Impurities & Reference Standards
API Impurities
Source 1942 api impurities for research, QC and production, documented with COA and SDS.
14,098products
1,516in stock
COA + SDSwith every lot
5-Chloro-N,3-dimethyl-2-(methylsulfonamido)benzamide
- CAS
- 2831004-03-4
- Formula
- C10H13ClN2O3S
- MW
- 276.74 g/mol
VQ-032859
5-Chloroacetyl-6-chloro-1,3-dihydroindol-2H-indone-2-one
- CAS
- 118307-04-3
- Formula
- C10H7Cl2NO2
- MW
- 244.07 g/mol
VQ-034744
5-Chloroethyl-6-chloro-1,3-dihydro-2H-indole-2-one
- CAS
- 118289-55-7
- Formula
- C10H9Cl2NO
- MW
- 230.09 g/mol
VQ-028781
![5-Cyano-1,6-dihydro-6-oxo-[3,4'-bipyridine]-2-carboxylic Acid chemical structure](/media/structures/NWLZFLPKASPJMU-UHFFFAOYSA-N.svg)
5-Cyano-1,6-dihydro-6-oxo-[3,4'-bipyridine]-2-carboxylic Acid
- CAS
- 98293-81-3
- Formula
- C12H7N3O3
- MW
- 241.2 g/mol
VQ-031919
![5-Cyano-2-methyl-6-oxo-1,6-dihydro-[3,4'-bipyridine] 1'-Oxide chemical structure](/media/structures/HPLWNXFXCQIZLO-UHFFFAOYSA-N.svg)
5-Cyano-2-methyl-6-oxo-1,6-dihydro-[3,4'-bipyridine] 1'-Oxide
- CAS
- 156033-07-7
- Formula
- C12H9N3O2
- MW
- 227.22 g/mol
VQ-031920
5-Deoxy-2,3,4-O-triacetyl-L-arabinose phenylhydrazone
- CAS
- 95895-36-6
- Formula
- C17H22N2O6
- MW
- 350.37 g/mol
VQ-044814
5-Deschloro-5-(4-chlorophenyl) Vemurafenib
- CAS
- 1262985-30-7
- Formula
- C29H22ClF2N3O3S
- MW
- 566.02 g/mol
VQ-045115
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