Category :Antihistamine
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Rupatadine Impurity B
Available Ready to ship
(Impurities)
CAT No. : CS-O-32665
Parent APIRupatadine
CAS:156523-04-5
Mol. Weight:429.95 mol/g
Mol. Formula: C26H24ClN3O
Therapeutic Category :Antihistamine
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Loratadine D5
Available Ready to ship
(Stable Isotopes)
CAT No. : CS-T-57296
Parent APILoratadine
CAS:1398065-63-8
Mol. Weight:387.91 mol/g
Mol. Formula: C22H18D5ClN2O2
Therapeutic Category :Antihistamine
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Didesmethyl Chlorpheniramine
Available Ready to ship
(Metabolites)
CAT No. : CS-O-33808
Parent APIChlorpheniramine
CAS:20619-13-0
Mol. Weight:246.74 mol/g
Mol. Formula: C14H15ClN2
Therapeutic Category :Antihistamine
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3'-[[(2-Methoxyethoxy)methyl Erythromycin A Oxime Chloride
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-57688
Parent APIErythromycin
CAS:151750-47-9
Mol. Weight:873.51 mol/g
Mol. Formula: C41H77ClN2O15
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Phenindamine Hydrogen Tartrate
Available 1 Week
(Metabolites)
CAT No. : CS-B-00225
Parent APIPhenindamine
CAS:82-88-2
Mol. Weight:411.45 mol/g
Mol. Formula: C23H25NO6
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine N-Oxide
Available 1 Week
(Metabolites)
CAT No. : CS-T-48466
Parent APIAzelastine
CAS:640279-88-5
Mol. Weight:397.9 mol/g
Mol. Formula: C22H24ClN3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Amide Dihydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-T-10980
Parent APICetirizine
CAS:200707-85-3
Mol. Weight:460.82 mol/g
Mol. Formula: C21H28Cl3N3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin Impurity L
Available 1 Week
(Impurities)
CAT No. : CS-P-08065
Parent APIErythromycin
CAS:127955-44-6
Mol. Weight:747.91 mol/g
Mol. Formula: C37H65NO14
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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13-desethyl, 13-propyl-Erythromycin A
Available 1 Week
(Impurities)
CAT No. : CS-O-32950
Parent APIErythromycin
CAS:288584-78-1
Mol. Weight:747.95 mol/g
Mol. Formula: C38H69NO13
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin B (E1310000)
Available 1 Week
(EP Standards)
CAT No. : CS-EG-00564
Parent APIErythromycin
CAS:527-75-3
Mol. Weight:717.93 mol/g
Mol. Formula: C37H67NO12
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin C (E1320000)
Available 1 Week
(EP Standards)
CAT No. : CS-EG-00565
Parent APIErythromycin
CAS:1675-02-1
Mol. Weight:719.9 mol/g
Mol. Formula: C36H65NO13
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Fexofenadine Hydrochloride (1270377)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-02390
Parent APIFexofenadine
CAS:153439-40-8
Mol. Weight:538.12 mol/g
Mol. Formula: C32H40ClNO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Loratadine (1370270)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-02391
Parent APILoratadine
CAS:79794-75-5
Mol. Weight:382.88 mol/g
Mol. Formula: C22H23ClN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin Ethylsuccinate (1245008)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-02393
Parent APIErythromycin
CAS:1264-62-6
Mol. Weight:862.05 mol/g
Mol. Formula: C43H75NO16
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Diphenhydramine Hydrochloride (1218005)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-02396
Parent APIDiphenhydramine
CAS:147-24-0
Mol. Weight:291.82 mol/g
Mol. Formula: C17H22ClNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin A (Y0001912)
Available 1 Week
(EP Standards)
CAT No. : CS-EG-00576
Parent APIErythromycin
CAS:114-07-8
Mol. Weight:733.93 mol/g
Mol. Formula: C37H67NO13
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin for impurity M identification (Y0001846)
Available 1 Week
(EP Standards)
CAT No. : CS-EG-00580
Parent APIErythromycin
CAS:114-07-8
Mol. Weight:733.93 mol/g
Mol. Formula: C37H67NO13
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Pheniramine-d6 Maleate
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-93273
Parent APIPheniramine
CAS:132-20-7 (unlabelled)
Mol. Weight:362.45 mol/g
Mol. Formula: C20H18D6N2O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-Demethyl Erythromycin A D3
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-33553
Parent APIErythromycin
CAS:992-62-1 (Unlabeled)
Mol. Weight:722.92 mol/g
Mol. Formula: C36H62D3NO13
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desloratadine Dehydro 11-Oxo Impurity
Available 1 Week
(Impurities)
CAT No. : CS-EO-00141
Parent APIDesloratadine
CAS:117811-16-2
Mol. Weight:241.67 mol/g
Mol. Formula: C14H8ClNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine EP Impurity D
Available 1 Week
(Impurities)
CAT No. : CS-T-12336
Parent APIAzelastine
CAS:53242-88-9
Mol. Weight:270.71 mol/g
Mol. Formula: C15H11ClN2O
Therapeutic Category :Antihistamine
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Ebastine EP Impurity A
Available 1 Week
(Impurities)
CAT No. : CS-T-48645
Parent APIEbastine
CAS:91-01-0
Mol. Weight:184.23 mol/g
Mol. Formula: C13H12O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Dexchlorpheniramine Maleate EP Impurity B
Available 1 Week
(Impurities)
CAT No. : CS-P-06936
Parent APIChlorpheniramine
CAS:2188-09-3
Mol. Weight:274.79 mol/g
Mol. Formula: C16H19ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azaerythromycin A(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00207
Parent APIErythromycin
CAS:76801-85-9
Mol. Weight:734.96 mol/g
Mol. Formula: C37H70N2O12
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azatadine Maleate(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00208
Parent APIAzatadine
CAS:3978-86-7
Mol. Weight:522.55 mol/g
Mol. Formula: C28H30N2O8
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine Related Compound B(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00219
Parent APIAzelastine
CAS:117078-69-0
Mol. Weight:283.8 mol/g
Mol. Formula: C14H22ClN3O
Therapeutic Category :Antihistamine
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Azelastine Related Compound D(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00220
Parent APIAzelastine
CAS:53242-88-9
Mol. Weight:270.71 mol/g
Mol. Formula: C15H11ClN2O
Therapeutic Category :Antihistamine
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Azelastine Related Compound E(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00221
Parent APIAzelastine
CAS:20526-97-0
Mol. Weight:256.68 mol/g
Mol. Formula: C15H9ClO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Carbinoxamine Maleate(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00378
Parent APICarbinoxamine
CAS:3505-38-2
Mol. Weight:406.86 mol/g
Mol. Formula: C20H23ClN2O5
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Carbinoxamine Related Compound A(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00379
Parent APICarbinoxamine
CAS:6318-51-0
Mol. Weight:217.65 mol/g
Mol. Formula: C12H8ClNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Carbinoxamine Related Compound B(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00380
Parent APICarbinoxamine
CAS:27652-89-7
Mol. Weight:219.67 mol/g
Mol. Formula: C12H10ClNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Related Compound A(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00405
Parent APICetirizine
CAS:246870-46-2
Mol. Weight:489.86 mol/g
Mol. Formula: C23H31Cl3N2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Related Compound B(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00406
Parent APICetirizine
CAS:108983-83-1
Mol. Weight:369.33 mol/g
Mol. Formula: C19H26Cl2N2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Related Compound C(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00407
Parent APICetirizine
CAS:83881-37-2
Mol. Weight:387.9 mol/g
Mol. Formula: C21H26ClN3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Related Compound G(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00408
Parent APICetirizine
CAS:164726-80-1
Mol. Weight:403.77 mol/g
Mol. Formula: C19H25Cl3N2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Chlorpheniramine Related Compound B(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00477
Parent APIChlorpheniramine
CAS:1202-34-2
Mol. Weight:171.2 mol/g
Mol. Formula: C10H9N3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Chlorpheniramine Related Compound C(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00478
Parent APIChlorpheniramine
CAS:22630-25-7
Mol. Weight:376.83 mol/g
Mol. Formula: C19H21ClN2O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desloratadine Related Compound A(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00606
Parent APIDesloratadine
CAS:117796-50-6
Mol. Weight:355.27 mol/g
Mol. Formula: C19H19BrN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desloratadine Related Compound F(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00607
Parent APIDesloratadine
CAS:117810-61-4
Mol. Weight:338.83 mol/g
Mol. Formula: C20H19ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desloratadine Related Compound B(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00608
Parent APIDesloratadine
CAS:183198-49-4 (free base)
Mol. Weight:310.83 mol/g
Mol. Formula: C19H19ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Diphenhydramine Related Compound A(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00652
Parent APIDiphenhydramine
CAS:53499-40-4
Mol. Weight:277.79 mol/g
Mol. Formula: C16H20ClNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Diphenhydramine Related Compound B(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00653
Parent APIDiphenhydramine
CAS:19574-66-4
Mol. Weight:258.31 mol/g
Mol. Formula: C16H18O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin Related Compound N(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00795
Parent APIErythromycin
CAS:992-62-1
Mol. Weight:719.9 mol/g
Mol. Formula: C36H65NO13
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin Gluceptate(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00796
Parent APIErythromycin
CAS:23067-13-2
Mol. Weight:960.11 mol/g
Mol. Formula: C44H81NO21
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Fexofenadine Related Compound A(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00865
Parent APIFexofenadine
CAS:76811-98-8
Mol. Weight:499.64 mol/g
Mol. Formula: C32H37NO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Fexofenadine Related Compound B(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00866
Parent APIFexofenadine
CAS:NA
Mol. Weight:556.13 mol/g
Mol. Formula: C32H42ClNO5
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Fexofenadine Related Compound C(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-00868
Parent APIFexofenadine
CAS:185066-37-9 (free base)
Mol. Weight:494.11 mol/g
Mol. Formula: C31H40ClNO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Hydroxyzine Related Compound A(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-01062
