(3β,​5α,​11α)​-3,​11-​Dihydroxypregnan-​20-​one CAS 565-91-3

Purity 97%+In StockPharmaceutical Standards
CAS No.565-91-3
Molecular FormulaC21H34O3
Molecular Weight334.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3β,​5α,​11α)​-3,​11-​Dihydroxypregnan-​20-​one CAS 565-91-3 chemical structure

Description

(3β,​5α,​11α)​-3,​11-​Dihydroxypregnan-​20-​one (CAS 565-91-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H34O3. Molecular weight: 334.49 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC21H34O3
Molecular Weight334.49 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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