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
2,4,6-Trifluoro-N-(6-(piperidine-4-carbonyl)pyridin-2-yl)benzamide
- CAS
- 1347604-52-7
- Formula
- C18H16F3N3O2
- MW
- 363.3 g/mol
VQ-048805
2,5-Bis((4-chlorophenyl)amino)-4-(phenylimino)cyclohexa-2,5-dien-1-one
- CAS
- 90712-85-9
- Formula
- C24H17Cl2N3O
- MW
- 434.32 g/mol
VQ-029866
2,5-Dibromo-1-(methoxymethyl)-4-nitro-1H-imidazole
- CAS
- 112995-70-7
- Formula
- C5H5Br2N3O3
- MW
- 314.92 g/mol
VQ-032918
2,5-Dichloro-3-(5-(3,4-dimethoxy-5-nitrophenyl)-1,2,4-oxadiazol-3-yl)-4,6-dimethylpyridine 1-oxide
- CAS
- 2356241-51-3
- Formula
- C17H14Cl2N4O6
- MW
- 441.2 g/mol
VQ-038777
![2,5-Dichloro-7-cyclopentyl-N,N-dimethyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide chemical structure](/media/structures/NGNDLDIPPYYJCK-UHFFFAOYSA-N.svg)
2,5-Dichloro-7-cyclopentyl-N,N-dimethyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide
- CAS
- 2577288-43-6
- Formula
- C14H16Cl2N4O
- MW
- 327.2 g/mol
VQ-041893
2,5-Dichloro-N-(2-(isopentylamino)-2-oxoethyl)benzamide
- CAS
- 2872629-73-5
- Formula
- C14H18Cl2N2O2
- MW
- 317.2 g/mol
VQ-044701
2,5-Dichloro-N-(2-(isopropylsulfonyl)phenyl)pyrimidin-4-amine
- CAS
- 761440-16-8
- Formula
- C13H13Cl2N3O2S
- MW
- 346.2 g/mol
VQ-028969
2,5-Dichloro-N-(2-methoxy-4-(4-(4-methylpiperazin-1-yl)piperidin-1-yl)phenyl)pyrimidin-4-amine
- CAS
- 1259274-28-6
- Formula
- C21H28Cl2N6O
- MW
- 451.4 g/mol
VQ-036021
![2,5-Dichlorobenzo[d]Oxazole chemical structure](/media/structures/JOXBFDPBVQGJOJ-UHFFFAOYSA-N.svg)
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