Estradiol Impurity 25 CAS 4245-41-4

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.4245-41-4
Molecular FormulaC20H26O3
Molecular Weight314.42 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Estradiol Impurity 25 CAS 4245-41-4 chemical structure

Description

Estradiol Impurity 25 (CAS 4245-41-4) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H26O3. Molecular weight: 314.42 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC20H26O3
Molecular Weight314.42 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958

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