Impurity Reference Standards
API Impurities
Process impurities, isomers, degradants and related compounds for thousands of APIs, characterised for method development, validation and QC release.
(S)-1,2,3,4-Tetrahydro-1-phenylisoquinoline D-(-)-tartrate
- CAS
- 869884-00-4
- Formula
- C19H21NO6
- MW
- 359.4 g/mol
ZX-032548
(S)-1'-(tert-Butyl)-3-chloro-5,7-dihydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridin]-2'(1'H)-one
- CAS
- 1455358-14-1
- Formula
- C18H18ClN3O
- MW
- 327.8 g/mol
ZX-033061
(S)-10,11-Dihydro-5H-dibenzo[b,f]azepin-10-yl acetate
- CAS
- 1431547-12-4
- Formula
- C16H15NO2
- MW
- 253.29 g/mol
ZX-026246
(S)-2-((2-Amino-2-oxoethyl)(2-(3,5-dioxopiperazin-1-yl)propyl)amino)acetic Acid
- CAS
- 120418-76-0
- Formula
- C11H18N4O5
- MW
- 286.28 g/mol
ZX-028951
(S)-2-((2-Oxo-3-phenyloxazolidin-5-yl)methyl)isoindoline-1,3-dione
- CAS
- 2137914-93-1
- Formula
- C18H14N2O4
- MW
- 322.3 g/mol
ZX-032251
(S)-2-((6-(3-Aminopiperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrile
- CAS
- 1108732-05-3
- Formula
- C18H21N5O2
- MW
- 339.4 g/mol
ZX-027785
(S)-2-((R)-6-Fluorochroman-2-yl)-2-(tosyloxy)ethyl acetate
- CAS
- 1345202-53-0
- Formula
- C20H21FO6S
- MW
- 408.4 g/mol
ZX-025775
(S)-2-((S)-4-Methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamido)-3-phenylpropanoic Acid
- CAS
- 868540-16-3
- Formula
- C31H42N4O6
- MW
- 566.7 g/mol
ZX-028470
(S)-2-((tert-Butoxycarbonyl)amino)-2-((1s,3R,5S,7R)-4-oxoadamantan-1-yl)acetic acid
- CAS
- 2173146-31-9
- Formula
- C17H25NO5
- MW
- 323.4 g/mol
ZX-032413
(S)-2-((tert-Butoxycarbonyl)amino)-3-(4-iodophenyl)propanoic Acid
- CAS
- 62129-44-6
- Formula
- C14H18INO4
- MW
- 391.2 g/mol
ZX-038885
(S)-2-((tert-Butoxycarbonyl)amino)-4-cyclohexylbutanoic acid
- CAS
- 143415-51-4
- Formula
- C15H27NO4
- MW
- 285.38 g/mol
ZX-036747
(S)-2-((tert-Butoxycarbonyl)amino)pentane-1,5-diyl Dimethanesulfonate
- CAS
- 607376-86-3
- Formula
- C12H25NO8S2
- MW
- 375.5 g/mol
ZX-031197
(S)-2-(1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione
- CAS
- 2077897-93-7
- Formula
- C20H21NO6S
- MW
- 403.5 g/mol
ZX-028051
(S)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b] furan-8-yl)acetamide
- CAS
- 221530-38-7
- Formula
- C13H15NO2
- MW
- 217.26 g/mol
ZX-026645
(S)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetonitrile
- CAS
- 1185516-79-3
- Formula
- C13H13NO
- MW
- 199.25 g/mol
ZX-032099
(S)-2-(2-(Benzofuran-6-carbonyl)-5-chloro-1,2,3,4-tetrahydroisoquinoline-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoic acid
- CAS
- 2322380-15-2
- Formula
- C29H25ClN2O7S
- MW
- 581 g/mol
ZX-044700
(S)-2-(2-Morpholinoacetamido)-4-phenylbutanoic acid
- CAS
- 1396006-45-3
- Formula
- C16H22N2O4
- MW
- 306.36 g/mol
ZX-027794
(S)-2-(2-Oxo-4-propyl-2,5-dihydro-1H-pyrrol-1-yl)butanamide
- CAS
- 357338-13-7
- Formula
- C11H18N2O2
- MW
- 210.27 g/mol
ZX-023638
(S)-2-(3-((2-Isopropylthiazol-4-yl)methyl)-3-methylureido)butanoic acid
- CAS
- 1004316-34-0
- Formula
- C13H21N3O3S
- MW
- 299.39 g/mol
ZX-026751
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