(20S)-21-[[Tris(isopropyll)silyl]oxy]-20-methyl-pregn-4-en-3-one CAS 356063-47-3

Purity 97%+In StockPharmaceutical Standards
CAS No.356063-47-3
Molecular FormulaC31H54O2Si
Molecular Weight486.84 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(20S)-21-[[Tris(isopropyll)silyl]oxy]-20-methyl-pregn-4-en-3-one CAS 356063-47-3 chemical structure

Description

CATO supplies (20S)-21-[[Tris(isopropyll)silyl]oxy]-20-methyl-pregn-4-en-3-one (CAS 356063-47-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C31H54O2Si. Molecular weight: 486.84 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC31H54O2Si
Molecular Weight486.84 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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025

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