3-O-Methyl 17-β-Estradiol CAS 4811-74-9

Purity 97%+In StockPharmaceutical Standards
CAS No.4811-74-9
Molecular FormulaC24H34O3
Molecular Weight370.52 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-O-Methyl 17-β-Estradiol CAS 4811-74-9 chemical structure

Description

3-O-Methyl 17-β-Estradiol (CAS 4811-74-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H34O3. Molecular weight: 370.52 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC24H34O3
Molecular Weight370.52 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
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.)1958

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