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
3-Phenyl-5-(2-phenyldiazenyl)-2,6-pyridinediamine
- CAS
- 1168133-05-8
- Formula
- C17H15N5
- MW
- 289.33 g/mol
VQ-033147
3-Piperazin-1-ylbenzo(d)isothiazole 1,1-dioxide
- CAS
- 131540-88-0
- Formula
- C11H13N3O2S
- MW
- 251.31 g/mol
VQ-044361
3-Quinolinecarboxylic acid, 1- cyclopropyl-7-fluoro-1,4- dihydro-6,8-dimethoxy-4-oxo-, ethyl ester
- CAS
- 2489671-14-7
- Formula
- C17H18FNO5
- MW
- 335.33 g/mol
VQ-032017
3-Ribofuranosyl-4,9-dihydro-4,6,7-trimethyl-9-oxoimidazo(1,2-a)purine
- CAS
- 108274-04-0
- Formula
- C15H19N5O5
- MW
- 349.34 g/mol
VQ-034504
3,20-Disemicarbazone-17,21-dihydroxy-pregna-1,4-diene-3,11,20-trione 21-Acetate
- CAS
- 115097-56-8
- Formula
- C25H34N6O6
- MW
- 514.6 g/mol
VQ-033304
3,3-(Buta-1,3-diyne-1,4-diyl)bis(4-methyl-N-(4-((4-methylpiperazin-1-yl)methyl)-3-(trifluoromethyl)phenyl)benzamide)
- CAS
- 2097674-16-1
- Formula
- C46H46F6N6O2
- MW
- 828.9 g/mol
VQ-023516
![3,3-Dimethyl-2,4-dioxa-9-thiaspiro[5.5]undecane-1,5-dione 9,9-dioxide chemical structure](/media/structures/NHXXFEVVLIQWOT-UHFFFAOYSA-N.svg)
3,3-Dimethyl-2,4-dioxa-9-thiaspiro[5.5]undecane-1,5-dione 9,9-dioxide
- CAS
- 64096-86-2
- Formula
- C10H14O6S
- MW
- 262.28 g/mol
VQ-047378
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