Reference standards play a crucial role in the development, testing, and regulation of anti-anxiety and anti-psychotic medications. These standards provide a benchmark against which the quality, potency, and purity of these drugs can be measured. They are used to ensure consistency and accuracy in the manufacturing process, as well as to assess the bioavailability and therapeutic efficacy of these medications. Reference standards help in establishing the identity, strength, and quality of the active ingredients, as well as in identifying potential impurities or contaminants. Additionally, they aid in the standardization of dosage forms, allowing for reliable comparisons between different drug products. By providing a standardized framework, reference standards contribute to the safety, effectiveness, and reliability of anti-anxiety and anti-psychotic medications, ultimately benefiting patients worldwide.

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Acepromazine CS-O-13123 API Standards
Acepromazine D6 CS-CX-00035 Stable Isotopes
Acepromazine D6 hydrochloride CS-O-13127 Stable Isotopes
Acepromazine D6 maleate CS-W-00131 Stable Isotopes
Acepromazine Hydrochloride CS-W-00339 API Standards
Acepromazine maleate CS-O-00938 API Standards
Acetophenazine Dimaleate CS-T-00315 Impurities
Acetophenazine Maleate CS-O-16143 API Standards
Acetyl guaiacol CS-O-14326 Impurities
Amisulpride CS-O-11594 API Standards

Amisulpride EP impurity A CS-O-30837 Impurities
Amisulpride EP impurity B CS-O-31219 Impurities
Amisulpride EP impurity C CS-O-11275 Impurities
Amisulpride EP impurity D CS-O-11276 Impurities
Amisulpride for system suitabi... CS-EG-00081 EP Standards
Amisulpride Hydrochloride D5 CS-O-06402 Stable Isotopes
Amisulpride N-Oxide CS-O-10029 Metabolites
Amisulpride-d5 N-Oxide CS-T-66315 Stable Isotopes
Antalarmin (Hydrochloride) CS-T-48284 API Standards
Aripiprazole impurity F (Y0001... CS-EG-00111 EP Standards
Baicalin hydrate CS-DK-00525 API Standards
Benzoctamine Hydrochloride CS-T-48656 API Standards
Bis(3-methylthien-2-yl)methano... CS-T-07131 Impurities
Blonanserin CS-T-07340 API Standards
Blonanserin Impurity 1 CS-P-00745 Impurities
Blonanserin Impurity 2 CS-P-00746 Impurities
Blonanserin Impurity 3 CS-P-00747 Impurities
Blonanserin Impurity 4 CS-P-00748 Impurities
Blonanserin Impurity 4-d8 CS-P-07328 Stable Isotopes
Blonanserin Impurity 5 CS-P-00749 Impurities
Blonanserin Impurity 6 CS-P-00750 Impurities
Brexpiprazole CS-CB-00057 API Standards
Brexpiprazole D8 CS-O-16108 Stable Isotopes
Brexpiprazole Dequinolinonyl CS-O-32839 Impurities
Brexpiprazole dihydrochloride CS-CW-00121 Impurities
Brexpiprazole Impurity 10 CS-P-00765 Impurities
Brexpiprazole Impurity 11 CS-P-00766 Impurities
Brexpiprazole Impurity 12 CS-P-00767 Impurities
Brexpiprazole Impurity 13 CS-P-00768 Impurities
Brexpiprazole Impurity 14 CS-P-00769 Impurities
Brexpiprazole Impurity 15 CS-P-03468 Impurities
Brexpiprazole Impurity 19 CS-P-07261 Impurities
Brexpiprazole Impurity 2 CS-P-00757 Impurities
Brexpiprazole Impurity 3 (Brex... CS-P-00758 Impurities
Brexpiprazole Impurity 4 CS-P-00759 Impurities