Parent APIHydroxyzine
CAS:303-26-4
Mol. Weight:286.12 mol/g
Mol. Formula: C17H19ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Levocabastine Hydrochloride(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-01179
Parent APILevocabastine
CAS:79547-78-7
Mol. Weight:456.99 mol/g
Mol. Formula: C26H30ClFN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Levocabastine Related Compound A(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-01180
Parent APILevocabastine
CAS:80139-91-9
Mol. Weight:442.95 mol/g
Mol. Formula: C25H28ClFN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Levocetirizine Amide(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-01183
Parent APICetirizine
CAS:909779-33-5
Mol. Weight:387.9 mol/g
Mol. Formula: C21H26ClN3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Loratadine Related Compound C(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-01206
Parent APILoratadine
CAS:31251-41-9
Mol. Weight:243.69 mol/g
Mol. Formula: C14H10ClNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Loratadine Related Compound A(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-01211
Parent APILoratadine
CAS:100643-71-8
Mol. Weight:310.8 mol/g
Mol. Formula: C19H1ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Loratadine Related Compound B(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-01212
Parent APILoratadine
CAS:38092-89-6
Mol. Weight:324.85 mol/g
Mol. Formula: C20H21ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Olopatadine Related Compound B(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-01515
Parent APIOlopatadine
CAS:173174-07-7
Mol. Weight:353.41 mol/g
Mol. Formula: C21H23NO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Olopatadine Related Compound C(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-01516
Parent APIOlopatadine
CAS:55453-87-7
Mol. Weight:268.26 mol/g
Mol. Formula: C16H12O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Phenyltoloxamine Related Compound A(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-01659
Parent APIPhenyltoloxamine
CAS:75859-72-2
Mol. Weight:277.79 mol/g
Mol. Formula: C16H20ClNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Triprolidine Hydrochloride Z-Isomer(Secondary Standards traceble to USP)
Available 1 Week
(Secondary Standards traceble to USP)
CAT No. : CS-ER-02172
Parent APITriprolidine
CAS:51657-91-1
Mol. Weight:314.85 mol/g
Mol. Formula: C19H23ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine impurity B(Secondary Standards traceble to EP)
Available 1 Week
(Secondary Standards traceble to EP)
CAT No. : CS-ER-02427
Parent APIAzelastine
CAS:110406-94-5
Mol. Weight:247.33 mol/g
Mol. Formula: C14H21N3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine impurity D(Secondary Standards traceble to EP)
Available 1 Week
(Secondary Standards traceble to EP)
CAT No. : CS-ER-02428
Parent APIAzelastine
CAS:53242-88-9
Mol. Weight:270.71 mol/g
Mol. Formula: C15H11ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine impurity E(Secondary Standards traceble to EP)
Available 1 Week
(Secondary Standards traceble to EP)
CAT No. : CS-ER-02429
Parent APIAzelastine
CAS:20526-97-0
Mol. Weight:256.68 mol/g
Mol. Formula: C15H9ClO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine impurity A(Secondary Standards traceble to EP)
Available 1 Week
(Secondary Standards traceble to EP)
CAT No. : CS-ER-02592
Parent APICetirizine
CAS:303-26-4
Mol. Weight:286.12 mol/g
Mol. Formula: C17H19ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine for peak identification(Secondary Standards traceble to EP)
Available 1 Week
(Secondary Standards traceble to EP)
CAT No. : CS-ER-02593
Parent APICetirizine
CAS:83881-52-1
Mol. Weight:461.81 mol/g
Mol. Formula: C21H27Cl3N2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cyproheptadine impurity C(Secondary Standards traceble to EP)
Available 1 Week
(Secondary Standards traceble to EP)
CAT No. : CS-ER-02702
Parent APICyproheptadine
CAS:4046-24-6
Mol. Weight:305.41 mol/g
Mol. Formula: C21H23NO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-Demethylerythromycin A(Secondary Standards traceble to EP)
Available 1 Week
(Secondary Standards traceble to EP)
CAT No. : CS-ER-02714
Parent APIErythromycin
CAS:992-62-1
Mol. Weight:719.9 mol/g
Mol. Formula: C36H65NO13
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desloratadine for system suitability(Secondary Standards traceble to EP)
Available 1 Week
(Secondary Standards traceble to EP)
CAT No. : CS-ER-02724
Parent APIDesloratadine
CAS:100643-71-8
Mol. Weight:310.8 mol/g
Mol. Formula: C19H1ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Glycerol Ester
Available 1 Week
(Impurities)
CAT No. : CS-T-10966
Parent APICetirizine
CAS:1243652-36-9
Mol. Weight:462.97 mol/g
Mol. Formula: C24H31ClN2O5
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Amide
Available 1 Week
(Impurities)
CAT No. : CS-T-10979
Parent APICetirizine
CAS:83881-37-2
Mol. Weight:387.9 mol/g
Mol. Formula: C21H26ClN3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine 13C,d3 N-Oxide
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-48467
Parent APIAzelastine
CAS:1346602-76-3
Mol. Weight:401.91 mol/g
Mol. Formula: C21[13C]H21D3ClN3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Triprolidine Hydrochloride Monohydrate
Available 1 Week
(API Standards)
CAT No. : CS-O-32284
Parent APITriprolidine
CAS:6138-79-0
Mol. Weight:314.85 mol/g
Mol. Formula: C19H23ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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3-Methoxy-N-methyldesloratadine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-57736
Parent APIDesloratadine
CAS:165739-72-0
Mol. Weight:354.87 mol/g
Mol. Formula: C21H23ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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3-Methoxy-N-methyldesloratadine D4
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-57737
Parent APIDesloratadine
CAS:1189445-21-3
Mol. Weight:358.9 mol/g
Mol. Formula: C21H19D4ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(R)-1-[(4-Chlorophenyl)phenylmethyl]piperazine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-12409
Parent APICetirizine
CAS:300543-56-0
Mol. Weight:286.8 mol/g
Mol. Formula: C17H19ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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1-(2-Chlorophenyl)piperazine
Available 1 Week
(Impurities)
CAT No. : CS-T-12368
Parent APIPiperazine
CAS:39512-50-0
Mol. Weight:196.68 mol/g
Mol. Formula: C10H13ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(S)-(+)-1-[(4-Chlorophenyl)phenylmethyl]piperazine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-12411
Parent APIPiperazine
CAS:439858-21-6
Mol. Weight:286.8 mol/g
Mol. Formula: C17H19ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cyproheptadine Impurity 1
Available 1 Week
(Impurities)
CAT No. : CS-P-00916
Parent APICyproheptadine
CAS:54191-04-7
Mol. Weight:303.41 mol/g
Mol. Formula: C21H21NO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Ebastine-D5 Fumarate
Available 1 Week
(Stable Isotopes)
CAT No. : CS-P-00967
Parent APIEbastine
CAS:1316815-02-7
Mol. Weight:590.77 mol/g
Mol. Formula: C36H38D5NO6
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Bilastine Propanamide Impurity
Available 1 Week
(Impurities)
CAT No. : CS-O-14022
Parent APIBilastine
CAS:1638785-18-8
Mol. Weight:506.68 mol/g
Mol. Formula: C30H42N4O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Bilastine Boc Impurity
Available 1 Week
(Impurities)
CAT No. : CS-O-14023
Parent APIBilastine
CAS:1181267-36-6
Mol. Weight:373.49 mol/g
Mol. Formula: C21H31N3O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Bilastine Hydroxy Impurity
Available 1 Week
(Impurities)
CAT No. : CS-O-14024
Parent APIBilastine
CAS:1638785-23-5
Mol. Weight:479.61 mol/g
Mol. Formula: C28H37N3O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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1-BOC-4-(2-Hydroxyethyl-d4)piperazine
Available 1 Week
(Stable Isotopes)
CAT No. : CS-C-00168
Parent APIPiperazine
CAS:1219802-10-4
Mol. Weight:234.33 mol/g
Mol. Formula: C11H18D4N2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-(Benzoyl)piperazine-2,2,3,3,5,5,6,6 D8
Available 1 Week
(Stable Isotopes)
CAT No. : CS-C-00191
Parent APIPiperazine
CAS:1219805-49-8
Mol. Weight:198.29 mol/g
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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3(2-(3-Chloro phenyl) ethyl) cyano pyridine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-DO-00005
Parent APILoratadine
CAS:31255-55-7
Mol. Weight:242.71 mol/g
Mol. Formula: C14H11ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(R)-De(carboxymethoxy) Cetirizine Acetic Acid Hydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-T-14603
Parent APICetirizine
CAS:942132-30-1
Mol. Weight:381.3 mol/g
Mol. Formula: C19H22Cl2N2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Alcaftadine N-oxide
Available 1 Week
(Metabolites)
CAT No. : CS-O-10990
Parent APIAlcaftadine
CAS:952649-75-1
Mol. Weight:323.39 mol/g
Mol. Formula: C19H21N3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Diphenhydramine Impurity B
Available 1 Week
(Impurities)
CAT No. : CS-CY-00018
Parent APIDiphenhydramine
CAS:4024-34-4
Mol. Weight:305.85 mol/g
Mol. Formula: C18H23NOHCl
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Tripelennamine Hydrochloride
Available 1 Week
(API Standards)
CAT No. : CS-T-45791
Parent APITripelennamine
CAS:154-69-8
Mol. Weight:291.82 mol/g
Mol. Formula: C16H22ClN3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(S)-Chlorpheniramine-D6 maleate salt
Available 1 Week
(Stable Isotopes)
CAT No. : CS-CX-00571
Parent APIChlorpheniramine
CAS:2438-32-6 (Unlabeled)
Mol. Weight:396.9 mol/g
Mol. Formula: C20H17D6ClN₂O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(R)-Chlorpheniramine-D6 maleate salt
Available 1 Week
(Stable Isotopes)
CAT No. : CS-CX-00572
Parent APIChlorpheniramine
CAS:23095-76-3 (Unlabeled)
Mol. Weight:396.9 mol/g
Mol. Formula: C20H17D6ClN2O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Terfenadine alcohol metabolite
Available 1 Week
(Metabolites)
CAT No. : CS-BX-00219
Parent APITerfenadine
CAS:76815-56-0
Mol. Weight:487.67 mol/g
Mol. Formula: C32H41NO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine EP Impurity E
Available 1 Week
(Impurities)
CAT No. : CS-CB-00053
Parent APICetirizine
CAS:682323-77-9
Mol. Weight:432.94 mol/g
Mol. Formula: C23H29ClN2O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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α-Hydroxy Olopatadine Hydrochloide
Available 1 Week
(Impurities)
CAT No. : CS-T-56275
Parent APIOlopatadine
CAS:1331668-21-3
Mol. Weight:389.87 mol/g
Mol. Formula: C21H24ClNO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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α-Hydroxy Olopatadine
Available 1 Week
(Impurities)
CAT No. : CS-T-56276
Parent APIOlopatadine
CAS:1331822-32-2
Mol. Weight:353.41 mol/g
