Impurity Reference Standards
API Impurities
Process impurities, isomers, degradants and related compounds for thousands of APIs, characterised for method development, validation and QC release.
(αR,2R)-3,4-Dihydro-5-[(4-nitrophenyl)methyl]-α-phenyl-2H-pyrrole-2-methanol
- CAS
- 1628836-09-8
- Formula
- C18H18N2O3
- MW
- 310.3 g/mol
ZX-023012
(αR,γR)-γ-[[(1,1-Dimethylethoxy)carbonyl]amino]-α-methyl-[1,1'-biphenyl]-4-pentanoic Acid
- CAS
- 1012341-56-8
- Formula
- C23H29NO4
- MW
- 383.5 g/mol
ZX-026864
(αR)-N-[3-[3-(Difluoromethyl)phenyl]propyl]-α-methyl-1-naphthalenemethanamine
- CAS
- 1025064-41-8
- Formula
- C22H23F2N
- MW
- 339.4 g/mol
ZX-028622
(αR)-α-Methyl-N-[[3-(trifluoromethyl)phenyl]methyl]-1-naphthalenemethanamine Hydrochloride
- CAS
- 1229225-42-6
- Formula
- C20H19ClF3N
- MW
- 365.8 g/mol
ZX-028611
[(1R)-2-(Biphenyl-4-yl)-1-formylethyl]carbamic acid tert-butyl ester
- CAS
- 149709-58-0
- Formula
- C20H23NO3
- MW
- 325.4 g/mol
ZX-026865
[(1S)-3-Methyl-1-[[(2S)-2-methyloxiranyl]carbonyl]butyl]-carbamic Acid 1,1-Dimethylethyl Ester
- CAS
- 247068-83-3
- Formula
- C14H25NO4
- MW
- 271.35 g/mol
ZX-031083
[(4R)-2,2-Dimethyl-5-oxo-1,3-dioxolan-4-yl]acetic Acid
- CAS
- 113278-68-5
- Formula
- C7H10O5
- MW
- 174.15 g/mol
ZX-044654
[(R)-3-(3-Fluoro-4-morpholinophenyl)-2-oxo-5-oxazolidinyl]methanol
- CAS
- 168828-82-8
- Formula
- C14H17FN2O4
- MW
- 296.29 g/mol
ZX-033742
[1S-(1α,2α,3β,5α)]-3-(Phenylmethoxy)-2-[(phenylmethoxy)methyl]-6-oxabicyclo[3.1.0]hexane
- CAS
- 110567-22-1
- Formula
- C20H22O3
- MW
- 310.4 g/mol
ZX-024510
[2-[(1R)-3-(Di(propan-2-yl)amino)-1-phenylpropyl]-4-formylphenyl] isobutyrate
- CAS
- 1435768-96-9
- Formula
- C26H35NO3
- MW
- 409.6 g/mol
ZX-024727
[2-Cyclopropyl-4-(4-fluorophenyl)-quinolin-3-ylmethyl]-triphenyl-phosphonium bromido
- CAS
- 154057-58-6
- Formula
- C37H30BrFNP
- MW
- 618.5 g/mol
ZX-026443
[N-(2-Maleimidoethyl]ethylenediamine-N,N,N',N'-tetraacetic Acid, Monoamide
- CAS
- 1185102-85-5
- Formula
- C16H22N4O9
- MW
- 414.37 g/mol
ZX-044184
[R-(R*,S*)]-α-[(1-Carboxyethyl)amino]-γ-oxo-benzenebutanoic Acid Monoethyl Ester
- CAS
- 105167-27-9
- Formula
- C15H19NO5
- MW
- 293.31 g/mol
ZX-029257
[R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur
- CAS
- 75679-12-8
- Formula
- C14H15N5O6S2
- MW
- 413.4 g/mol
ZX-021124
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