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
2,6-Dimethoxy-4-methyl-5-(3-(trifluoromethyl)phenoxy)quinolin-8-amine
- CAS
- 106635-86-3
- Formula
- C19H17F3N2O3
- MW
- 378.3 g/mol
VQ-042350
2,6-Dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic Acid
- CAS
- 74936-81-5
- Formula
- C15H14N2O6
- MW
- 318.28 g/mol
VQ-021282
![2,7-Bis(4-(4-(Benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)quinoline chemical structure](/media/structures/FFPODQCMORKORR-UHFFFAOYSA-N.svg)
2,7-Bis(4-(4-(Benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)quinoline
- CAS
- 2138169-93-2
- Formula
- C41H47N5O2S2
- MW
- 706 g/mol
VQ-021872
![2,8-Dichloro-6,12-diphenylbenzo[c][1,5]benzodiazocine chemical structure](/media/structures/MQGFJTPZIBDFDR-UHFFFAOYSA-N.svg)
2,8-Dichloro-6,12-diphenylbenzo[c][1,5]benzodiazocine
- CAS
- 3646-61-5
- Formula
- C26H16Cl2N2
- MW
- 427.3 g/mol
VQ-034817
![2,8-Dimethyl-5-[2-(6-methylpyridin-3-yl)ethyl]-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole 2-oxide chemical structure](/media/structures/QVVPVVCGGIDLFZ-UHFFFAOYSA-N.svg)
2,8-Dimethyl-5-[2-(6-methylpyridin-3-yl)ethyl]-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole 2-oxide
- CAS
- 1147893-84-2
- Formula
- C21H25N3O
- MW
- 335.4 g/mol
VQ-037910
![2,9-Difluorodibenzo[c,h][1,6,2,7]dioxadiborecine-5,12(7H,14H)-diol chemical structure](/media/structures/IVARLWITKBZEGN-UHFFFAOYSA-N.svg)
2,9-Difluorodibenzo[c,h][1,6,2,7]dioxadiborecine-5,12(7H,14H)-diol
- CAS
- 2113611-05-3
- Formula
- C14H12B2F2O4
- MW
- 303.9 g/mol
VQ-034061
![2'-(2H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-carboxaldehyde chemical structure](/media/structures/HQBRKMUDLIZVAS-UHFFFAOYSA-N.svg)
2'-(2H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-carboxaldehyde
- CAS
- 151052-40-3
- Formula
- C14H10N4O
- MW
- 250.25 g/mol
VQ-031646
2'-(Benzyloxy)-3'-nitro-1,1'-biphenyl-3-carboxylic acid
- CAS
- 1636137-55-7
- Formula
- C20H15NO5
- MW
- 349.3 g/mol
VQ-048178
2'-(Trifluoromethyl)-2,3,4,5-tetrahydro-1,1'-biphenyl
- CAS
- 13376-26-6
- Formula
- C13H13F3
- MW
- 226.24 g/mol
VQ-042187
![2'-[(1E)-2-[4-[[(2-Carboxyethyl)amino]carbonyl]phenyl]diazenyl] Balsalazide chemical structure](/media/structures/IBCQZTYNNGNNDJ-UHFFFAOYSA-N.svg)
2'-[(1E)-2-[4-[[(2-Carboxyethyl)amino]carbonyl]phenyl]diazenyl] Balsalazide
- CAS
- 1346606-53-8
- Formula
- C27H24N6O9
- MW
- 576.5 g/mol
VQ-020888
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