Mol. Formula: C21H23NO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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5-Hydroxyindole-3-acetic Acid D4
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-56461
Parent APIChlorpheniramine
CAS:1219802-93-3
Mol. Weight:196.21 mol/g
Mol. Formula: C10H4D5NO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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5-Hydroxyindole-3-acetic Acid D2
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-56462
Parent APIChlorpheniramine
CAS:56209-31-5
Mol. Weight:193.2 mol/g
Mol. Formula: C10H7D2NO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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5-Hydroxyindole-3-acetic Acid D5
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-56463
Parent APIChlorpheniramine
CAS:81587-11-3
Mol. Weight:196.21 mol/g
Mol. Formula: C10H4D5NO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Iso Desloratadine Hydrochloride
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-56802
Parent APIDesloratadine
CAS:432543-89-0
Mol. Weight:347.28 mol/g
Mol. Formula: C19H20Cl2N2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Bilastine Chloro Impurity
Available 1 Week
(Impurities)
CAT No. : CS-O-14021
Parent APIBilastine
CAS:1638785-17-7
Mol. Weight:269.77 mol/g
Mol. Formula: C14H20ClNO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Bilastine N-oxide Impurity
Available 1 Week
(Impurities)
CAT No. : CS-O-14025
Parent APIBilastine
CAS:2069238-47-5
Mol. Weight:479.61 mol/g
Mol. Formula: C28H37N3O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(R)-Azelastine Hydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-T-48463
Parent APIAzelastine
CAS:153408-28-7
Mol. Weight:418.36 mol/g
Mol. Formula: C22H25Cl2N3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(S)-Azelastine Hydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-T-48464
Parent APIAzelastine
CAS:153408-27-6
Mol. Weight:418.36 mol/g
Mol. Formula: C22H25Cl2N3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Triprolidine D4
Available 1 Week
(Stable Isotopes)
CAT No. : CS-P-00207
Parent APITriprolidine
CAS:486-12-4 (Unlabeled)
Mol. Weight:282.42 mol/g
Mol. Formula: C19H18N2D4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Diphenhydramine-N-oxide hydrochloride
Available 1 Week
(Metabolites)
CAT No. : CS-DH-00007
Parent APIDiphenhydramine
CAS:13168-00-8
Mol. Weight:307.82 mol/g
Mol. Formula: C17H22ClNO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Triprolidine D8
Available 1 Week
(Stable Isotopes)
CAT No. : CS-P-00208
Parent APITriprolidine
CAS:486-12-4 (Unlabeled)
Mol. Weight:286.45 mol/g
Mol. Formula: C19H14N2D8
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Buclizine
Available 1 Week
(API Standards)
CAT No. : CS-P-00366
Parent APIBuclizine
CAS: 82-95-1
Mol. Weight:433.03 mol/g
Mol. Formula: C28H33ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Emedastine Difumarate
Available 1 Week
(API Standards)
CAT No. : CS-P-00414
Parent APIEmedastine
CAS:87233-62-3
Mol. Weight:534.56 mol/g
Mol. Formula: C25H34N4O9
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine 13C,d3
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-48465
Parent APIAzelastine
CAS:1217019-80-1
Mol. Weight:385.91 mol/g
Mol. Formula: C21[13C]H21D3ClN3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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tert-Amyl Ebastine
Available 1 Week
(Impurities)
CAT No. : CS-O-15217
Parent APIEbastine
CAS:1312211-93-0
Mol. Weight:483.68 mol/g
Mol. Formula: C33H41NO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin Impurity E
Available 1 Week
(Impurities)
CAT No. : CS-P-07834
Parent APIErythromycin
CAS:857839-61-3
Mol. Weight:715.92 mol/g
Mol. Formula: C37H65NO12
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-Demethyl-N-Propanoyl Erythromycin
Available 1 Week
(Impurities)
CAT No. : CS-P-07835
Parent APIErythromycin
CAS:147702-49-6
Mol. Weight:775.97 mol/g
Mol. Formula: C39H69NO14
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Emedastine EP Impurity C
Available 1 Week
(Impurities)
CAT No. : CS-P-07867
Parent APIEmedastine
CAS:122423-32-9
Mol. Weight:274.37 mol/g
Mol. Formula: C15H22N4O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Epinastine Impurity 1 Hydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-P-07870
Parent APIEpinastine
CAS:141342-71-4 (free base)
Mol. Weight:305.76 mol/g
Mol. Formula: C15H16ClN3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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9-Oxo Epinastine Hydrobromide
Available 1 Week
(Impurities)
CAT No. : CS-P-07871
Parent APIEpinastine
CAS:745761-19-7
Mol. Weight:344.21 mol/g
Mol. Formula: C16H14BrN3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Epinastine Related Compound A
Available 1 Week
(Impurities)
CAT No. : CS-P-07872
Parent APIEpinastine
CAS:41218-84-2
Mol. Weight:224.31 mol/g
Mol. Formula: C15H16N2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Epinastine EP Impurity A (Dehydro Epinastine)
Available 1 Week
(Impurities)
CAT No. : CS-P-07873
Parent APIEpinastine
CAS:706753-75-5
Mol. Weight:247.3 mol/g
Mol. Formula: C16H13N3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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7-Bromo Epinastine (Impurity B) Hydrobromide
Available 1 Week
(Impurities)
CAT No. : CS-P-07874
Parent APIEpinastine
CAS:1217052-16-8 (free base)
Mol. Weight:409.13 mol/g
Mol. Formula: C16H15Br2N3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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O-Desmethyl Astemizole
Available 1 Week
(Metabolites)
CAT No. : CS-T-16153
Parent APIAstemizole
CAS:73736-50-2
Mol. Weight:444.54 mol/g
Mol. Formula: C27H29FN4O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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O-Desmethyl Pyrilamine
Available 1 Week
(Metabolites)
CAT No. : CS-T-16391
Parent APIPyrilamine
CAS:57830-29-2
Mol. Weight:271.36 mol/g
Mol. Formula: C16H21N3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Bilastine Keto Impurity
Available 1 Week
(Impurities)
CAT No. : CS-O-14026
Parent APIBilastine
CAS:1638785-15-5
Mol. Weight:283.75 mol/g
Mol. Formula: C14H18ClNO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Piperazine Adipate
Available 1 Week
(API Standards)
CAT No. : CS-DE-00110
Parent APIPiperazine
CAS:142-88-1
Mol. Weight:232.28 mol/g
Mol. Formula: C4H10N2.C6H10O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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8-Dechloro-10-chloro Loratadine
Available 1 Week
(Impurities)
CAT No. : CS-O-10168
Parent APILoratadine
CAS:1346605-16-0
Mol. Weight:382.88 mol/g
Mol. Formula: C22H23ClN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Dibenz[b,e]oxepin-2-aceticacid, 6,11-dihydro-11-oxo-, methyl ester
Available 1 Week
(Drug Intermediates)
CAT No. : CS-O-31385
Parent APIOlopatadine
CAS:55689-64-0
Mol. Weight:282.29 mol/g
Mol. Formula: C17H14O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Chlorpheniramine D4
Available 1 Week
(Stable Isotopes)
CAT No. : CS-BV-00013
Parent APIChlorpheniramine
CAS:1216414-56-0
Mol. Weight:278.81 mol/g
Mol. Formula: C16H15D4ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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5-Hydroxy Desloratadine
Available 1 Week
(Metabolites)
CAT No. : CS-T-55937
Parent APIDesloratadine
CAS:117811-12-8
Mol. Weight:326.82 mol/g
Mol. Formula: C19H19ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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3-Hydroxy Desloratadine-β-D-Glucuronide
Available 1 Week
(Glucuronides)
CAT No. : CS-T-55936
Parent APIDesloratadine
CAS:774538-89-5
Mol. Weight:502.94 mol/g
Mol. Formula: C25H27ClN2O7
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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6-Hydroxy Desloratadine
Available 1 Week
(Metabolites)
CAT No. : CS-T-55938
Parent APIDesloratadine
CAS:119410-05-8
Mol. Weight:326.82 mol/g
Mol. Formula: C19H19ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Deschloro Cetirizine
Available 1 Week
(Impurities)
CAT No. : CS-P-07457
Parent APICetirizine
CAS:83881-53-2
Mol. Weight:354.45 mol/g
Mol. Formula: C21H26N2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Glycerol Ester Impurity Hydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-P-07459
Parent APICetirizine
CAS:1243652-36-9 (free base)
Mol. Weight:462.97 mol/g
Mol. Formula: C24H31ClN2O5
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Chlorpheniramine N-Oxide Hydrochloride
Available 1 Week
(Metabolites)
CAT No. : CS-P-07525
Parent APIChlorpheniramine
CAS:120244-82-8
Mol. Weight:290.79 mol/g
Mol. Formula: C16H19ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Carbinoxamine Impurity B
Available 1 Week
(Impurities)
CAT No. : CS-P-07555
Parent APICarbinoxamine
CAS:14159-57-0
Mol. Weight:185.23 mol/g
Mol. Formula: C12H11NO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Triacetic Acid Impurity 1 (Ethylenediaminetriacetic Acid)
Available 1 Week
(Impurities)
CAT No. : CS-P-07816
Parent APIEthylenediaminetriacetic Acid
CAS:688-57-3
Mol. Weight:234.21 mol/g
Mol. Formula: C8H14N2O6
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Bilastine Impurity 1
Available 1 Week
(Impurities)
CAT No. : CS-P-00732
Parent APIBilastine
CAS:953071-73-3
Mol. Weight:301.39 mol/g
Mol. Formula: C17H23N3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(R)-Azelastine N-Oxide
Available 1 Week
(Impurities)
CAT No. : CS-P-07184
Parent APIAzelastine
CAS:1346617-18-2
Mol. Weight:397.9 mol/g
Mol. Formula: C22H24ClN3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(R)-Cetirizine N-Oxide DiHydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-P-07460
Parent APICetirizine
CAS:442863-80-1 (free base)
Mol. Weight:441.35 mol/g
Mol. Formula: C21H25ClN2O4.2HCl
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Sorbitol Ester Impurity Hydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-P-07464
Parent APICetirizine
CAS:13848888-64-5 (free base)
Mol. Weight:589.51 mol/g
Mol. Formula: C27H38Cl2N2O8
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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8-Dechloro-7-chloro Loratadine
Available 1 Week
(Impurities)
CAT No. : CS-O-10169
Parent APILoratadine
CAS:1346602-19-4
Mol. Weight:382.88 mol/g
Mol. Formula: C22H23ClN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Piperazine 13C4 15N2 dihydrochloride
Available 1 Week
(Stable Isotopes)
CAT No. : CS-CX-00621
Parent APIPiperazine
CAS:1323940-35-7
Mol. Weight:165.01 mol/g
Mol. Formula: [13C]4H12Cl2[15N]2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Rupatidine
Available 1 Week
(API Standards)
CAT No. : CS-O-00282
Parent APIRupatadine
CAS:158876-82-5
Mol. Weight:415.96 mol/g
Mol. Formula: C26H26ClN3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine D4
Available 1 Week
(Stable isotopes)
CAT No. : CS-O-14396
Parent APIAzelastine
CAS:1228258-93-2
Mol. Weight:385.92 mol/g
