(+/-)-Estra-4,9-diene-3,17-dione(Mixture of 2 Enantiomers) CAS 13885-20-6

Purity 97%+In StockPharmaceutical Standards
CAS No.13885-20-6
Molecular FormulaC18H22O2
Molecular Weight270.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(+/-)-Estra-4,9-diene-3,17-dione(Mixture of 2 Enantiomers) CAS 13885-20-6 chemical structure

Description

CATO supplies (+/-)-Estra-4,9-diene-3,17-dione(Mixture of 2 Enantiomers) (CAS 13885-20-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H22O2. Molecular weight: 270.37 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC18H22O2
Molecular Weight270.37 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.)1960

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