Oseltamivir Pharmaceutical Reference Standards

OSELTAMIVIR IMPURITIES, IMPURITIES
(1R,5S,6R)-Ethyl 5-(Pentan-3-yloxy)-7- oxabicyclo[4.1.0]hept-3-ene-3- carboxylate


CAT No. : CS-O-37422
Mol F. : C14H22O4
Mol W. : 254.32 g/mol
Cas No. : 2413185-89-2
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
(1S,5S,6S)-5-(1-Ethyl-propoxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylic acid ethyl ester


CAT No. : CS-O-35866
Mol F. : C14H22O4-
Mol W. : 254.32 g/mol
Cas No. : 2413185-88-1
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
(3R,4R,5R)-4-Acetylamino-5-amino-3-(1-ethyl-propoxy)-cyclohex-1-enecarboxylic acid ethyl ester


CAT No. : CS-O-35872
Mol F. : C16H28N2O4
Mol W. : 312.4 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
(3R,4R,5R)-ethyl 4-(tert-butylamino)-5- (diallylamino)-3-(pentan-3- yloxy)cyclohex-1-enecarboxylate


CAT No. : CS-O-37426
Mol F. : C24H42N2O3
Mol W. : 406.60 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
(3R,4R,5S)-ethyl 4-(tert-butylamino)-5- (diallylamino)-3-hydroxycyclohex-1- enecarboxylate


CAT No. : CS-O-37427
Mol F. : C19H32N2O3
Mol W. : 336.47 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
(3R,4R,5S)-ethyl 4-(tert-butylamino)-5- hydroxy-3-(pentan-3-yloxy)cyclohex-1- enecarboxylate


CAT No. : CS-O-37423
Mol F. : C18H33NO4
Mol W. : 327.46 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
(3R,4R,5S)-ethyl 4-amino-5- (diallylamino)-3-(pentan-3- yloxy)cyclohex-1-enecarboxylate


CAT No. : CS-O-37428
Mol F. : C20H34N2O3
Mol W. : 350.50 g/mol
Cas No. : 1055035-67-0
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
(3R,4S,5R)-4-Acetylamino-5-amino-3-(1-ethyl-propoxy)-cyclohex-1-enecarboxylic acid ethyl ester


CAT No. : CS-O-35869
Mol F. : C16H28N2O4
Mol W. : C16H28N2O4 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
(3R,4S,5R)-ethyl 5-(tert-butylamino)-4- (diallylamino)-3-(pentan-3- yloxy)cyclohex-1-enecarboxylate


CAT No. : CS-O-37425
Mol F. : C24H42N2O3
Mol W. : 406.60 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
(3R,4S,5S)-4-Acetylamino-5-amino-3-(1-ethyl-propoxy)-cyclohex-1-enecarboxylic acid ethyl ester


CAT No. : CS-O-35871
Mol F. : C16H28N2O4
Mol W. : 312.4 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
(3R,4S,5S)-ethyl 5-(tert-butylamino)-4- hydroxy-3-(pentan-3-yloxy)cyclohex-1- enecarboxylate


CAT No. : CS-O-37424
Mol F. : C18H33NO4
Mol W. : 327.46 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
(3S,4R,5R)-ethyl 4-acetamido-5-amino-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate phosphate


CAT No. : CS-O-37431
Mol F. : C16H31N2O8P
Mol W. : 410.40 g/mol
Cas No. : 1240096-71-2
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
(3S,4R,5S)-4-Acetylamino-5-amino-3-(1-ethyl-propoxy)-cyclohex-1-enecarboxylic acid ethyl ester


CAT No. : CS-O-35870
Mol F. : C16H28N2O4
Mol W. : 312.4 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
(3S,4S,5R)-4-Acetylamino-5-amino-3-(1-ethyl-propoxy)-cyclohex-1-enecarboxylic acid ethyl ester


CAT No. : CS-O-35868
Mol F. : C16H28N2O4
Mol W. : 312.40 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR INTERMEDIATES, INTERMEDIATES
1,2-Dihydro-oseltamivir


CAT No. : CS-T-91141
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1052063-38-3
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
3-Des(1-ethylpropoxy)-3-(1-methylpropoxy) Oseltamivir


CAT No. : CS-T-52139
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1052063-37-2
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
4-N-Desacetyl-5-N-acetyl Oseltamivir


CAT No. : CS-T-15604
Mol F. : C₁₆H₂₈N₂O₄
Mol W. : 312.40 g/mol
Cas No. : 956267-10-0
Stock : IN-Stock

