Catalog division
Impurity Reference Standards
Pharmacopoeial impurities, nitrosamines, metabolites, labelled internal standards and API working standards, each backed by analytical data for method development and QC.
Ethyl 4-(prop-1-en-2-yl)-2-propyl-1H-imidazole-5-carboxylate
- CAS
- 157356-73-5
- Formula
- C12H18N2O2
- MW
- 222.28 g/mol
ZX-022348
Ethyl 4-[-β-(5-Methylpyrazine-2-carboxamido)ethyl]benzene Sulfonamide Carbamate
- CAS
- 1076198-09-8
- Formula
- C17H20N4O5S
- MW
- 392.4 g/mol
ZX-024955
Ethyl 4-cyano-3-imino-5-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-5-oxopentanoate
- CAS
- 2102039-99-4
- Formula
- C21H27N7O3
- MW
- 425.5 g/mol
ZX-027319
Ethyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonate
- CAS
- 1971915-89-5
- Formula
- C19H24N4O5S
- MW
- 420.5 g/mol
ZX-026929
Ethyl 4'-(2-acetoxyethoxy)-3'-bromo-[1,1'-biphenyl]-4-carboxylate
- CAS
- 895542-96-8
- Formula
- C19H19BrO5
- MW
- 407.3 g/mol
ZX-027406
Ethyl 4'-(2-acetoxyethoxy)-3''-(tert-butyl)-4''-(pyrrolidin-1-yl)-[1,1':3',1''-terphenyl]-4-carboxylate
- CAS
- 895543-08-5
- Formula
- C33H39NO5
- MW
- 529.7 g/mol
ZX-027407
Ethyl 5-(4-nitrosopiperazin-1-yl)benzofuran-2-carboxylate
- CAS
- 2512217-82-0
- Formula
- C15H17N3O4
- MW
- 303.31 g/mol
ZX-027580
Ethyl 5-formyl-2,4-dimethyl-1H-pyrrole-3-carboxylate
- CAS
- 2199-59-9
- Formula
- C10H13NO3
- MW
- 195.21 g/mol
ZX-045055
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