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
1H-Indole-1-propanol, 2,3-dihydro-5-(2-nitropropyl)-, benzoate (ester) (9CI)
- CAS
- 350797-54-5
- Formula
- C21H24N2O4
- MW
- 368.4 g/mol
VQ-042175
1H-Indole-5-carbonitrile, 3-(tetrahydro-2-furanyl)
- CAS
- 2514696-28-5
- Formula
- C13H12N2O
- MW
- 212.25 g/mol
VQ-044077
![1H-Purine-2,6-dione,8-[(3R)-3-amino-1-piperidinyl]-3,9-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]](/media/pack/1h-purine-26-dione8-3r-3-amino-1-piperidinyl-39-dihydro-3-methyl-1-4-methyl-2.svg?v=3)
1H-Purine-2,6-dione,8-[(3R)-3-amino-1-piperidinyl]-3,9-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]
- CAS
- 2382729-41-9
- Formula
- C21H24N8O2
- MW
- 420.47 g/mol
VQ-048895
![1H,1'H-[5,5'-Biindole]-7,7'-diylbis((4-bromophenyl)methanone) chemical structure](/media/structures/SWNHRYNYEJUWLZ-UHFFFAOYSA-N.svg)
1H,1'H-[5,5'-Biindole]-7,7'-diylbis((4-bromophenyl)methanone)
- CAS
- 2192334-72-6
- Formula
- C30H18Br2N2O2
- MW
- 598.3 g/mol
VQ-045295
1S 3r 4r 3 tert butoxycarbonyl amino 4 methylsulfonyl oxy cyclohexanecarboxylic acid ethyl ester
- CAS
- 365997-36-0
- Formula
- C15H27NO7S
- MW
- 365.4 g/mol
VQ-030362
2 2 Oxo 1 3 dioxolan 4 yl methyl isoindoline 1 3 dione
- CAS
- 1218777-30-0
- Formula
- C12H9NO5
- MW
- 247.2 g/mol
VQ-041954
2 3 Dihydroxypropyl 2 3 benzoylphenyl propanoate
- CAS
- 1257296-76-6
- Formula
- C19H20O5
- MW
- 328.4 g/mol
VQ-037816
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