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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1-(2-Pyridyl)piperazine
Available 1 Week
(Metabolites)
CAT No. : CS-T-41174
Parent APIPiperazine
CAS:34803-66-2
Mol. Weight:163.22 mol/g
Mol. Formula: C9H13N3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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2-[(4-Carboxymethylphenoxy)methyl]benzoic acid
Available 1 Week
(Drug Intermediates)
CAT No. : CS-O-31185
Parent APIOlopatadine
CAS:55453-89-9
Mol. Weight:286.28 mol/g
Mol. Formula: C16H14O5
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(3-Dimethylamino)propyltriphenylphosphonium bromide
Available 1 Week
(Drug Intermediates)
CAT No. : CS-O-31384
Parent APIOlopatadine
CAS:18355-96-9
Mol. Weight:428.34 mol/g
Mol. Formula: C23H27BrNP
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-Allylphenothiazine
Available 1 Week
(Impurities)
CAT No. : CS-T-01717
Parent APIPhenothiazine
CAS:20962-92-9
Mol. Weight:239.34 mol/g
Mol. Formula: C15H13NS
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(R)-Fexofenadine
Available 1 Week
(Metabolites)
CAT No. : CS-T-54700
Parent APIFexofenadine
CAS:139965-10-9
Mol. Weight:501.66 mol/g
Mol. Formula: C32H39NO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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2-Formyl Loratadine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-55044
Parent APILoratadine
CAS:1076198-15-6
Mol. Weight:410.89 mol/g
Mol. Formula: C23H23ClN2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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4-Formyl Loratadine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-55045
Parent APILoratadine
CAS:1076198-16-7
Mol. Weight:410.89 mol/g
Mol. Formula: C23H23ClN2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Phenindamine Hydrochloride
Available 1 Week
(API Standards)
CAT No. : CS-T-39230
Parent APIPhenindamine
CAS:5503-08-2
Mol. Weight:297.82 mol/g
Mol. Formula: C19H20ClN
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Piperazine Dihydrochloride
Available 1 Week
(API Standards)
CAT No. : CS-T-40069
Parent APIPiperazine
CAS:142-64-3
Mol. Weight:159.06 mol/g
Mol. Formula: C4H12Cl2N2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Fexofenadine Hydrochloride EP Impurity D
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-54705
Parent APIFexofenadine
CAS:154825-96-4
Mol. Weight:515.68 mol/g
Mol. Formula: C33H41NO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Fexofenadine-D6 Methyl Ester
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-54706
Parent APIFexofenadine
CAS:1286458-00-1
Mol. Weight:521.72 mol/g
Mol. Formula: C33H35D6NO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(10E)-3-O-De(a-L-cladinose)-10-dehydro-11-dehydroxy-6-O-methyl-erythromycin
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-52322
Parent APIErythromycin
CAS:198782-59-1
Mol. Weight:571.74 mol/g
Mol. Formula: C30H53NO9
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Roxithromycin EP impurity G
Available 1 Week
(Impurities)
CAT No. : CS-T-54169
Parent APIErythromycin
CAS:425365-64-6
Mol. Weight:867.07 mol/g
Mol. Formula: C42H78N2O16
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin A 6,9-Imino Ether
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-54171
Parent APIErythromycin
CAS:99290-97-8
Mol. Weight:730.93 mol/g
Mol. Formula: C37H66N2O12
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin A 9,11-Imino Ether
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-54172
Parent APIErythromycin
CAS:161193-44-8
Mol. Weight:730.93 mol/g
Mol. Formula: C37H66N2O12
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin Lactobionate
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-54175
Parent APIErythromycin
CAS:3847-29-8
Mol. Weight:1092.22 mol/g
Mol. Formula: C49H89NO25
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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meta-Fexofenadine
Available 1 Week
(Impurities)
CAT No. : CS-T-54703
Parent APIFexofenadine
CAS:479035-75-1
Mol. Weight:501.66 mol/g
Mol. Formula: C32H39NO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(S)-Fexofenadine
Available 1 Week
(Metabolites)
CAT No. : CS-T-54701
Parent APIFexofenadine
CAS:139965-11-0
Mol. Weight:501.66 mol/g
Mol. Formula: C32H39NO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Chlorpheniramine EP Impurity D
Available 1 Week
(Impurities)
CAT No. : CS-O-15275
Parent APIChlorpheniramine
CAS:65676-21-3 (free base)
Mol. Weight:415.87 mol/g
Mol. Formula: C21H22ClN3O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin C
Available 1 Week
(Impurities)
CAT No. : CS-T-54165
Parent APIErythromycin
CAS:1675-02-1
Mol. Weight:719.9 mol/g
Mol. Formula: C36H65NO13
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycylamine
Available 1 Week
(Metabolites)
CAT No. : CS-T-54186
Parent APIErythromycin
CAS:26116-56-3
Mol. Weight:734.96 mol/g
Mol. Formula: C37H70N2O12
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythrolosamine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-54161
Parent APIErythromycin
CAS:53066-32-3
Mol. Weight:575.73 mol/g
Mol. Formula: C29H53NO10
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin D6
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-54162
Parent APIErythromycin
CAS:959119-25-6
Mol. Weight:739.96 mol/g
Mol. Formula: C37H61D6NO13
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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seco Erythromycin
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-54163
Parent APIErythromycin
CAS:143416-84-6
Mol. Weight:751.94 mol/g
Mol. Formula: C37H69NO14
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin Glucoheptonate
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-54167
Parent APIErythromycin
CAS:23067-13-2
Mol. Weight:960.11 mol/g
Mol. Formula: C44H81NO21
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Ciproxifan
Available 1 Week
(API Standards)
CAT No. : CS-CX-00238
Parent APICiproxifan
CAS:184025-18-1
Mol. Weight:270.33 mol/g
Mol. Formula: C16H18N2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Olopatadine Methanol
Available 1 Week
(Impurities)
CAT No. : CS-T-38024
Parent APIOlopatadine
CAS:113835-76-0
Mol. Weight:323.43 mol/g
Mol. Formula: C21H25NO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Olopatadine Methyl Ester
Available 1 Week
(Impurities)
CAT No. : CS-T-38023
Parent APIOlopatadine
CAS:113805-71-3
Mol. Weight:351.44 mol/g
Mol. Formula: C22H25NO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine impurity C di Hydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-O-16047
Parent APICetirizine
CAS:83881-59-8 (Freebase)
Mol. Weight:461.81 mol/g
Mol. Formula: C21H27Cl3N2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Alcaftadine 3-Carboxylic Acid
Available 1 Week
(Metabolites)
CAT No. : CS-T-01543
Parent APIAlcaftadine
CAS:147083-93-0
Mol. Weight:323.39 mol/g
Mol. Formula: C19H21N3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Fexofenadine Hydrochloride EP Impurity G
Available 1 Week
(Impurities)
CAT No. : CS-T-53856
Parent APIFexofenadine
CAS:1187954-57-9
Mol. Weight:483.64 mol/g
Mol. Formula: C32H37NO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Dirithromycin
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-53878
Parent APIErythromycin
CAS:62013-04-1
Mol. Weight:835.07 mol/g
Mol. Formula: C42H78N2O14
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Ebastine EP Impurity F
Available 1 Week
(Impurities)
CAT No. : CS-T-54007
Parent APIEbastine
CAS:1256285-71-8
Mol. Weight:485.65 mol/g
Mol. Formula: C32H39NO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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methyl 2-(4-(4-hydroxybutanoyl)phenyl)-2-methylpropanoate
Available 1 Week
(Impurities)
CAT No. : CS-O-15948
Parent APIFexofenadine
CAS:394222-30-1
Mol. Weight:264.32 mol/g
Mol. Formula: C15H20O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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methyl 2-(3-(4-chlorobutanoyl)phenyl)-2-methylpropanoate
Available 1 Week
(Impurities)
CAT No. : CS-O-15949
Parent APIFexofenadine
CAS:343255-26-5
Mol. Weight:282.76 mol/g
Mol. Formula: C15H19ClO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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1-Acetyl-4-[4-(methoxymethoxy)phenyl]piperazine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-00885
Parent APIPiperazine
CAS:1246819-45-3
Mol. Weight:264.32 mol/g
Mol. Formula: C14H20N2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-(4-Methoxybenzyl)-N'-methyl-N-2-pyridinyl-1,2-ethanediamine
Available 1 Week
(Metabolites)
CAT No. : CS-T-32251
Parent APIPyrilamine
CAS:104499-47-0
Mol. Weight:271.36 mol/g
Mol. Formula: C16H21N3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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1-(3-Hydroxypropyl)-4-methylpiperazine
Available 1 Week
(Fine Chemicals)
CAT No. : CS-O-16269
CAS:5317-33-9
Mol. Weight:158.24 mol/g
Mol. Formula: C8H18N2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(E)-Olopatadine Hydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-P-02642
Parent APIOlopatadine
CAS:949141-22-4
Mol. Weight:373.87 mol/g
Mol. Formula: C21H24ClNO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Fexofenadine Hydrochloride EP Impurity F
Available 1 Week
(Impurities)
CAT No. : CS-O-14191
Parent APIFexofenadine
CAS:185066-33-5
Mol. Weight:487.63 mol/g
Mol. Formula: C31H37NO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine EP Impurity E
Available 1 Week
(Impurities)
CAT No. : CS-O-15175
Parent APIAzelastine
CAS:105279-16-1
Mol. Weight:256.68 mol/g
Mol. Formula: C15H9ClO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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α-Methyl-phenothiazine-10-ethanal
Available 1 Week
(Metabolites)
CAT No. : CS-T-34898
Parent APIPhenothiazine
CAS:15375-56-1
Mol. Weight:255.33 mol/g
Mol. Formula: C15H13NOS
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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2-(Methylsulfonyl) Phenothiazine
Available 1 Week
(Impurities)
CAT No. : CS-T-34967
Parent APIPhenothiazine
CAS:23503-68-6
Mol. Weight:277.36 mol/g
Mol. Formula: C13H11NO2S2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin Phosphate
Available 1 Week
(API Standards)
CAT No. : CS-AH-00117
Parent APIErythromycin
CAS:4501-00-2
Mol. Weight:813.9 mol/g
Mol. Formula: C37H68NO16P
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Methyl 4-(Cyanomethyl)benzoate
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-33472
Parent APIFexofenadine
CAS:76469-88-0
Mol. Weight:175.18 mol/g
Mol. Formula: C10H9NO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Norastemizole Hydrobromide
Available 1 Week
(API Standards)
CAT No. : CS-T-37450
Parent APIAstemizole
CAS:75970-64-8
Mol. Weight:486.22 mol/g
Mol. Formula: C19H23Br2FN4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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1-(Pyridine-2-yl)-3-(pyrrolidin-1-yl)-1-p-tolylpropan-1-ol
