Naproxen EP Impurity H CAS 5111-66-0

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.5111-66-0
Molecular FormulaC11H10O2
Molecular Weight174.20 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Naproxen EP Impurity H CAS 5111-66-0 chemical structure

Description

CATO supplies Naproxen EP Impurity H (CAS 5111-66-0), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H10O2. Molecular weight: 174.20 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC11H10O2
Molecular Weight174.20 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity>95%
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958

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