OSELTAMIVIR INTERMEDIATES, INTERMEDIATES
5-Azido Oseltamivir


CAT No. : CS-T-48356
Mol F. : C₁₆H₂₆N₄O₄
Mol W. : 338.40 g/mol
Cas No. : 204255-06-1
Stock : IN-Stock

OSELTAMIVIR STABLE ISOTOPES, STABLE ISOTOPES
5-Azido Oseltamivir-d3


CAT No. : CS-T-101880
Mol F. : C16H23D3N4O4
Mol W. : 341.42 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Acetamido azidesulfonamide


CAT No. : CS-O-46176
Mol F. : C17H31N5O6S
Mol W. : 433.52 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
ent-Oseltamivir Phosphate


CAT No. : CS-T-38121
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1035895-89-6
Stock : Enquire

OSELTAMIVIR INTERMEDIATES, INTERMEDIATES
Ethyl (3R,4R,5R)-3-(1-ethylpropoxy)-4-hydroxy-5-[(methylsulfonyl)oxy]-1-cyclohexene-1-carboxylate


CAT No. : CS-O-50890
Mol F. : C15H26O7S
Mol W. : 350.43 g/mol
Cas No. : 204254-92-2
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Ethyl (3S, 4S, 5S)-4-acetamido-5-amino-3-(1- ethyl propoxy) cyclohex-1-ene-1-carboxylate


CAT No. : CS-O-35947
Mol F. : C16H28N2O4
Mol W. : 312.40 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
ethyl 4-(pentan-3-yloxy)benzoate


CAT No. : CS-O-37429
Mol F. : C14H20O3
Mol W. : 236.31 g/mol
Cas No. : 1508446-15-8
Stock : Enquire

OSELTAMIVIR INTERMEDIATES, INTERMEDIATES
N-Desacetyl 5-Azido Oseltamivir


CAT No. : CS-T-15614
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 204255-04-9
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
N-Nitroso Oseltamivir impurity


CAT No. : CS-O-42888
Mol F. : C₁₄H₂₂N₂O₄
Mol W. : 282.34 g/mol
Cas No. : Not Available
Stock : IN-Stock

OSELTAMIVIR API STANDARDS, API STANDARDS
Oseltamivir


CAT No. : CS-L-00146
Mol F. : C₁₆H₂₈N₂O₄
Mol W. : 312.40 g/mol
Cas No. : 196618-13-0
Stock : IN-Stock

OSELTAMIVIR NITROSAMINE, NITROSAMINE
Oseltamivir (3R,4S,5S)-5-azido-Nitroso Impurity


CAT No. : CS-O-47826
Mol F. : C16H25N5O5
Mol W. : 367.4 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR STABLE ISOTOPES, STABLE ISOTOPES
Oseltamivir Acetamide D3


CAT No. : CS-O-16412
Mol F. : C16H25D3N2O4
Mol W. : 315.42 g/mol
Cas No. : 1093851-61-6
Stock : IN-Stock

OSELTAMIVIR STABLE ISOTOPES, STABLE ISOTOPES
Oseltamivir Acid 13C D3


CAT No. : CS-O-06841
Mol F. : C₁₃¹³CH₂₁D₃N₂O₄
Mol W. : 288.36 g/mol
Cas No. : 187227-45-8(Unlabeled)
Stock : Enquire

OSELTAMIVIR STABLE ISOTOPES, STABLE ISOTOPES
Oseltamivir acid D3


CAT No. : CS-O-03120
Mol F. : C₁₄H₂₁D₃N₂O₄
Mol W. : 287.37 g/mol
Cas No. : 1242184-43-5
Stock : IN-Stock

OSELTAMIVIR INTERMEDIATES, INTERMEDIATES
Oseltamivir Acid Hydrochloride


CAT No. : CS-T-59969
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1415963-60-8
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Acid Methyl Ester


CAT No. : CS-T-38115
Mol F. : C₁₅H₂₆N₂O₄
Mol W. : 298.38 g/mol
Cas No. : 208720-71-2
Stock : IN-Stock

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Acid Methyl Ester Phosphate Salt


CAT No. : CS-T-93755
Mol F. : C15H29N2O8P
Mol W. : 396.37 g/mol
Cas No. : 208720-71-2 (free base)
Stock : Enquire