Available 1 Week
(Drug Intermediates)
CAT No. : CS-O-31767
Parent APITriprolidine
CAS:70708-28-0
Mol. Weight:296.4 mol/g
Mol. Formula: C19H24N2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Prothipendyl Hydrochloride
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-60871
Parent APIPhenothiazine
CAS:1225-65-6
Mol. Weight:321.87 mol/g
Mol. Formula: C16H20ClN3S
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Didesmethyl Chlorpheniramine Maleate Salt
Available 1 Week
(Metabolites)
CAT No. : CS-T-52742
Parent APIChlorpheniramine
CAS:23052-94-0
Mol. Weight:362.81 mol/g
Mol. Formula: C18H19ClN2O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(+)-1-[(4-Chlorophenyl) phenylmethyl] piperazine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-CL-00001
Parent APILevocetirizine
CAS:130018-88-1
Mol. Weight:286.79 mol/g
Mol. Formula: C17H19ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Levocetirizine Impurity G
Available 1 Week
(Impurities)
CAT No. : CS-CK-00002
Parent APILevocetirizine
CAS:109806-71-5
Mol. Weight:330.85 mol/g
Mol. Formula: C19H23ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Ebastine Impurity E
Available 1 Week
(Impurities)
CAT No. : CS-P-01314
Parent APIEbastine
CAS:NA
Mol. Weight:599.77 mol/g
Mol. Formula: C37H45NO6
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Ebastine EP Impurity G
Available 1 Week
(Impurities)
CAT No. : CS-P-01316
Parent APIEbastine
CAS:1429071-65-7
Mol. Weight:485.67 mol/g
Mol. Formula: C32H39NO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin A dihydrate
Available 1 Week
(API Standards)
CAT No. : CS-O-00208
Parent APIErythromycin
CAS:59319-72-1
Mol. Weight:769.96 mol/g
Mol. Formula: C37H71NO15
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desloratadine N-Carboxylic Acid Methyl Ester
Available 1 Week
(Impurities)
CAT No. : CS-T-52179
Parent APIDesloratadine
CAS:165740-03-4
Mol. Weight:368.86 mol/g
Mol. Formula: C21H21ClN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(10E)-3-O-De(a-L-cladinose)-10-dehydro-11-dehydroxy-6-O-methyl-erythromycin 2'-Acetate
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-52323
Parent APIErythromycin
CAS:198782-60-4
Mol. Weight:613.78 mol/g
Mol. Formula: C32H55NO10
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Methyl 5-methylnicotinate
Available 1 Week
(Drug Intermediates)
CAT No. : CS-O-31616
Parent APIRupatadine
CAS:29681-45-6
Mol. Weight:151.16 mol/g
Mol. Formula: C8H9NO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Hexamethylenediamine 13C2-15N2 dihydrochloride
Available 1 Week
(Stable Isotopes)
CAT No. : CS-CX-00667
CAS:6055-52-3 (Unlabeled)
Mol. Weight:189.07 mol/g
Mol. Formula: C413C2H14Cl215N2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Impurity D dihydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-DH-00032
Parent APICetirizine
CAS:856841-95-7
Mol. Weight:560.38 mol/g
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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4,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Available 1 Week
(Impurities)
CAT No. : CS-T-52591
Parent APILoratadine
CAS:133330-60-6
Mol. Weight:278.13 mol/g
Mol. Formula: C14H9Cl2NO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-Methylpiperazine D8
Available 1 Week
(Deuterated Building Blocks)
CAT No. : CS-O-16257
Parent APIPiperazine
CAS:917358-65-7
Mol. Weight:108.21 mol/g
Mol. Formula: C5H4D8N2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(S)-Chlorpheniramine
Available 1 Week
(Chiral Standards)
CAT No. : CS-DM-00028
Parent APIChlorpheniramine
CAS:NA
Mol. Weight:274.79 mol/g
Mol. Formula: C16H19ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Impurity BHA
Available 1 Week
(Impurities)
CAT No. : CS-DN-00043
Parent APICetirizine
CAS:NA
Mol. Weight:551.12 mol/g
Mol. Formula: C32H39ClN2O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Impurity BHT
Available 1 Week
(Impurities)
CAT No. : CS-DN-00001
Parent APICetirizine
CAS:NA
Mol. Weight:591.22 mol/g
Mol. Formula: C36H47ClN2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine EP Impurity B
Available 1 Week
(Impurities)
CAT No. : CS-O-13790
Parent APIAzelastine
CAS:110406-94-5
Mol. Weight:247.33 mol/g
Mol. Formula: C14H21N3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Piperazine D10
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-14864
Parent APIPiperazine
CAS:362049-61-4
Mol. Weight:96.2 mol/g
Mol. Formula: C4D10N2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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9-Oxo Epinastine Hydrochloride
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-60016
Parent APIEpinastine
CAS:141342-69-0
Mol. Weight:263.29 mol/g
Mol. Formula: C16H13N3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Phenindamine Nitrate
Available 1 Week
(Impurities)
CAT No. : CS-P-01968
Parent APIPhenindamine
CAS:114226-44-7
Mol. Weight:261.37 mol/g
Mol. Formula: C19H19N.HNO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cyproheptadine Impurity 2
Available 1 Week
(Impurities)
CAT No. : CS-P-01258
Parent APICyproheptadine
CAS:NA
Mol. Weight:321.41 mol/g
Mol. Formula: C21H23NO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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8-Dechloro-9-chloro Desloratadine
Available 1 Week
(Impurities)
CAT No. : CS-T-51687
Parent APIDesloratadine
CAS:117811-13-9
Mol. Weight:310.82 mol/g
Mol. Formula: C19H19ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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8-Dechloro-9-chloro Loratadine
Available 1 Week
(Impurities)
CAT No. : CS-T-51688
Parent APILoratadine
CAS:109537-11-3
Mol. Weight:382.89 mol/g
Mol. Formula: C22H23ClN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Olopatadine-d3 N-Oxide
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-59940
Parent APIOlopatadine
CAS:1331666-71-7
Mol. Weight:356.43 mol/g
Mol. Formula: C21H20D3NO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin impurity F
Available 1 Week
(Impurities)
CAT No. : CS-T-60670
Parent APIErythromycin
CAS:105882-69-7
Mol. Weight:715.91 mol/g
Mol. Formula: C37H65NO12
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N,N-Didesmethylolopatadine
Available 1 Week
(Metabolites)
CAT No. : CS-O-14362
Parent APIOlopatadine
CAS:113835-94-2
Mol. Weight:309.36 mol/g
Mol. Formula: C19H19NO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Loratadine EP Impurity F
Available 1 Week
(Impurities)
CAT No. : CS-O-14709
Parent APILoratadine
CAS:125743-80-8
Mol. Weight:402.89 mol/g
Mol. Formula: C22H24ClFN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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8-Deschloro-8-bromo-N-methyl Desloratadine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-52065
Parent APIDesloratadine
CAS:130642-57-8
Mol. Weight:369.3 mol/g
Mol. Formula: C20H21BrN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Levocetirizine D4
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-02878
Parent APILevocetirizine
CAS:1133210-23-7
Mol. Weight:392.92 mol/g
Mol. Formula: C21H21D4ClN2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Hydroxy Ebastine
Available 1 Week
(Metabolites)
CAT No. : CS-T-27010
Parent APIEbastine
CAS:210686-41-2
Mol. Weight:485.65 mol/g
Mol. Formula: C32H39NO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-Nitrosopiperidine D4
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-59647
Parent APINitrosopiperazine
CAS:99389-11-4
Mol. Weight:118.17 mol/g
Mol. Formula: C5H6D4N2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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1-Nitrosopyrrolidine D4
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-59649
Parent APINitrosopiperazine
CAS:57371-40-1
Mol. Weight:104.14 mol/g
Mol. Formula: C4H4D4N2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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9-Oxime 3''-O-Demethyl-erythromycin
Available 1 Week
(Impurities)
CAT No. : CS-T-59988
Parent APIErythromycin
CAS:226086-79-9
Mol. Weight:734.91 mol/g
Mol. Formula: C36H66N2O13
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(E)-Olopatadine
Available 1 Week
(Impurities)
CAT No. : CS-T-59938
Parent APIOlopatadine
CAS:113806-06-7
Mol. Weight:337.41 mol/g
Mol. Formula: C21H23NO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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1-Dehydroxy-1-dehyro-fexofenadine-d6 Methyl Ester
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-51813
Parent APIFexofenadine
CAS:1795031-46-7
Mol. Weight:501.69 mol/g
Mol. Formula: C33H31D6NO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine 3-Chloro Impurity
Available 1 Week
(Impurities)
CAT No. : CS-O-07594
Parent APICetirizine
CAS:1232460-29-5
Mol. Weight:461.81 mol/g
Mol. Formula: C21H27Cl3N2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Olopatadine D6
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-10112
Parent APIOlopatadine
CAS:1231979-85-3
Mol. Weight:343.44 mol/g
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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4-HYDROXYMETHYLLORATADINE
Available 1 Week
(Metabolites)
CAT No. : CS-O-06123
Parent APILoratadine
CAS:609806-40-8
Mol. Weight:412.91 mol/g
Mol. Formula: C23H25ClN2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Boc-Desloratadine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-Y-00096
Parent APILoratadine
CAS:1309283-27-9
Mol. Weight:410.94 mol/g
Mol. Formula: C24H27ClN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-Benzyl-2-[2-[(2-hydroxyethyl)amino]ethoxy]acetamide
Available 1 Week
(Impurities)
CAT No. : CS-T-05676
Parent APICetirizine
CAS:1391053-09-0
Mol. Weight:252.31 mol/g
Mol. Formula: C13H20N2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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8-Dechloro-9-chloro-N-methyl Desloratadine
Available 1 Week
(Impurities)
CAT No. : CS-T-51689
Parent APIDesloratadine
CAS:38092-88-5
Mol. Weight:324.85 mol/g
Mol. Formula: C20H21ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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9,13β-Dehydro Epinastine Hydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-T-51759
Parent APIEpinastine
CAS:141342-70-3
Mol. Weight:283.76 mol/g
Mol. Formula: C16H14ClN3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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5,6-Dehydro-N-methyl Desloratadine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-51737
Parent APIDesloratadine
CAS:117811-18-4
Mol. Weight:322.83 mol/g
Mol. Formula: C20H19ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desloratadine (2,2,6,6,10) D5
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-16050
Parent APIDesloratadine
CAS:1246819-67-9
Mol. Weight:315.86 mol/g
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Piperazine-D8 Dihydrochloride
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-02793
Parent APIPiperazine
CAS:849482-21-9
Mol. Weight:167.11 mol/g
