(3|A,5|A,17|A)-19-Norpregnane-3,17-diol 17|A-Ethyl-5|A-estrane-3|A,17|A-diol 19-Nor-5|A,17|A-pregnane-3|A,17-diol 31658-51-2 CAS 31658-51-2

Purity 97%+In StockPharmaceutical Standards
CAS No.31658-51-2
Molecular FormulaC20H34O2
Molecular Weight306.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3|A,5|A,17|A)-19-Norpregnane-3,17-diol 17|A-Ethyl-5|A-estrane-3|A,17|A-diol 19-Nor-5|A,17|A-pregnane-3|A,17-diol 31658-51-2 CAS 31658-51-2 chemical structure

Description

(3|A,5|A,17|A)-19-Norpregnane-3,17-diol 17|A-Ethyl-5|A-estrane-3|A,17|A-diol 19-Nor-5|A,17|A-pregnane-3|A,17-diol 31658-51-2 (CAS 31658-51-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H34O2. Molecular weight: 306.48 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H34O2
Molecular Weight306.48 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966

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