Impurity Reference Standards
API Impurities
Process impurities, isomers, degradants and related compounds for thousands of APIs, characterised for method development, validation and QC release.
1S 3r 4r 3 tert butoxycarbonyl amino 4 methylsulfonyl oxy cyclohexanecarboxylic acid ethyl ester
- CAS
- 365997-36-0
- Formula
- C15H27NO7S
- MW
- 365.4 g/mol
ZX-029150
2-(((2H-Benzo[d]imidazol-2-ylidene)(3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methyl)thio)-1H-benzo[d]imidazole
- CAS
- 1683584-88-4
- Formula
- C23H16F3N5OS
- MW
- 467.5 g/mol
ZX-025299
2-(((3AR,4S,6R,6aS)-6-(7-Amino-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)-2,2-dimethyltetrahydro-4H-cyclopenta[d][1,3]dioxol-4-yl)oxy)ethan-1-ol
- CAS
- 1858267-99-8
- Formula
- C17H26N6O4S
- MW
- 410.5 g/mol
ZX-027273
2-(((3AR,4S,6S,6aS)-6-Amino-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)oxy)ethanol
- CAS
- 2376278-69-0
- Formula
- C10H19NO4
- MW
- 217.26 g/mol
ZX-027270
2-(((4-Methoxy-3,5-dimethylpyridin-2-yl)methyl)thio)-1H-benzo[d]imidazole
- CAS
- 73590-87-1
- Formula
- C16H17N3OS
- MW
- 299.4 g/mol
ZX-022359
2-((1-Acetyl-1H-indazol-6-yl)sulfinyl)-N-methylbenzamide
- CAS
- 1959572-98-5
- Formula
- C17H15N3O3S
- MW
- 341.4 g/mol
ZX-023453
2-((1H-Indazol-6-yl)sulfinyl)-N-methylbenzamide
- CAS
- 1959572-97-4
- Formula
- C15H13N3O2S
- MW
- 299.3 g/mol
ZX-023452
2-((1r,4r)-4-(3,3-Dimethylureido)cyclohexyl)-N-methoxy-N-methylacetamide
- CAS
- 2268787-30-8
- Formula
- C13H25N3O3
- MW
- 271.36 g/mol
ZX-021056
2-((1r,4r)-4-(3,3-Dimethylureido)cyclohexyl)ethyl 4-methylbenzenesulfonate
- CAS
- 1698050-46-2
- Formula
- C18H28N2O4S
- MW
- 368.5 g/mol
ZX-021053
2-((1R,5S,6R)-6-(Aminomethyl)-3-ethylbicyclo[3.2.0]hept-3-en-6-yl)acetic Acid
- CAS
- 2166206-19-3
- Formula
- C12H19NO2
- MW
- 209.28 g/mol
ZX-025654
2-((1S,5R,6R)-3-Ethyl-6-(nitromethyl)bicyclo[3.2.0]hept-3-en-6-yl)acetic Acid
- CAS
- 1644251-41-1
- Formula
- C12H17NO4
- MW
- 239.27 g/mol
ZX-030656
2-((1S,5R,6R)-6-(Aminomethyl)-3-ethylbicyclo[3.2.0]hept-3-en-6-yl)acetic Acid
- CAS
- 1138245-15-4
- Formula
- C12H19NO2
- MW
- 209.28 g/mol
ZX-022178
2-((1S,5R,6S)-6-(Aminomethyl)-3-ethylbicyclo[3.2.0]hept-3-en-6-yl)acetic Acid
- CAS
- 2165847-73-2
- Formula
- C12H19NO2
- MW
- 209.28 g/mol
ZX-025655
2-((2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)propane-1,3-diyl diacetate
- CAS
- 86357-19-9
- Formula
- C13H17N5O6
- MW
- 339.3 g/mol
ZX-029695
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