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-Nitroso-4-(2-hydroxyethyl)-piperazin-2-one
Available 1 Week
(Impurities)
CAT No. : CS-O-16003
Parent APIPiperazine
CAS:2168333-19-3
Mol. Weight:173.17 mol/g
Mol. Formula: C6H11N3O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin Ethylsuccinate EP Impurity K
Available 1 Week
(Impurities)
CAT No. : CS-O-16518
Parent APIErythromycin
CAS:33442-56-7
Mol. Weight:703.9 mol/g
Mol. Formula: C36H65NO12
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Triprolidine D8 Hydrochloride
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-14687
Parent APITriprolidine
CAS:550-70-9 (Unlabeled)
Mol. Weight:322.9 mol/g
Mol. Formula: C19H15D8ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Alpha α Dimethyl Phenyl Acetic Acid Methyl Ester
Available 1 Week
(Drug Intermediates)
CAT No. : CS-CO-00002
Parent APIFexofenadine
CAS:57625-74-8
Mol. Weight:178.23 mol/g
Mol. Formula: C11H14O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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5-Hydroxyindole-3-acetic Acid
Available 1 Week
(Impurities)
CAT No. : CS-T-28695
Parent APIChlorpheniramine
CAS:54-16-0
Mol. Weight:191.18 mol/g
Mol. Formula: C10H9NO3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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8-Fluoro Erythromycin
Available 1 Week
(Carbohydrates)
CAT No. : CS-T-24022
Parent APIErythromycin
CAS:82664-20-8
Mol. Weight:751.92 mol/g
Mol. Formula: C37H66FNO13
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-Nitroso Desloratadine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-59617
Parent APIDesloratadine
CAS:1246819-22-6
Mol. Weight:339.82 mol/g
Mol. Formula: C19H18ClN3O
Therapeutic Category :Antihistamine
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N-Nitrosopiperazine D8
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-59645
Parent APINitrosopiperazine
CAS:1330180-56-7
Mol. Weight:123.18 mol/g
Mol. Formula: C4HD8N3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-Nitrosopiperidine D10
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-59646
Parent APINitrosopiperazine
CAS:960049-21-2
Mol. Weight:124.21 mol/g
Mol. Formula: C5D10N2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Dehydro Desloratadine
Available 1 Week
(Impurities)
CAT No. : CS-T-50913
Parent APIDesloratadine
CAS:117811-20-8
Mol. Weight:308.8 mol/g
Mol. Formula: C19H17ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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2-[4-[2-(4-Chlorophenyl)phenylmethyl]-1-piperazinyl]ethanol
Available 1 Week
(Impurities)
CAT No. : CS-T-50942
Parent APICetirizine
CAS:1391053-56-7
Mol. Weight:330.85 mol/g
Mol. Formula: C19H23ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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4-[(4-Chlorophenyl)methyl]-2-[2-(1-methyl-2-pyrrolidinyl)ethyl]-1(2H)-phthalazinone
Available 1 Week
(Impurities)
CAT No. : CS-T-51013
Parent APIAzelastine
CAS:756415-37-9
Mol. Weight:381.9 mol/g
Mol. Formula: C22H24ClN3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desloratadine EP Impurity B
Available 1 Week
(Impurities)
CAT No. : CS-O-07779
Parent APIDesloratadine
CAS:183198-49-4
Mol. Weight:310.83 mol/g
Mol. Formula: C19H19ClN2
Therapeutic Category :Antihistamine
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Desloratadine N-Acetyl Impurity
Available 1 Week
(Impurities)
CAT No. : CS-O-07781
Parent APIDesloratadine
CAS:117796-52-8
Mol. Weight:352.86 mol/g
Mol. Formula: C21H21ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine D4
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-01307
Parent APICetirizine
CAS:1219803-84-5
Mol. Weight:392.92 mol/g
Mol. Formula: C21H21ClD4N2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Impurity G
Available 1 Week
(Impurities)
CAT No. : CS-O-30391
Parent APICetirizine
CAS:705289-61-8
Mol. Weight:330.85 mol/g
Mol. Formula: C19H23ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine S-Isomer
Available 1 Week
(Impurities)
CAT No. : CS-O-07609
Parent APICetirizine
CAS:163837-48-7 ; 130018-76-7 (base)
Mol. Weight:388.89 mol/g
Mol. Formula: C21H25ClN2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Piperazine D4
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-14675
Parent APIPiperazine
CAS:110-85-0 (Unlabeled)
Mol. Weight:90.16 mol/g
Mol. Formula: C4H6D4N2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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4-Chloro Loratadine
Available 1 Week
(Impurities)
CAT No. : CS-T-50704
Parent APILoratadine
CAS:165739-83-3
Mol. Weight:417.33 mol/g
Mol. Formula: C22H22Cl2N2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Chlorpheniramine D6
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-51081
Parent APIChlorpheniramine
CAS:1185054-60-7
Mol. Weight:280.83 mol/g
Mol. Formula: C16H13D6ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(R)-Chlorpheniramine Maleate Salt
Available 1 Week
(Impurities)
CAT No. : CS-T-51083
Parent APIChlorpheniramine
CAS:23095-76-3
Mol. Weight:390.86 mol/g
Mol. Formula: C20H23ClN2O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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4-[(3-Chlorophenyl)methyl]-2-(hexahydro-1-methyl-1H-azepin-4-yl)-1(2H)-phthalazinone
Available 1 Week
(Impurities)
CAT No. : CS-T-50853
Parent APIAzelastine
CAS:37933-01-0
Mol. Weight:381.89 mol/g
Mol. Formula: C22H24ClN3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desloratadine 8-Bromo-11-Hydroxy-N-Methyl Impurity
Available 1 Week
(Impurities)
CAT No. : CS-O-07775
Parent APIDesloratadine
CAS:NA
Mol. Weight:387.31 mol/g
Mol. Formula: C20H23BrN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desloratadine 8-Bromo-11-Oxo Impurity
Available 1 Week
(Impurities)
CAT No. : CS-O-07776
Parent APIDesloratadine
CAS:143540-56-1
Mol. Weight:288.14 mol/g
Mol. Formula: C14H10BrNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Polyethylene Glycol (PEG) Ester
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-50496
Parent APICetirizine
CAS:1509941-93-8
Mol. Weight:432.94 mol/g
Mol. Formula: C21H25ClN2O3[C2H4O]n
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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1-[(4-Chlorophenyl)phenylmethyl]piperazine D8
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-50963
Parent APICetirizine
CAS:1189925-23-2
Mol. Weight:294.85 mol/g
Mol. Formula: C17H11D8ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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7-Chloro Epinastine Hydrochloride
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-50661
Parent APIEpinastine
CAS:80012-45-9
Mol. Weight:320.22 mol/g
Mol. Formula: C16H15Cl2N3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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2-Chloro-10-[3-[[3-(dimethylamino)propyl]methylamino]propyl]phenothiazine
Available 1 Week
(Impurities)
CAT No. : CS-T-11780
Parent APIPhenothiazine
CAS:19077-20-4
Mol. Weight:389.99 mol/g
Mol. Formula: C21H28ClN3S
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Terfenadine D6
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-13202
Parent APITerfenadine
CAS:50679-08-8 (Unlabeled)
Mol. Weight:477.71 mol/g
Mol. Formula: C32H35D6NO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Pheniramine
Available 1 Week
(API Standards)
CAT No. : CS-O-11352
Parent APIPheniramine
CAS:86-21-5
Mol. Weight:240.34 mol/g
Mol. Formula: C16H20N2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-Ethoxycarbonyl Norastemizole
Available 1 Week
(Impurities)
CAT No. : CS-T-22310
Parent APIAstemizole
CAS:84501-68-8
Mol. Weight:396.46 mol/g
Mol. Formula: C22H25FN4O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desalkyl Ebastine
Available 1 Week
(Metabolites)
CAT No. : CS-T-15724
Parent APIEbastine
CAS:58258-01-8
Mol. Weight:267.36 mol/g
Mol. Formula: C18H21NO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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2-[2-(4-bromophenyl)propan-2-yl]-4,4-dimethyl-4,5-dihydro-1,3-oxazole Br
Available 1 Week
(Drug Intermediates)
CAT No. : CS-O-32084
Parent APIBilastine
CAS:192775-97-6
Mol. Weight:296.2 mol/g
Mol. Formula: C14H18BrNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Ethyl -ß-Chlorovinyl Ketone
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-22635
Parent APIPiperazine
CAS:105-32-8
Mol. Weight:118.56 mol/g
Mol. Formula: C5H7ClO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin B
Available 1 Week
(Metabolites)
CAT No. : CS-T-21948
Parent APIErythromycin
CAS:527-75-3
Mol. Weight:717.93 mol/g
Mol. Formula: C37H67NO12
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Diphenhydramine Citrate
Available 1 Week
(Fine Chemicals)
CAT No. : CS-T-20855
CAS:88637-37-0
Mol. Weight:447.48 mol/g
Mol. Formula: C23H29NO8
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine EP Impurity E Di Hydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-O-07603
Parent APICetirizine
CAS:83881-56-5
Mol. Weight:505.86 mol/g
Mol. Formula: C23H31Cl3N2O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine EP Impurity B Ethyl Ester
Available 1 Week
(Impurities)
CAT No. : CS-O-07600
Parent APICetirizine
CAS:19178-83-7
Mol. Weight:372.88 mol/g
Mol. Formula: C21H25ClN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine impurity B di Hydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-O-15936
Parent APICetirizine
CAS:1000690-91-4
Mol. Weight:417.76 mol/g
Mol. Formula: C19H23Cl3N2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Diphenylpyraline Hydrochloride
Available 1 Week
(API Standards)
CAT No. : CS-O-04187
Parent APIEbastine
CAS:132-18-3
Mol. Weight:317.85 mol/g
Mol. Formula: C19H24ClNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desloratadine D5
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-02713
Parent APIDesloratadine
CAS:1020719-34-9
Mol. Weight:315.85 mol/g
Mol. Formula: C19H14ClD5N2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Levocetirizine Impurity 1
Available 1 Week
(Impurities)
CAT No. : CS-P-05076
Parent APICetirizine
CAS:1150310-68-1
Mol. Weight:478.03 mol/g
Mol. Formula: C28H32ClN3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Embramine Hydrochloride
Available 1 Week
(API Standards)
CAT No. : CS-T-21575
Parent APIEmbramine
CAS:13977-28-1
Mol. Weight:384.74 mol/g
Mol. Formula: C18H23BrClNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Diphenhydramine impurity C
Available 1 Week
(Impurities)
CAT No. : CS-O-30389
Parent APIDiphenhydramine
CAS:118-23-0
Mol. Weight:334.25 mol/g
Mol. Formula: C17H20BrNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Diphenhydramine Impurity K
Available 1 Week
(Impurities)
CAT No. : CS-O-30428
Parent APIDiphenhydramine
CAS:574-42-5
Mol. Weight:350.45 mol/g
Mol. Formula: C26H22O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Diphenhydramine D5 Hydrochloride
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-06550
Parent APIDiphenhydramine
CAS: 1219795-16-0
Mol. Weight:296.84 mol/g
