Impurities & Reference Standards
API Impurities
Source 1942 api impurities for research, QC and production, documented with COA and SDS.
14,098products
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![Pregn-5-ene-20-carboxylic acid, 3-[(1-oxooctadecyl)oxy]-, methyl ester, (3β,20R)](/media/pack/pregn-5-ene-20-carboxylic-acid-3-1-oxooctadecyloxy-methyl-ester-3beta20r.svg?v=3)
Pregn-5-ene-20-carboxylic acid, 3-[(1-oxooctadecyl)oxy]-, methyl ester, (3β,20R)
- CAS
- 33168-64-8
- Formula
- C41H70O4
- MW
- 626.53 g/mol
VQ-044377
Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene
- CAS
- 1204325-02-9
- Formula
- C22H30O3
- MW
- 342.5 g/mol
VQ-025689
Pregna-chloror1,4-diene-3,20-dione, 9-chloro-alpha11,21-dihydroxy-16-methyl-, (11beta,alpha 16alpha)
- CAS
- 4306-57-4
- Formula
- C22H29ClO4
- MW
- 392.9 g/mol
VQ-047995
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