Impurity Reference Standards
API Impurities
Process impurities, isomers, degradants and related compounds for thousands of APIs, characterised for method development, validation and QC release.
Methyl 4-methyl-6-(3-nitrophenyl)-2-oxocyclohex-3-ene-1-carboxylate
- CAS
- 2469735-68-8
- Formula
- C15H15NO5
- MW
- 289.28 g/mol
ZX-030815
Methyl 4,4,6,6-tetramethylcyclohex-1-ene-1-carboxylate
- CAS
- 2234308-25-7
- Formula
- C12H20O2
- MW
- 196.29 g/mol
ZX-031615
Methyl 4'-(dibromomethyl)-[1,1'-biphenyl]-2-carboxylate
- CAS
- 1352492-08-0
- Formula
- C15H12Br2O2
- MW
- 384.06 g/mol
ZX-027126
Methyl 5-chloro-2-((4-methylphenyl)sulfonamido)benzoate
- CAS
- 247237-38-3
- Formula
- C15H14ClNO4S
- MW
- 339.8 g/mol
ZX-031136
Methyl 5-chloro-3-(N-(2-methoxy-2-oxoethyl)sulfamoyl)thiophene-2-carboxylate
- CAS
- 906522-87-0
- Formula
- C9H10ClNO6S2
- MW
- 327.8 g/mol
ZX-020315
Methyl 5-deoxy-2,3-O-isopropylidene-beta-D-ribofuranoside
- CAS
- 23202-81-5
- Formula
- C9H16O4
- MW
- 188.22 g/mol
ZX-028447
Methyl 6-amino-7-fluoro-1H-benzo[d]imidazole-5-carboxylate
- CAS
- 918321-29-6
- Formula
- C9H8FN3O2
- MW
- 209.18 g/mol
ZX-032437
Methyl 6-fluoro-3-(2-nitroethyl)-1H-indole-4-carboxylate
- CAS
- 2304957-86-4
- Formula
- C12H11FN2O4
- MW
- 266.22 g/mol
ZX-022719
Methyl 6-methoxy-3-methylbenzofuran-2-carboxylate
- CAS
- 59254-11-4
- Formula
- C12H12O4
- MW
- 220.22 g/mol
ZX-029652
Methyl 7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate
- CAS
- 104599-90-8
- Formula
- C14H11ClFNO3
- MW
- 295.69 g/mol
ZX-028635
Methyl 7-methoxy-4-oxo-1,4-dihydroquinoline-6-carboxylate
- CAS
- 205448-65-3
- Formula
- C12H11NO4
- MW
- 233.22 g/mol
ZX-022415
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