Mol. Formula: C17H17D5ClNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desmethoxy loratadine
Available 1 Week
(Metabolites)
CAT No. : CS-O-05868
Parent APILoratadine
CAS:NA
Mol. Weight:340.85 mol/g
Mol. Formula: C20H21ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-Methyl Iso Desloratadine
Available 1 Week
(Impurities)
CAT No. : CS-T-58300
Parent APIDesloratadine
CAS:183198-48-3
Mol. Weight:324.85 mol/g
Mol. Formula: C20H21ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Bilastine Piperidine Impurity
Available 1 Week
(Impurities)
CAT No. : CS-O-32083
Parent APIBilastine
CAS:110963-63-8
Mol. Weight:273.37 mol/g
Mol. Formula: C16H23N3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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10-(3-Bromopropyl)phenothiazine
Available 1 Week
(Impurities)
CAT No. : CS-T-08847
Parent APIPhenothiazine
CAS:92357-95-4
Mol. Weight:320.25 mol/g
Mol. Formula: C15H14BrNS
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Ethyl Ester
Available 1 Week
(Metabolites)
CAT No. : CS-T-10981
Parent APICetirizine
CAS:246870-46-2
Mol. Weight:416.94 mol/g
Mol. Formula: C23H29ClN2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Benzhydryl bromide
Available 1 Week
(Drug Intermediates)
CAT No. : CS-O-11372
Parent APIDiphenhydramine
CAS:776-74-9
Mol. Weight:247.14 mol/g
Mol. Formula: C13H11Br
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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2-(4-Piperidyl)-1H-1,3-benzimidazole
Available 1 Week
(Drug Intermediates)
CAT No. : CS-O-32082
Parent APIBilastine
CAS:38385-95-4
Mol. Weight:201.28 mol/g
Mol. Formula: C12H15N3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N,N-Bis(2-chloroethyl)-p-toluenesulfonamide
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-06835
Parent APICetirizine
CAS:42137-88-2
Mol. Weight:296.21 mol/g
Mol. Formula: C11H15Cl2NO2S
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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tert-Butyl Cetirizine
Available 1 Week
(Impurities)
CAT No. : CS-T-09309
Parent APICetirizine
CAS:335017-46-4
Mol. Weight:444.99 mol/g
Mol. Formula: C25H33ClN2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cyproheptadine Related Compound C
Available 1 Week
(Impurities)
CAT No. : CS-K-00033
Parent APICyproheptadine
CAS:3967-32-6
Mol. Weight:305.42 mol/g
Mol. Formula: C21H23NO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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N-Benzyl-N-[2-(benzylamino)-2-oxoethyl]-2-chloroacetamide
Available 1 Week
(Impurities)
CAT No. : CS-T-48813
Parent APICetirizine
CAS:1391051-79-8
Mol. Weight:330.81 mol/g
Mol. Formula: C18H19ClN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Ebastine D5
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-10173
Parent APIEbastine
CAS:1216953-13-7
Mol. Weight:474.68 mol/g
Mol. Formula: C32H34D5NO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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3-Methoxy Desloratadine
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-57668
Parent APIDesloratadine
CAS:165739-63-9
Mol. Weight:340.85 mol/g
Mol. Formula: C20H21ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin EP Impurity A
Available 1 Week
(Impurities)
CAT No. : CS-O-16844
Parent APIErythromycin
CAS:82230-93-1
Mol. Weight:749.93 mol/g
Mol. Formula: C37H67NO14
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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1-(4-tert-Butylphenyl)-4-chloro-1-butanone
Available 1 Week
(Fine Chemicals)
CAT No. : CS-T-09412
CAS:43076-61-5
Mol. Weight:238.76 mol/g
Mol. Formula: C14H19ClO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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4-[4-(4'-Chlorobiphenyl-2-ylmethyl)piperazin-1-yl]benzoic Acid
Available 1 Week
(Drug Intermediates)
CAT No. : CS-T-11197
Parent APIPiperazine
CAS:916204-05-2
Mol. Weight:406.9 mol/g
Mol. Formula: C24H23ClN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Brompheniramine
Available 1 Week
(API Standards)
CAT No. : CS-O-06170
Parent APIBrompheniramine
CAS:86-22-6
Mol. Weight:319.24 mol/g
Mol. Formula: C16H19BrN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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2-Hydroxymethyl Loratadine
Available 1 Week
(Metabolites)
CAT No. : CS-O-07891
Parent APILoratadine
CAS:609806-39-5
Mol. Weight:412.91 mol/g
Mol. Formula: C₂₃H₂₅ClN₂O₃
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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1-(Ethoxycarbonyl)-1,2,3,4-tetrahydro-4-oxopyridine
Available 1 Week
(Impurities)
CAT No. : CS-T-92266
Parent APILoratadine
CAS:57330-84-4
Mol. Weight:169.18 mol/g
Mol. Formula: C₈H₁₁NO₃
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Deschloro Loratadine
Available 1 Week
(Impurities)
CAT No. : CS-T-88876
Parent APILoratadine
CAS:79779-58-1
Mol. Weight:348.44 mol/g
Mol. Formula: C₂₂H₂₄N₂O₂
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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8-Deschloro-8-bromo Loratadine
Available 1 Week
(Impurities)
CAT No. : CS-T-88604
Parent APILoratadine
CAS:130642-60-3
Mol. Weight:427.33 mol/g
Mol. Formula: C₂₂H₂₃BrN₂O₂
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Terfenadine D3
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-86760
Parent APITerfenadine
CAS:192584-82-0
Mol. Weight:474.69 mol/g
Mol. Formula: C₃₂H₃₈D₃NO₂
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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2-[4-[(4-Chlorophenyl)phenylmethyl]-1-piperazinyl]ethanol D4
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-72698
Parent APICetirizine
CAS:1794756-21-0
Mol. Weight:334.88 mol/g
Mol. Formula: C₁₉H₁₉D₄ClN₂O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Prothipendyl D6 Hydrochloride
Available 1 Week
(Stable Isotopes)
CAT No. : CS-T-85544
Parent APIProthipendyl
CAS:1346604-67-8
Mol. Weight:327.91 mol/g
Mol. Formula: C16H14D6ClN3S
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Pseudoerythromycin A Hemiketal
Available 1 Week
(Impurities)
CAT No. : CS-T-85218
Parent APIErythromycin
CAS:105900-46-7
Mol. Weight:733.93 mol/g
Mol. Formula: C₃₇H₆₇NO₁₃
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(5-Methyl-3-pyridinyl)methyl Rupatadine
Available 1 Week
(Impurities)
CAT No. : CS-T-81385
Parent APIRupatadine
CAS:1422960-88-0
Mol. Weight:522.1 mol/g
Mol. Formula: C33H34ClN4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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1’-Hydroxy Bilastine Weinreb’s Amide
Available 1 Week
(Impurities)
CAT No. : CS-T-79472
Parent APIBilastine
CAS:1638785-25-7
Mol. Weight:522.68 mol/g
Mol. Formula: C₃₀H₄₂N₄O₄
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Deschloro Cetirizine Dihydrochloride
Available 1 Week
(Impurities)
CAT No. : CS-T-73775
Parent APICetirizine
CAS:83881-54-3
Mol. Weight:427.36 mol/g
Mol. Formula: C₂₁H₂₈Cl₂N₂O₃
Therapeutic Category :Antihistamine
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8-Dechloro-7-chloro-N-methyl Desloratadine
Available 1 Week
(Impurities)
CAT No. : CS-T-73250
Parent APILoratadine
CAS:1346600-30-3
Mol. Weight:324.85 mol/g
Mol. Formula: C₂₀H₂₁ClN₂
Therapeutic Category :Antihistamine
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8-Dechloro-10-chloro-N-methyl Desloratadine
Available 1 Week
(Impurities)
CAT No. : CS-T-73184
Parent APILoratadine
CAS:38092-90-9
Mol. Weight:324.85 mol/g
Mol. Formula: C₂₀H₂₁ClN₂
Therapeutic Category :Antihistamine
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4-[(R)-(4-Chlorophenyl)phenylmethyl]-1-piperazinecarboxaldehyde
Available 1 Week
(Impurities)
CAT No. : CS-T-72667
Parent APICetirizine
CAS:1136010-98-4
Mol. Weight:314.81 mol/g
Mol. Formula: C₁₈H₁₉ClN₂O
Therapeutic Category :Antihistamine
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Chlorpheniramine Nitrile
Available 1 Week
(Impurities)
CAT No. : CS-T-72321
Parent APIChlorpheniramine
CAS:65676-21-3
Mol. Weight:299.8 mol/g
Mol. Formula: C₁₇H₁₈ClN₃
Therapeutic Category :Antihistamine
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Fexofenadine hydrochloride USP Impurity A
Available 1 Week
(Impurities)
CAT No. : CS-EN-00073
Parent APIFexofenadine
CAS:NA
Mol. Weight:501.67 mol/g
Mol. Formula: C32H39NO4
Therapeutic Category :Antihistamine
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Ebastine D6
Available 1 Week
(Stable Isotopes)
CAT No. : CS-O-11106
Parent APIEbastine
CAS:90729-43-4 (Unlabeled)
Mol. Weight:475.69 mol/g
Therapeutic Category :Antihistamine
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Ebastine EP Impurity D
Available 1 Week
(Impurities)
CAT No. : CS-T-09280
Parent APIEbastine
CAS:97928-18-2
Mol. Weight:303.44 mol/g
Mol. Formula: C19H29NO2
Therapeutic Category :Antihistamine
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Azaerythromycin A  (R02440)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00215
Parent APIErythromycin
CAS:76801-85-9
Mol. Weight:734.96 mol/g
Mol. Formula: C37H70N2O12
Therapeutic Category :Antihistamine
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Azatadine Maleate  (G0B300)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00216
Parent APIAzatadine
CAS:3978-86-7
Mol. Weight:522.55 mol/g
Mol. Formula: C28H30N2O8
Therapeutic Category :Antihistamine
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Azelastine Related Compound B  (F0L553)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00227
Parent APIAzelastine
CAS:117078-69-0
Mol. Weight:283.8 mol/g
Mol. Formula: C14H22ClN3O
Therapeutic Category :Antihistamine
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Azelastine Related Compound D  (F0L457)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00228
Parent APIAzelastine
CAS:53242-88-9
Mol. Weight:270.71 mol/g
Mol. Formula: C15H11ClN2O
Therapeutic Category :Antihistamine
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Azelastine Related Compound E  (F0L463)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00229
Parent APIAzelastine
CAS:20526-97-0
Mol. Weight:256.68 mol/g
Mol. Formula: C15H9ClO2
Therapeutic Category :Antihistamine
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Bromodiphenhydramine Hydrochloride  (F010R2)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00312
Parent APIDiphenhydramine
CAS:1808-12-4
Mol. Weight:370.7 mol/g
Mol. Formula: C17H21BrClNO
Therapeutic Category :Antihistamine
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Carbinoxamine Maleate  (R08650)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00393
Parent APICarbinoxamine
CAS:3505-38-2
Mol. Weight:406.86 mol/g
Mol. Formula: C20H23ClN2O5
Therapeutic Category :Antihistamine
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Carbinoxamine Related Compound A  (F044R0)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00394
Parent APICarbinoxamine
CAS:6318-51-0
Mol. Weight:217.65 mol/g
Mol. Formula: C12H8ClNO
Therapeutic Category :Antihistamine