Brexpiprazole Impurity 5 HCl s... CS-P-00760 Impurities
Brexpiprazole Impurity 6 CS-P-00761 Impurities
Brexpiprazole Impurity 7 CS-P-00762 Impurities
Brexpiprazole Impurity 8 CS-P-00763 Impurities
Brexpiprazole sulfone CS-O-33198 Metabolites
Brexpiprazole sulfoxide CS-O-16172 Metabolites
Brexpiprazole-piperazin D8 CS-O-16168 Stable Isotopes
Bromantane CS-T-07840 Impurities
Bromperidol CS-T-09052 API Standards
Brompromazine Hydrochloride CS-T-49939 Intermediates
Buspirone EP Impurity B Bromid... CS-T-85854 Impurities
Butaperazine CS-T-09143 Impurities
Carpipramine CS-O-16059 API Standards
Carpipramine D6 CS-AP-00008 Stable Isotopes
Carpipramine Dihydrochloride CS-T-50393 API Standards
Chlorphenamine Impurity A dihy... CS-DH-00037 Impurities
Chlorphenamine Impurity C CS-DH-00013 Impurities
Chlorphenamine impurity C (Y00... CS-EG-00626 EP Standards
Chlorphenamine maleate (C18000... CS-EG-00324 EP Standards
Chlorprothixene D6 CS-W-00344 Stable Isotopes
Chlorprothixene Hydrochloride CS-T-12778 API Standards
cis-(Z)-Flupentixol Dihydrochl... CS-T-54959 Chiral
Cis-5-Norbornene-exo-2,3-dicar... CS-O-31314 Impurities
Clocapramine Dihydrochloride CS-T-90136 Impurities
Clopenthixol CS-O-10481 API Standards
Cyamemazine CS-T-13517 API Standards
Cyamemazine D6 Maleate CS-O-06513 Stable Isotopes
Cyamemazine Maleate CS-O-07708 API Standards
Cyamemazine Tartrate CS-O-07709 Intermediates
Dehydro Iloperidone CS-O-14311 Impurities
Desfluoro Iloperidone CS-T-52153 Impurities
Desfluoro Pimavanserin CS-EO-00105 Metabolites
Desmethyl Promazine CS-EO-00075 Impurities
Dexmedetomidine CS-T-16692 Intermediates
Dexmedetomidine D3 Tartrate CS-A-00280 Stable Isotopes
Dibenzo[b,f][1,4]thiazepine-11... CS-M-56459 Intermediates
Dihydro Flupentixol CS-T-53117 Impurities
Dihydro Nicotyrine CS-T-18855 Intermediates
Dihydro Nicotyrine D3 CS-T-53071 Stable Isotopes
Droperidol CS-T-21406 API Standards
Droperidol Impurity A CS-P-00963 Impurities
Droperidol Impurity D CS-P-00964 Impurities
Droperidol Impurity E HCl CS-P-00965 Impurities
Etazolate CS-T-54276 API Standards
Ethyl Iloperidone CS-O-14307 Impurities
Etifoxine CS-P-00425 API Standards
Etifoxine Hydrochloride CS-T-23284 Intermediates
flupenthixol CS-O-13749 API Standards
Flupentixol Decanoate CS-O-04373 API Standards
Flupentixol decanoate IHS Impu... CS-EN-00061 Impurities
Flupentixol Dihydrochloride CS-O-04376 API Standards
Flupentixol EP Impurity A CS-O-13872 Impurities
Flupentixol EP Impurity B CS-O-13873 Impurities
Flupentixol EP Impurity C CS-O-13874 Impurities
Flupentixol EP Impurity D CS-T-27342 Impurities
Flupentixol EP Impurity E CS-O-13875 Impurities
Flupentixol EP Impurity F CS-O-11019 Impurities
Flupentixol Impurity 1 CS-P-08019 Impurities
Flupentixol Impurity 2 CS-P-08020 Impurities
Fluphenazine Dihydrochloride CS-O-01556 API Standards
Fluphenazine hydrochloride IHS... CS-EN-00067 Impurities
Fluspirilene CS-T-24500 API Standards
Gepirone CS-P-01384 Impurities
Gepirone-D8 CS-P-01018 Stable Isotopes
Hydroxy Cariprazine CS-O-33016 Impurities
Hydroxy Iloperidone CS-O-07860 Metabolites
Iloperidone CS-O-01424 API Standards
