Reference standards play a crucial role in the development and regulation of anti-emetics, which are medications used to prevent or treat nausea and vomiting. These standards serve as a benchmark against which the quality, identity, and potency of anti-emetic drugs can be measured. They provide a standardized set of criteria and parameters that ensure the consistency and reliability of these medications. By using reference standards, manufacturers can verify the purity and potency of their products, which in turn enhances patient safety and therapeutic efficacy. Additionally, these standards enable regulatory authorities to assess the quality and equivalence of different anti-emetics, making it easier to approve and monitor their use in clinical practice. Overall, reference standards are essential tools that ensure the quality and effectiveness of anti-emetics, ultimately benefiting patients by providing reliable and consistent treatment options for nausea and vomiting.

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Alizapride Hydrochloride CS-T-01593 API Standards
Alosetron D3 CS-O-02839 Stable Isotopes
Alosetron hydrochloride CS-O-11589 API Standards
Alosetron Impurity 310 Da CS-DN-00041 Impurities
Alosetron N-ß-D-Glucuronide CS-T-64619 Glucuronides
Azasetron 13C,D3 Hydrochloride CS-T-48458 Stable Isotopes
Azasetron Hydrochloride CS-T-48456 API Standards
Azasetron-d3 Hydrochloride CS-T-48457 Stable Isotopes
Benzodiazepine CS-R-00519 API Standards
Chlor Cyclizine Hydrochloride CS-T-11056 Impurities

Chlorcyclizine Hydrochloride CS-O-06248 API Standards
Cinnarizine CS-O-30877 API Standards
Cinnarizine D8 CS-T-51142 Stable Isotopes
Cinnarizine D8 Dihydrochloride CS-O-02994 Stable Isotopes
Cinnarizine EP Impurity A CS-O-05892 Metabolites
Cinnarizine EP Impurity B CS-O-07634 Impurities
Cinnarizine EP Impurity C CS-O-07635 Impurities
Cinnarizine EP Impurity D CS-O-07636 Impurities
Cinnarizine EP Impurity E CS-O-07637 Impurities
Cyclizine Hydrochloride CS-O-01138 API Standards
Cyclizine impurity A (Y0000886... CS-EG-00412 EP Standards
Cyclizine impurity B (Y0000887... CS-EG-00413 EP Standards
Cyclizine D3 CS-O-02640 Stable Isotopes
Desmethyl Doxylamine succinate... CS-O-06054 Metabolites
Domperidone CS-T-21290 API Standards
Domperidone D6 CS-O-03072 Stable Isotopes
Domperidone EP Impurity B CS-O-31101 Impurities
Domperidone EP Impurity C CS-O-13691 Impurities
Domperidone Impurity D CS-O-10167 Impurities
Domperidone Impurity E CS-P-07712 Impurities
Domperidone Impurity F CS-O-10166 Impurities
Domperidone maleate CS-O-00275 API Standards
Domperidone Maleate (1:1) CS-ZH-30052 API Standards
Doxylamine CS-P-07702 API Standards
Doxylamine D5 Succinate CS-O-03085 Stable Isotopes
Doxylamine Di-N-Oxide CS-P-07704 Metabolites
Doxylamine Impurity A Hydrochl... CS-P-07703 Impurities
Doxylamine Impurity B hydrochl... CS-DH-00034 Impurities
Doxylamine Impurity-1 CS-DN-00004 Impurities
Doxylamine N-Oxide CS-T-21378 Impurities
Doxylamine succinate CS-O-00246 API Standards
Doxylamine-N-oxide oxalate CS-DH-00038 Metabolites
Hydroxymethyl Alosetron CS-O-13301 Metabolites
Indisetron hydrochloride CS-P-01046 API Standards
Isonicotinamide CS-T-29786 API Standards
