Ketoprofen Impurity 94 CAS CATO-C4X-147194

Purity ≥95%In StockPharmacopoeial Impurity Standards
CAS No.CATO-C4X-147194
Molecular FormulaC20H23NO5
Molecular Weight357.40 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Ketoprofen Impurity 94 CAS CATO-C4X-147194 chemical structure

Description

The occurrence of Ketoprofen Impurity 94 is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies Ketoprofen Impurity 94 (CAS CATO-C4X-147194), a pharmacopoeial impurity reference standard (molecular formula C20H23NO5, MW 357.40 g/mol) used for the identification and quantification of trace impurities in APIs.

Structurally, Ketoprofen Impurity 94 (C20H23NO5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 357.40 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.

CATO manufactures Ketoprofen Impurity 94 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC20H23NO5
Molecular Weight357.40 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 methanol, acetonitrile, DMSO, water (slightly soluble)
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
Nitrogen Atoms1

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