Iloperidone 13CD3 CS-O-03643 Stable Isotopes
Iloperidone Carboxylic Acid CS-O-07861 Metabolites
Iloperidone D3 CS-O-06673 Stable Isotopes
Iloperidone D3 Hydrochloride CS-O-02812 Stable Isotopes
Iloperidone Dimer Impurity CS-O-14677 Impurities
Iloperidone Impurity B CS-O-31665 Impurities
Iloperidone P88 D3 CS-O-06672 Stable Isotopes
Isoguvacine CS-O-14333 Impurities
Isonicotine CS-T-29788 Impurities
Levomepromazine CS-O-04611 API Standards
Levomepromazine D6 hydrochlori... CS-O-15595 Stable Isotopes
Levomepromazine maleate CS-O-30631 API Standards
Levomepromazine-D6 maleate CS-O-15335 Stable Isotopes
Levosulpiride CS-O-01769 API Standards
Levosulpiride-d3 CS-P-00079 Stable Isotopes
Loxapine CS-BB-00027 Intermediates
Loxapine N-Oxide CS-O-10016 Metabolites
Loxapine Succinate salt CS-O-30637 API Standards
Loxapine-d8 Hydrochloride CS-T-57308 Stable Isotopes
Lurasidone cyclohexene impurit... CS-O-33209 Impurities
Lurasidone Piperazine N-Oxide CS-T-93288 Impurities
Melperone Hydrochloride CS-O-11687 Impurities
Mepiprazole Dihydrochloride CS-T-31819 Impurities
Meprobamate D7 CS-T-57545 Stable Isotopes
Mesoridazine D4 CS-O-33334 Stable Isotopes
Methyl 4-amino-5-ethylsulfonyl... CS-O-31291 Intermediates
Methyl 4-Methylnicotinate CS-T-34380 Fine Chemicals
Methyl nicotinate CS-T-34479 Fine Chemicals
Mirtazapine N-Oxide CS-T-58857 Metabolites
Molindone D8 CS-T-58894 Stable Isotopes
Molindone Hydrochloride CS-T-58893 API Standards
Monoethyl Fumarate CS-O-01932 Fine Chemicals
Moperone CS-T-58958 API Standards
N-​[4-​Chloro-​2-​(2-​chlorobe... CS-T-70461 Impurities
N-Benzyloxycarbonyl-4-(4-chlor... CS-T-05961 Impurities
N-Benzyloxycarbonyl-4-(4-chlor... CS-T-48972 Stable Isotopes
N-Desethyl Etifoxine CS-T-15883 Impurities
N-desmethyl cyamemazine maleat... CS-O-06078 Metabolites
N-Desmethyl Pimavanserin CS-O-32529 Metabolites
Nefazodone Hydrochloride CS-T-59206 API Standards
Nefazodone Related Compound A CS-K-00088 Impurities
Nemonapride CS-T-59210 Intermediates
Nicotelline D8 CS-T-59248 Stable Isotopes
Nicotine bitartrate CS-O-30986 API Standards
Nicotine D3 CS-O-06811 Stable Isotopes
Nicotine bitartrate CS-O-30688 API Standards
Nicotine-D3-β-D-Glucuroni... CS-T-59175 Stable Isotopes
N-Methyl Amisulpride CS-P-00610 Impurities
N-Methyl Amisulpride-D3 CS-P-00611 Stable Isotopes
N-Methylnicotinamide iodide CS-O-05891 Metabolites
Opipramol CS-O-02014 API Standards
Perazine CS-O-14095 API Standards
Perazine Dihydrochloride CS-T-60271 API Standards
Perazine Dimalonate CS-O-05002 API Standards
Pericyazine CS-T-60279 API Standards
Perospirone hydrochloride dihy... CS-EL-00159 Intermediates
Phenyl Ether CS-T-39504 Impurities
Pimavanserin CS-T-39971 API Standards
Pimavanserin D9 CS-O-15746 Stable Isotopes
Pipamperone Dihydrochloride CS-T-40031 API Standards
Pipotiazine Palmitate CS-T-60631 Impurities
Prazosin CS-O-02123 API Standards
Prazosin Hydrochloride CS-O-11718 API Standards
Prazosin N-glucuronide CS-O-14723 Glucuronides
Promazine Hydrochloride CS-O-11722 API Standards
Propionylpromazine Hydrochlori... CS-T-40693 Intermediates
Propofol 4-Carboxylic Acid CS-T-40710 Impurities
