Estriol EP Impurity F CAS 547-81-9

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.547-81-9
Molecular FormulaC18H24O3
Molecular Weight288.38 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Estriol EP Impurity F CAS 547-81-9 chemical structure

Description

CATO supplies Estriol EP Impurity F (CAS 547-81-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H24O3. Molecular weight: 288.38 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC18H24O3
Molecular Weight288.38 g/mol
AppearanceOff-white to pale 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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