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Carbinoxamine Related Compound B  (F044S0)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00395
Parent APICarbinoxamine
CAS:27652-89-7
Mol. Weight:219.67 mol/g
Mol. Formula: C12H10ClNO
Therapeutic Category :Antihistamine
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Cetirizine Related Compound A  (R06380)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00452
Parent APICetirizine
CAS:246870-46-2
Mol. Weight:489.86 mol/g
Mol. Formula: C23H31Cl3N2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Related Compound B  (F03380)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00453
Parent APICetirizine
CAS:108983-83-1
Mol. Weight:369.33 mol/g
Mol. Formula: C19H26Cl2N2O
Therapeutic Category :Antihistamine
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Cetirizine Related Compound C  (F03390)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00454
Parent APICetirizine
CAS:83881-37-2
Mol. Weight:387.9 mol/g
Mol. Formula: C21H26ClN3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine Related Compound G  (F033A0)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00455
Parent APICetirizine
CAS:164726-80-1
Mol. Weight:403.77 mol/g
Mol. Formula: C19H25Cl3N2O
Therapeutic Category :Antihistamine
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Chlorpheniramine Related Compound B  (R07060)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00485
Parent APIChlorpheniramine
CAS:1202-34-2
Mol. Weight:171.2 mol/g
Mol. Formula: C10H9N3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Chlorpheniramine Related Compound C  (R07600)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00486
Parent APIChlorpheniramine
CAS:22630-25-7
Mol. Weight:376.83 mol/g
Mol. Formula: C19H21ClN2O4
Therapeutic Category :Antihistamine
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Desloratadine Related Compound A  (F000P0)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00614
Parent APIDesloratadine
CAS:117796-50-6
Mol. Weight:355.27 mol/g
Mol. Formula: C19H19BrN2
Therapeutic Category :Antihistamine
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Desloratadine Related Compound F  (F04050)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00615
Parent APIDesloratadine
CAS:117810-61-4
Mol. Weight:338.83 mol/g
Mol. Formula: C20H19ClN2O
Therapeutic Category :Antihistamine
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Desloratadine Related Compound B  (F04040)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00616
Parent APIDesloratadine
CAS:183198-49-4 (free base)
Mol. Weight:310.83 mol/g
Mol. Formula: C19H19ClN2
Therapeutic Category :Antihistamine
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Diphenhydramine Related Compound A  (R057W0)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00686
Parent APIDiphenhydramine
CAS:53499-40-4
Mol. Weight:277.79 mol/g
Mol. Formula: C16H20ClNO
Therapeutic Category :Antihistamine
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Diphenhydramine Related Compound B  (F016V0)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00687
Parent APIDiphenhydramine
CAS:19574-66-4
Mol. Weight:258.31 mol/g
Mol. Formula: C16H18O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin Related Compound N  (R030K0)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00792
Parent APIErythromycin
CAS:992-62-1
Mol. Weight:719.9 mol/g
Mol. Formula: C36H65NO13
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Erythromycin Gluceptate  (H)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00793
Parent APIErythromycin
CAS:23067-13-2
Mol. Weight:960.11 mol/g
Mol. Formula: C44H81NO21
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Fexofenadine Related Compound A  (H0M213)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00873
Parent APIFexofenadine
CAS:76811-98-8
Mol. Weight:499.64 mol/g
Mol. Formula: C32H37NO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Fexofenadine Related Compound B  (R06150)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00874
Parent APIFexofenadine
CAS:NA
Mol. Weight:556.13 mol/g
Mol. Formula: C32H42ClNO5
Therapeutic Category :Antihistamine
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Fexofenadine Related Compound C  (R032J0)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-00876
Parent APIFexofenadine
CAS:185066-37-9 (free base)
Mol. Weight:494.11 mol/g
Mol. Formula: C31H40ClNO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Hydroxyzine Related Compound A  (1333058)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-01070
Parent APIHydroxyzine
CAS:303-26-4
Mol. Weight:286.12 mol/g
Mol. Formula: C17H19ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Levocabastine Hydrochloride  (F0G317)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-01187
Parent APILevocabastine
CAS:79547-78-7
Mol. Weight:456.99 mol/g
Mol. Formula: C26H30ClFN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Levocabastine Related Compound A  (F0G318)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-01188
Parent APILevocabastine
CAS:80139-91-9
Mol. Weight:442.95 mol/g
Mol. Formula: C25H28ClFN2O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Levocetirizine Amide  (F02170)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-01191
Parent APICetirizine
CAS:909779-33-5
Mol. Weight:387.9 mol/g
Mol. Formula: C21H26ClN3O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Loratadine Related Compound C  (F1J365)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-01218
Parent APILoratadine
CAS:31251-41-9
Mol. Weight:243.69 mol/g
Mol. Formula: C14H10ClNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Loratadine Related Compound A  (R023T0)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-01219
Parent APILoratadine
CAS:100643-71-8
Mol. Weight:310.8 mol/g
Mol. Formula: C19H1ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Loratadine Related Compound B  (R049Q0)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-01220
Parent APILoratadine
CAS:38092-89-6
Mol. Weight:324.85 mol/g
Mol. Formula: C20H21ClN2
Therapeutic Category :Antihistamine
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Monoethanolamine  (F0D149)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-01418
Parent APIMonoethanolamine
CAS:141-43-5
Mol. Weight:61.08 mol/g
Mol. Formula: C2H7NO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Olopatadine Related Compound B  (R077Q0)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-01523
Parent APIOlopatadine
CAS:173174-07-7
Mol. Weight:353.41 mol/g
Mol. Formula: C21H23NO4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Olopatadine Related Compound C  (R065M0)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-01524
Parent APIOlopatadine
CAS:55453-87-7
Mol. Weight:268.26 mol/g
Mol. Formula: C16H12O4
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Phenyltoloxamine Related Compound A  (F0E128)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-01667
Parent APIPhenyltoloxamine
CAS:75859-72-2
Mol. Weight:277.79 mol/g
Mol. Formula: C16H20ClNO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Pyrilamine Maleate  (R08220)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-01819
Parent APIPyrilamine
CAS:59-33-6
Mol. Weight:401.45 mol/g
Mol. Formula: C21H27N3O5
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Triprolidine Hydrochloride Z-Isomer  (I0M185)
Available 1 Week
(USP Standards)
CAT No. : CS-EB-02176
Parent APITriprolidine
CAS:51657-91-1
Mol. Weight:314.85 mol/g
Mol. Formula: C19H23ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine impurity B (Y0000327)
Available 1 Week
(EP Standards)
CAT No. : CS-EG-00141
Parent APIAzelastine
CAS:110406-94-5
Mol. Weight:247.33 mol/g
Mol. Formula: C14H21N3O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine impurity D (Y0000328)
Available 1 Week
(EP Standards)
CAT No. : CS-EG-00142
Parent APIAzelastine
CAS:53242-88-9
Mol. Weight:270.71 mol/g
Mol. Formula: C15H11ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Azelastine impurity E (Y0000329)
Available 1 Week
(EP Standards)
CAT No. : CS-EG-00143
Parent APIAzelastine
CAS:20526-97-0
Mol. Weight:256.68 mol/g
Mol. Formula: C15H9ClO2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine impurity A (C0980651)
Available 1 Week
(EP Standards)
CAT No. : CS-EG-00306
Parent APICetirizine
CAS:303-26-4
Mol. Weight:286.12 mol/g
Mol. Formula: C17H19ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cetirizine for peak identification (Y0001197)
Available 1 Week
(EP Standards)
CAT No. : CS-EG-00307
Parent APICetirizine
CAS:83881-52-1
Mol. Weight:461.81 mol/g
Mol. Formula: C21H27Cl3N2O3
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Cyproheptadine impurity C (Y0001095)
Available 1 Week
(EP Standards)
CAT No. : CS-EG-00416
Parent APICyproheptadine
CAS:4046-24-6
Mol. Weight:305.41 mol/g
Mol. Formula: C21H23NO
Therapeutic Category :Antihistamine
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N-Demethylerythromycin A (D0350000)
Available 1 Week
(EP Standards)
CAT No. : CS-EG-00428
Parent APIErythromycin
CAS:992-62-1
Mol. Weight:719.9 mol/g
Mol. Formula: C36H65NO13
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desloratadine for system suitability (Y0001582)
Available 1 Week
(EP Standards)
CAT No. : CS-EG-00438
Parent APIDesloratadine
CAS:100643-71-8
Mol. Weight:310.8 mol/g
Mol. Formula: C19H1ClN2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Dehydroxydehydro Terfenadine
Available 1 Week
(Impurities)
CAT No. : CS-T-73329
Parent APITerfenadine
CAS:104953-06-2
Mol. Weight:453.66 mol/g
Mol. Formula: C₃₂H₃₉NO
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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α,α-Dimethylbenzeneacetic Acid
Available 1 Week
(Drug Intermediates)
CAT No. : CS-O-32304
Parent APIFexofenadine
CAS:826-55-1
Mol. Weight:164.2 mol/g
Mol. Formula: C10H12O2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Hydrobromide (3-(dimethylamino)propyl)triphenylphosphonium bromide
Available 1 Week
(Drug Intermediates)
CAT No. : CS-O-31383
Parent APIOlopatadine
CAS:27710-82-3
Mol. Weight:509.26 mol/g
Mol. Formula: C23H28Br2NP
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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(1-methyl-4-piperidinyl-3-[2-(3-chlorophinyl)-ethyl]Methanone Hydrochloride
Available 1 Week
(Drug Intermediates)
CAT No. : CS-O-10581
Parent APILoratadine
CAS:130642-50-1
Mol. Weight:342.86 mol/g
Mol. Formula: C20H23ClN2O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Triprolidine
Available 1 Week
(API Standards)
CAT No. : CS-O-30800
Parent APITriprolidine
CAS:486-12-4
Mol. Weight:278.39 mol/g
Mol. Formula: C19H22N2
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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Desloratadine N-Hydroxy Impurity
Available 1 Week
(Impurities)
CAT No. : CS-O-07783
Parent APIDesloratadine
CAS:1193725-73-3
Mol. Weight:326.82 mol/g
Mol. Formula: C₁₉H₁₉ClN₂O
Therapeutic Category :Antihistamine
Availability: Dispatch by : 26-Oct-2019 5:00 PM
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