Propofol D15 CS-O-32579 Stable Isotopes
Propofol D17 CS-O-06890 Stable Isotopes
Propofol Glucuronide-D17 CS-T-63081 Stable Isotopes
Propofol Related Compound A CS-K-00111 Impurities
Propofol-β-D-Glucuronide CS-T-60817 Glucuronides
Quetiapine fumarate (Y0001657) CS-EG-02068 EP Standards
R-(+)-Cotinine CS-T-51275 Impurities
R-(+)-Nicotine Di-p-toluoyl-D-... CS-T-59268 Intermediates
R-(R)-Nicotine CS-T-59261 Impurities
rac-Nicotine 13CD3 CS-T-59259 Stable Isotopes
rac-Nicotine D4 CS-T-59260 Stable Isotopes
rac-Nicotine-1,2’,3’,4’,5’,6’-... CS-T-82953 Stable Isotopes
rac-trans 3'-Aminomethyl Nicot... CS-T-03016 Impurities
S-(-)-Cotinine CS-T-13362 Intermediates
S,S Exo Lursidone CS-O-16879 Impurities
Saredutant CS-P-01144 API Standards
Sulpiride CS-O-02320 API Standards
Sulpiride D5 CS-O-16829 Stable Isotopes
Sultopride Hydrochloride CS-T-61551 API Standards
Tandospirone CS-T-61587 API Standards
Tandospirone D8 CS-O-01205 Stable Isotopes
Thioridazine EP Impurity C CS-T-44253 Impurities
Thioridazine EP Impurity E CS-O-08294 Impurities
Thioridazine Hydrochloride CS-O-11756 API Standards
Thioridazine-d3 5-Sulfoxide CS-T-44254 Stable Isotopes
Thioridazine-d3 Hydrochloride CS-T-62029 Stable Isotopes
Thiothixene D8 CS-O-32911 Stable Isotopes
Timiperone CS-T-62079 API Standards
Tofisopam CS-O-30804 API Standards
Tofisopam impurity C CS-O-32558 Impurities
Trans (E) Clopenthixol acetate... CS-O-07671 Impurities
trans-(E)-Flupentixol Dihydroc... CS-T-54960 Impurities
trans-2-(Chloromethyl)cyclohex... CS-T-71698 Intermediates
trans-3-Hydroxy Cotinine CS-T-27033 Intermediates
Trazadone CS-ED-00051 API Standards
Triflupromazine Hydrochloride CS-T-62383 API Standards
Zotepine CS-O-11774 API Standards
Zuclopenthixol acetate CS-O-02591 Impurities
Zuclopenthixol acetate EP Impu... CS-EN-00056 Impurities
Zuclopenthixol decant impurity CS-O-05546 Impurities
Zuclopenthixol Deconate 2 HCl CS-O-14594 Impurities
Zuclopenthixol diHydrochloride CS-O-31171 API Standards
"(+)-trans-1,2-Cyclohexanedica... CS-O-31317 Impurities
"(+/-)-Trans-1,2-Cyclohexanedi... CS-O-31316 Intermediates
"(1R,2R)-Cyclohexane-1,2-dicar... CS-O-31312 Impurities
"(2,3-difluorophenyl)-piperidi... CS-O-14327 Impurities
"(2,6-difluorophenyl)(piperidi... CS-O-14330 Impurities
"(3,5-dimethyl phenyl)(2-nitro... CS-O-16862 Impurities
"1-(4-Bromobutyl)-3,4-dihydro-... CS-T-68042 Impurities
"1-chloro-2,6-dinitrobenzene" CS-EC-00005 Impurities
"2,4-Difluorophenyl 4-Piperidi... CS-T-90432 Impurities
"2,7-bis(4-chlorobutoxy)-Quino... CS-O-32942 Impurities
"2-Allyl-2-methyl-1,3-propaned... CS-T-01698 Metabolites
"3-((2-Oxo-1,2,3,4-tetrahydroq... CS-T-84547 Impurities
"3-Chloro-N,N-bis(2-chloroethy... CS-T-11247 Impurities
"5-[2-[4-(1,2-Benzisothiazol-3... CS-T-05055 Impurities
"5-chloroethyl-6-chloro-1,3-di... CS-O-32387 Intermediates
"6-Chloro-2-(chloromethyl)-4-(... CS-T-11511 Impurities
"6-fluoro-3-(1,2,3,6-tetrahydr... CS-O-14337 Impurities
"6-fluoro-3-(1,2,3,6-tetrahydr... CS-O-14336 Impurities
"6-Methoxy-3-[4-(N-benzyloxyca... CS-T-32255 Impurities
"7-(4-Methoxybutoxy)-3,4-dihyd... CS-T-79920 Impurities
"8,8'-(1,4-Butanediyl)bis-8-az... CS-T-49993 Impurities
