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)-(-)-Alpha-Amino-gamma-butyrolactone hydrobromide
- CAS
- 15295-77-9
- Formula
- C4H8BrNO2
- MW
- 182.02 g/mol
ZX-034408
(S)-(+)-1-[(4-Chlorophenyl)phenylmethyl]piperazine
- CAS
- 439858-21-6
- Formula
- C17H19ClN2
- MW
- 286.8 g/mol
ZX-028549
(S)-(+)-1,1-Binaphthyl-2,2-diyl Hydrogen Phosphate
- CAS
- 35193-64-7
- Formula
- C20H13O4P
- MW
- 348.3 g/mol
ZX-032607
(S)-(+)-2-Chlorophenylglycine Methyl Ester Tartrate
- CAS
- 141109-15-1
- Formula
- C13H16ClNO8
- MW
- 349.72 g/mol
ZX-028700
(S)-(1,1,1-Trifluoropropan-2-yl)hydrazine hydrochloride
- CAS
- 2764851-03-6
- Formula
- C3H8ClF3N2
- MW
- 164.56 g/mol
ZX-042366
(S)-(2-Amino-5-(tert-butoxy)-5-oxopentanoyl)glycine
- CAS
- 23406-82-8
- Formula
- C11H20N2O5
- MW
- 260.29 g/mol
ZX-026906
(S)-(2-Chlorophenyl)(4-((tetrahydrofuran-3-yl)oxy)phenyl)methanone
- CAS
- 2452301-22-1
- Formula
- C17H15ClO3
- MW
- 302.7 g/mol
ZX-027771
(S)-1-((2-Isopropylthiazol-4-yl)methyl)-1-methyl-3-(2-oxotetrahydrofuran-3-yl)urea
- CAS
- 1004316-93-1
- Formula
- C13H19N3O3S
- MW
- 297.38 g/mol
ZX-028728
(S)-1-([1,1′-Biphenyl]-4-yl)-3-chloropropan-2-ol
- CAS
- 1573000-28-8
- Formula
- C15H15ClO
- MW
- 246.73 g/mol
ZX-022725
(S)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethylamine N-acetyl-l- leucine salt
- CAS
- 608141-43-1
- Formula
- C20H34N2O7S
- MW
- 446.6 g/mol
ZX-023333
(S)-1-(3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)-N-methylmethanamine
- CAS
- 866783-12-2
- Formula
- C12H17NO2
- MW
- 207.27 g/mol
ZX-025209
(S)-1-(4-Methoxybenzyl)-1,2,3,4,5,6,7,8-octahydroisoquinoline
- CAS
- 30356-07-1
- Formula
- C17H23NO
- MW
- 257.37 g/mol
ZX-033293
(S)-1-(6-(4-Fluoro-1H-pyrazol-1-yl)pyridin-3-yl)ethan-1-amine Hydrochloride
- CAS
- 2097133-17-8
- Formula
- C10H12ClFN4
- MW
- 242.68 g/mol
ZX-045188
(S)-1-(tert-Butoxycarbonyl)-2-cyanopyrrolidine
- CAS
- 228244-04-0
- Formula
- C10H16N2O2
- MW
- 196.25 g/mol
ZX-034310
(S)-1-(tert-Butoxycarbonyl)-2-methylpyrrolidine-2-carboxylic Acid
- CAS
- 103336-06-7
- Formula
- C11H19NO4
- MW
- 229.27 g/mol
ZX-035280
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