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.
Rel-((2R,4S)-2-((1H-1,2,4-Triazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methanol
- CAS
- 67914-85-6
- Formula
- C13H13Cl2N3O3
- MW
- 330.16 g/mol
ZX-030049
Rel-(1R,2R)-1-(6-Bromo-2-methoxyquinolin-3-yl)-4-(dimethylamino)-2-(naphthalen-1-yl)-1-phenylbutan-2-ol
- CAS
- 654653-92-6
- Formula
- C64H62Br2N4O4
- MW
- 1111 g/mol
ZX-028201
Rel-(1R,2S)-2-[(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)methyl]-N,N-diethyl-1-phenylcyclopropanecarboxamide
- CAS
- 105310-75-6
- Formula
- C23H24N2O3
- MW
- 376.4 g/mol
ZX-033856
Rel-(1R,3r,5S)-3-Hydroxyspiro[bicyclo[3.2.1]octane-8,1'-pyrrolidin]-8-ium chloride
- CAS
- 3464-71-9
- Formula
- C11H20ClNO
- MW
- 217.73 g/mol
ZX-020411
Rel-(1S,2S,3R,4R)-3-((R)-1-Acetamido-2-ethylbutyl)-4-amino-2-hydroxycyclopentane-1-carboxylic Acid
- CAS
- 1624261-89-7
- Formula
- C14H26N2O4
- MW
- 286.37 g/mol
ZX-031791
Rel-(2R,3R)-3-Amino-2-methyl-4-oxoazetidine-1-sulfonic Acid
- CAS
- 112026-42-3
- Formula
- C4H8N2O4S
- MW
- 180.19 g/mol
ZX-033079
Rel-(5R,6S)-2-((4-Chlorophenyl)amino)-5-hydroxy-6-((1R,2R)-1,2,3-trihydroxypropyl)-5,6-dihydro-4H-1,3-oxazin-4-one
- CAS
- 2518301-34-1
- Formula
- C13H15ClN2O6
- MW
- 330.72 g/mol
ZX-023903
Rel-4-(2-((2R,3S)-3-(2,5-Difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl)thiazol-4-yl)benzonitrile
- CAS
- 1797905-83-9
- Formula
- C22H17F2N5OS
- MW
- 437.5 g/mol
ZX-025170
Rel-Benzyl (2R,3aS,6aS)-octahydrocyclopenta[b]pyrrole-2-carboxylate hydrochloride
- CAS
- 87679-25-2
- Formula
- C15H20ClNO2
- MW
- 281.78 g/mol
ZX-032104
Rel-Benzyl (3R,4R)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate
- CAS
- 2304514-60-9
- Formula
- C16H20BrNO3
- MW
- 354.24 g/mol
ZX-027474
Rel-Methyl (2R,3S)-3-amino-2-hydroxy-3-phenylpropanoate
- CAS
- 131968-74-6
- Formula
- C10H13NO3
- MW
- 195.21 g/mol
ZX-039050
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