"bis(2-(4-(2-((2,4-dimethylphe... CS-O-16861 Impurities
"Cis-5-Norbornene-endo-2,3-dic... CS-O-31315 Intermediates
"Dibenzo[b,f][1,4]thiazepin-11... CS-O-15319 Impurities
"Dibenzo[b,f][1,4]-thiazepin-1... CS-DO-00010 Impurities
"N1-(2-chloroethyl)-N2-(2-((2,... CS-T-63121 Impurities
(1S,2S)-Nicotine 1-Oxide CS-T-59177 Intermediates
(2,4-difluorophenyl)(piperidin... CS-O-14250 Impurities
(2,5-difluorophenyl)-(4-piperi... CS-O-14328 Impurities
(2-Fluorophenyl)-4-piperidinyl... CS-O-14332 Impurities
(3aR,4S,7R,7aS) 4,7-methano-1H... CS-O-31310 Intermediates
(R,R)-1,2-bis(methanesulfonylo... CS-O-31311 Chiral
(S)-(-)-Nicotine-15N CS-T-83661 Stable Isotopes
(S)-1-Methylnicotinium Iodide CS-T-58436 Impurities
(S)-6-Chloro-4-iodonicotine CS-T-11800 Impurities
(S)-6-Chloro-5-iodonicotine CS-T-11801 Impurities
(S)-6-Chloronicotine CS-T-12052 Impurities
(S)-6-Hydroxy Nicotine CS-T-56251 Impurities
(S)-Cotinine N-Oxide CS-T-51279 Impurities
(S)-Nornicotine CS-T-59752 Impurities
(Z)-Thiothixene CS-T-86773 Impurities
[13C2]-1-Hydroxymidazolam CS-EK-00523 Stable Isotopes
[4-[4-(4-Chlorophenyl)-4-hydro... CS-T-50908 Impurities
1-(3-Carboxy-2-pyridyl)-4-meth... CS-T-10477 Intermediates
1,2,3,6-Tetra-dehydro Droperid... CS-T-86753 Impurities
1,2,4-Triazolo[4,3-a]pyridine-... CS-O-31765 Intermediates
1,2-Benzisothiazole-3(2H)-One CS-O-31458 Pesticides
1,3-bis(4-isobutoxybenzyl)urea CS-EO-00104 Impurities
1-[4-(3-hydroxypropoxy)-3-meth... CS-O-14335 Impurities
1-[4-[4-(2,3-Dichlorophenyl)pi... CS-T-89091 Impurities
1-[4-[4-(2,3-Dichlorophenyl)pi... CS-T-91082 Impurities
1-[4-Chloro-2-(1'-hydroxy-1'-m... CS-T-11680 Impurities
10-(3-Chloropropyl)-2-(trifluo... CS-T-12584 Intermediates
1-Acetyl Isonipecotoyl Chlorid... CS-T-00896 Impurities
1-Methyl-3-(3'-pyridylcarbonyl... CS-T-58542 Stable Isotopes
1-Oxo Perazine CS-T-38450 Fine Chemicals
2-((2-chloroethyl)amino)ethan-... CS-ED-00020 Impurities
2-((3,5-dimethylphenyl)thio) a... CS-O-16863 Impurities
2-(1H-indol-5-yl)-N-methyletha... CS-O-31863 Intermediates
2-(Methylsulfonyl)phenothiazin... CS-T-34968 Impurities
2-(trifluoromethyl)-9H-thioxan... CS-M-06289 Metabolites
2,4-Difluoro phenyl (4-Piperid... CS-O-10586 Impurities
2,5-difluorophenyl)-piperidin-... CS-O-14329 Impurities
2,5-Diisopropylphenol CS-T-90757 Impurities
2,6-Diisopropyl-1,4-benzoquino... CS-T-19395 Impurities
2-Allyl-2-methylmalonic Acid E... CS-T-01697 Impurities
2-Amino Diphenylsulfide CS-O-32389 Intermediates
2-Amino-2',5-dichlorobenzophen... CS-T-02372 Fine Chemicals
2-aminomethyl-7-chloro-2,3-dih... CS-CQ-00002 Intermediates
2-Bromo-acetamide-2,5-dichloro... CS-T-07857 Intermediates
2-chlorophenothiazine CS-T-12208 Intermediates
2-Cyano-phenothiazine CS-O-07707 Intermediates
2-Ethylfluorobenzene CS-T-22802 Impurities
2'-Hydroxy-3'-methoxyacetophen... CS-T-27686 Impurities
2-Isopropylphenol CS-T-30008 Impurities
2-Methoxy-5-sulfamoylbenzamide CS-T-34972 Intermediates
2-Methoxy-5-sulfamoylbenzoic A... CS-T-58600 Stable Isotopes
3-(2-Chloroethyl)-2-Methyl-6,7... CS-O-31450 Intermediates
3-(2-Chloroethyl)-2-methyl-9-b... CS-O-31759 Impurities