9β-Pregna-4,6-diene-3,20-dione CAS 2640-38-2

Purity 97%+In StockPharmaceutical Standards
CAS No.2640-38-2
Molecular FormulaC21H28O2
Molecular Weight312.45 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

9β-Pregna-4,6-diene-3,20-dione CAS 2640-38-2 chemical structure

Description

9β-Pregna-4,6-diene-3,20-dione (CAS 2640-38-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C21H28O2. Molecular weight: 312.45 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC21H28O2
Molecular Weight312.45 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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