13-Ethyl-18,19-dinorpregn-5-en-20-yne-3ß,17ß-diol CAS 19913-33-8

Purity 97%+In StockPharmaceutical Standards
CAS No.19913-33-8
Molecular FormulaC20H28O2
Molecular Weight300.44 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

13-Ethyl-18,19-dinorpregn-5-en-20-yne-3ß,17ß-diol CAS 19913-33-8 chemical structure

Description

13-Ethyl-18,19-dinorpregn-5-en-20-yne-3ß,17ß-diol (CAS 19913-33-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H28O2. Molecular weight: 300.44 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H28O2
Molecular Weight300.44 g/mol
AppearanceOff-white to pale 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962

Recommended Standards

Why CATO?