OSELTAMIVIR INTERMEDIATES, INTERMEDIATES
Oseltamivir Acid Potassium Salt


CAT No. : CS-T-59968
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1363339-68-7
Stock : Enquire

OSELTAMIVIR METABOLITES, METABOLITES
Oseltamivir carboxylic acid


CAT No. : CS-O-07980
Mol F. : C₁₄H₂₄N₂O₄
Mol W. : 284.35 g/mol
Cas No. : 187227-45-8
Stock : IN-Stock

OSELTAMIVIR IMPURITIES, IMPURITIES
OSELTAMIVIR CITRIC ACID ADDUCT


CAT No. : CS-T-93528
Mol F. : C22H34N2O10
Mol W. : 486.5 g/mol
Cas No. : Not Available
Stock : IN-Stock

OSELTAMIVIR IMPURITIES, IMPURITIES
OSELTAMIVIR CITRIC ACID ADDUCT 2


CAT No. : CS-O-34386
Mol F. : C₂₂H₃₂N₂O₉
Mol W. : 468.50 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
OSELTAMIVIR CITRIC ACID ADDUCT II


CAT No. : CS-O-45307
Mol F. : C22H34N2O10
Mol W. : 486.51 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR STABLE ISOTOPES, STABLE ISOTOPES
Oseltamivir D3 (Ethyl-2,2,2-d3)


CAT No. : CS-O-06838
Mol F. : C₁₆H₂₅D₃N₂O₄
Mol W. : 315.42 g/mol
Cas No. : 196618-13-0(Unlabeled)
Stock : IN-Stock

OSELTAMIVIR STABLE ISOTOPES, STABLE ISOTOPES
Oseltamivir D3 Phosphate


CAT No. : CS-O-03329
Mol F. : C16H28N2O4
Mol W. : 312.4 g/mol
Cas No. : 2734920-81-9
Stock : IN-Stock

OSELTAMIVIR STABLE ISOTOPES, STABLE ISOTOPES
Oseltamivir D5 Hydrochloride


CAT No. : CS-O-06842
Mol F. : C₁₆H₂₄D₅ClN₂O₄
Mol W. : 353.90 g/mol
Cas No. : 1093851-63-8freebase
Stock : IN-Stock

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir diallyl amine impurity


CAT No. : CS-EO-03275
Mol F. : C22H36N2O4
Mol W. : 392.54 g/mol
Cas No. : 651324-09-3
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir EP Imp R


CAT No. : CS-O-43413
Mol F. : C14H23ClO4
Mol W. : 290.78 g/mol
Cas No. : 2762080-42-0
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir EP Imp U


CAT No. : CS-O-43414
Mol F. : C15H25ClO6S
Mol W. : 368.87 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir EP Impurity B


CAT No. : CS-EO-00348
Mol F. : C16H29N5O4
Mol W. : 355.43 mol/g g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir EP Impurity E HCl


CAT No. : CS-RS-00112
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 208720-78-9
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Fructose adduct-1


CAT No. : CS-EO-00096
Mol F. : C22H38N2O9
Mol W. : 474.55 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Fructose adduct-2


CAT No. : CS-EO-00097
Mol F. : C22H38N2O9
Mol W. : 474.55 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir glucose adduct-2


CAT No. : CS-EO-00095
Mol F. : C20H32N2O8
Mol W. : 428.48 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR API STANDARDS, API STANDARDS
Oseltamivir hydrochloride


CAT No. : CS-P-08533
Mol F. : C16H29ClN2O4
Mol W. : 348.87 g/mol
Cas No. : 204255-09-4
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 14


CAT No. : CS-EO-01347
Mol F. : C18H31NO3
Mol W. : 309.5 g/mol
Cas No. : 2417645-75-9
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 15


CAT No. : CS-EO-01348
Mol F. : C24H42N2O3
Mol W. : 406.6 g/mol
Cas No. : 651324-06-0
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 15


CAT No. : CS-P-08717
Mol F. : C14H26N2O3
Mol W. : 270.37 g/mol
Cas No. : Not Available
Stock : IN-Stock

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 19


CAT No. : CS-P-08719
Mol F. : C7H12N2O3
Mol W. : 172.18 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 24


CAT No. : CS-P-08718
Mol F. : C18H31NO3
Mol W. : 309.45 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 25


CAT No. : CS-P-08716
Mol F. : C16H27NO3
Mol W. : 281.40 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 28


CAT No. : CS-EO-01749
Mol F. : C16H28N2O4
Mol W. : 312.4 g/mol
Cas No. : 2413185-95-0
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 41


