Viloxazine Impurity 5 CAS 47374-79-8

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.47374-79-8
Molecular FormulaC20H25NO3
Molecular Weight327.42 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Viloxazine Impurity 5 CAS 47374-79-8 chemical structure

Description

The occurrence of Viloxazine Impurity 5 is closely related to a steroid 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 Viloxazine Impurity 5 (CAS 47374-79-8), a pharmacopoeial impurity reference standard (molecular formula C20H25NO3, MW 327.42 g/mol) used for the identification and quantification of trace impurities in APIs.

Based on its molecular formula C20H25NO3, Viloxazine Impurity 5 contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 327.42 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC20H25NO3
Molecular Weight327.42 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1970
Nitrogen Atoms1

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