Isonicotinamide D4 CS-T-56826 Stable Isotopes
Itopride Hydrochloride CS-O-30950 API Standards
Meclizine D8 CS-P-08123 Stable Isotopes
Meclizine Dihydrochloride CS-O-04675 API Standards
Meclizine Hydrochloride CS-O-01897 API Standards
Meclizine N,N'-Dioxide CS-T-31660 Impurities
Meclizine N-Oxide CS-O-06096 Metabolites
Metoclopramide CS-O-30644 API Standards
Metoclopramide D3 CS-O-06769 Stable Isotopes
Metoclopramide EP Impurity A CS-T-00963 Impurities
Metoclopramide EP Impurity B CS-T-57880 Impurities
Metoclopramide EP Impurity C CS-O-12012 Impurities
Metoclopramide EP Impurity D CS-O-31766 Impurities
Metoclopramide EP Impurity E CS-T-18088 Impurities
Metoclopramide EP Impurity F CS-O-12014 Impurities
Metoclopramide EP Impurity G CS-O-12011 Impurities
Metoclopramide EP Impurity H CS-T-47109 Impurities
Metoclopramide hydrochloride CS-O-10482 API Standards
Metoclopramide N4-β-D-Glu... CS-T-58830 Glucuronides
N,N-Didesmethyldoxylamine CS-T-17949 Impurities
N-Desethyl Metoclopramide CS-T-15888 Intermediates
N-Desmethyl Alosetron CS-O-13299 Metabolites
Niacin Metabolite (N-Methyl-2-... CS-O-05873 Metabolites
Nicotinamide N-Oxide CS-T-59252 Impurities
Nicotinamide-d4 N-Oxide CS-T-59253 Stable Isotopes
Nicotinamide-N-15N CS-O-14493 Stable Isotopes
Nicotinic Acid 13C1 CS-T-59277 Stable Isotopes
Nicotinic Acid 13C6 CS-T-59276 Stable Isotopes
Nicotinic Acid D1 CS-T-59273 Stable Isotopes
Nicotinic Acid D3 CS-T-59274 Stable Isotopes
Nicotinic acid D4 CS-O-02825 Stable Isotope Reagent
Nicotinuric acid CS-O-03508 Metabolites
Nicotinuric Acid D4 CS-O-06812 Stable Isotopes
Nudifloramide CS-O-10017 Metabolites
Nudifloramide D3 CS-T-59803 Stable Isotopes
o-Nitrofluorobenzene CS-T-59423 Intermediates
Pyridine 15N CS-T-60936 Stable Isotopes
R -Ramosetron CS-O-08098 Chiral
Ramosetron D3 Hydrochloride CS-O-02995 Stable Isotopes
Ramosetron Hydrochloride CS-O-31016 API Standards
R-Desmethyl Doxylamine CS-T-88452 Impurities
S-Ramosetron CS-O-08097 Chiral
ß-Nicotinamide Adenine Dinucle... CS-Y-00166 Stable Isotopes
Tropisetron Hydrochloride CS-T-46013 API Standards
"(4-Chloro-3,5-dimethylpyridin... CS-T-11726 Impurities
"1-(3-Bromopropyl)-1,3-dihydro... CS-T-49865 Impurities
"3-(3-Bromopropyl)-2,3-dihydro... CS-T-49874 Impurities
"4-Chloro-3,5-dimethylpicolini... CS-T-11727 Impurities
"4-Chloro-3,5-dimethylpicolino... CS-T-11730 Impurities
(-)-Doxylamine hydrochloride CS-O-10195 Chiral
(+)-Doxylamine hydrochloride CS-O-10196 Chiral
(S)-Desmethyl Doxylamine CS-T-89028 Impurities
1-(3-Chloropropyl)-1,3-dihydro... CS-T-12476 Intermediates
1-(prop-1-en-2-yl)-1H-benzo[d]... CS-O-31563 Intermediates
1-Methylpiperazine CS-T-58589 Fine Chemicals
1-Phenyl-1-(2-pyridyl)ethanol ... CS-T-60501 Stable Isotopes
2,3,4,5-tetrahydro-5-methyl-1h... CS-O-10724 Intermediates
3,4-Didehydro Alosetron CS-P-07183 Impurities
3-Pyridinecarboxaldehyde CS-T-41041 Intermediates
4-(Chloromethyl)-5-methyl-1-(t... CS-O-10725 Intermediates
4-Amino-2-Methyl-10H-Thieno[2,... CS-O-31463 Intermediates
4-Hydroxy Alosetron CS-P-08130 Metabolites
5-chloro-1-(piperidin-4-yl)-2,... CS-O-31562 Intermediates
6-Hydroxy Alosetron HCl CS-P-00568 Impurities
7-Hydroxy Alosetron HCl CS-P-00567 Impurities