CAT No. : CS-EO-02184
Mol F. : C16H27N7O4
Mol W. : 381.4 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 48


CAT No. : CS-EO-02782
Mol F. : C14H23N3O4
Mol W. : 297.4 g/mol
Cas No. : 204254-98-8
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 52


CAT No. : CS-EO-02783
Mol F. : C15H25N3O6S
Mol W. : 375.4 g/mol
Cas No. : 1216260-26-2
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 6


CAT No. : CS-EO-01346
Mol F. : C18H33NO4
Mol W. : 327.5 g/mol
Cas No. : 651324-04-8
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 7


CAT No. : CS-EO-00098
Mol F. : C22H32N2O6
Mol W. : 420.50 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 8


CAT No. : CS-P-08195
Mol F. : C22H38N2O9
Mol W. : 474.55 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir impurity A


CAT No. : CS-O-15800
Mol F. : C₁₄H₂₄N₂O₄
Mol W. : 284.35 g/mol
Cas No. : 1364932-19-3
Stock : Enquire

OSELTAMIVIR EP STANDARDS, EP STANDARDS
Oseltamivir impurity C (Y0001340)


CAT No. : CS-EG-01019
Mol F. : C14H24N2O4
Mol W. : 284.4 g/mol
Cas No. : 187227-45-8
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Nitroso Impurity 1


CAT No. : CS-EO-02085
Mol F. : C₁₈H₃₂N₂O₅
Mol W. : 356.46 g/mol
Cas No. : Not Available
Stock : IN-Stock

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Nitroso Impurity 2


CAT No. : CS-EO-02086
Mol F. : C₂₄H₄₁N₃O₄
Mol W. : 435.6 g/mol
Cas No. : Not Available
Stock : IN-Stock

OSELTAMIVIR API STANDARDS, API STANDARDS
Oseltamivir Phosphate


CAT No. : CS-O-02016
Mol F. : C₁₆H₃₁N₂O₈P
Mol W. : 410.40 g/mol
Cas No. : 204255-11-8
Stock : IN-Stock

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Phosphate Impurity B


CAT No. : CS-O-51159
Mol F. : C16H29N5O4
Mol W. : 355.43 g/mol
Cas No. : 2413185-84-7
Stock : Enquire

OSELTAMIVIR USP STANDARDS, USP STANDARDS
Oseltamivir Phosphate (1479304)


CAT No. : CS-EB-02810
Mol F. : C16H31N2O8P
Mol W. : 410.40 g/mol
Cas No. : 204255-11-8
Stock : Enquire

OSELTAMIVIR STABLE ISOTOPES, STABLE ISOTOPES
Oseltamivir Phosphate 13CD3


CAT No. : CS-EO-02557
Mol F. : C1513CH28D3N2O8P
Mol W. : 414.41 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Pyrrole analog


CAT No. : CS-O-36190
Mol F. : C22H32N2O6
Mol W. : 420.50 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Related Compound A


CAT No. : CS-BX-00719
Mol F. : C16H29N5O4
Mol W. : 355.43 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Related Compound B


CAT No. : CS-O-10377
Mol F. : C₁₁H₁₃NO₄
Mol W. : 223.23 g/mol
Cas No. : 1346604-18-9
Stock : IN-Stock

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir RRR Isomer


CAT No. : CS-O-39386
Mol F. : C26H44N2O4
Mol W. : 448.6 g/mol
Cas No. : 2413185-96-1
Stock : Enquire

OSELTAMIVIR STABLE ISOTOPES, STABLE ISOTOPES
Oseltamivir-13C2,d3 Phosphate


CAT No. : CS-T-99921
Mol F. : C14¹³C2H28D3N2O8P
Mol W. : 415.4 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir-Glucose Adduct 1


CAT No. : CS-P-08172
Mol F. : C22H38N2O9
Mol W. : 474.55 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Rac- Oseltamivir hydroxymethyl furan


CAT No. : CS-O-52358
Mol F. : C22H32N2O6
Mol W. : 420.50 g/mol
Cas No. : Not Available
Stock : Enquire

OSELTAMIVIR IMPURITIES, IMPURITIES
Rel 4-N-Desacetyl-5-N-acetyl Oseltamivir Acid


CAT No. : CS-T-73947
Mol F. : Not Available
Mol W. : Not Available
Cas No. : 1391047-93-0
Stock : Enquire