Estradiol Impurity 5 CAS 1476-34-2

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.1476-34-2
Molecular FormulaC18H20O3
Molecular Weight284.35 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Estradiol Impurity 5 CAS 1476-34-2 chemical structure

Description

CATO supplies Estradiol Impurity 5 (CAS 1476-34-2), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H20O3. Molecular weight: 284.35 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC18H20O3
Molecular Weight284.35 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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