Exemestane Impurity 31 CAS 26991-58-2

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.26991-58-2
Molecular FormulaC19H26O3
Molecular Weight302.41 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Exemestane Impurity 31 CAS 26991-58-2 chemical structure

Description

Exemestane Impurity 31 (CAS 26991-58-2) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C19H26O3. Molecular weight: 302.41 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC19H26O3
Molecular Weight302.41 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.)1964

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