Ethinylestradiol EP Impurity I CAS 67703-68-8

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.67703-68-8
Molecular FormulaC20H22O2
Molecular Weight294.39 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Ethinylestradiol EP Impurity I CAS 67703-68-8 chemical structure

Description

CATO supplies Ethinylestradiol EP Impurity I (CAS 67703-68-8), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H22O2. Molecular weight: 294.39 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC20H22O2
Molecular Weight294.39 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1976

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