Levonorgestrel EP Impurity W CAS 155683-59-3

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.155683-59-3
Molecular FormulaC21H24O2
Molecular Weight308.41 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Levonorgestrel EP Impurity W CAS 155683-59-3 chemical structure

Description

Levonorgestrel EP Impurity W (CAS 155683-59-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H24O2. Molecular weight: 308.41 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC21H24O2
Molecular Weight308.41 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>90%
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.)2001

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