Levonorgestrel EP Impurity I CAS 21508-50-9

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.21508-50-9
Molecular FormulaC21H28O3
Molecular Weight328.45 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Levonorgestrel EP Impurity I CAS 21508-50-9 chemical structure

Description

CATO supplies Levonorgestrel EP Impurity I (CAS 21508-50-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H28O3. Molecular weight: 328.45 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC21H28O3
Molecular Weight328.45 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.)1963

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