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
9-((2R,3S,4R,5R)-3,4-Bis((2,4-dichlorobenzyl)oxy)-5-(((2,4-dichlorobenzyl)oxy)methyl)tetrahydrofuran-2-yl)-6-methoxy-9H-purin-2-amine
- CAS
- 1173825-84-7
- Formula
- C32H27Cl6N5O5
- MW
- 774.3 g/mol
VQ-026856
9-(1,3-Dioxolan-2-ylmethyl)-3,9-dihydro-1,3-dimethyl-1H-purine-2,6-dione
- CAS
- 1174289-18-9
- Formula
- C11H14N4O4
- MW
- 266.25 g/mol
VQ-030306
![9-[(4,4,5,5,5-Pentafluoropentyl)thio]nonanol chemical structure](/media/structures/AZSKACXKBRDCBY-UHFFFAOYSA-N.svg)
![9-[[9-[(4,4,5,5,5-Pentafluoropentyl)sulfenyl]nonyl]sulfenyl]nonyl Bromide chemical structure](/media/structures/KFJVBLRQDLRGLY-UHFFFAOYSA-N.svg)
9-[[9-[(4,4,5,5,5-Pentafluoropentyl)sulfenyl]nonyl]sulfenyl]nonyl Bromide
- CAS
- 1391053-14-7
- Formula
- C23H42BrF5S2
- MW
- 557.6 g/mol
VQ-030902
9-Acetyl-6-chloro-2-(2-chloro-1-oxopropyl)-9H-carbazole
- CAS
- 114041-34-8
- Formula
- C17H13Cl2NO2
- MW
- 334.2 g/mol
VQ-022028
9-Beta,11-beta-Epoxy-17,21-Dihydroxypregna-1,4-Diene-3,20-Dione
- CAS
- 7091-05-6
- Formula
- C21H26O5
- MW
- 358.4 g/mol
VQ-030314
![9-Bromo-10-methoxy-9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one chemical structure](/media/structures/XGKDFPWTQAWELY-UHFFFAOYSA-N.svg)
9-Bromo-10-methoxy-9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
- CAS
- 43076-89-7
- Formula
- C14H11BrO2S
- MW
- 323.21 g/mol
VQ-037825
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