4-Methoxy-N-(2-oxo-2-phenyl-1-((4-sulfamoylphenyl)amino)ethyl)benzamide CAS 332885-72-0

Purity 97%+In StockPharmaceutical Standards
CAS No.332885-72-0
Molecular FormulaC22H21N3O5S
Molecular Weight439.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Methoxy-N-(2-oxo-2-phenyl-1-((4-sulfamoylphenyl)amino)ethyl)benzamide CAS 332885-72-0 chemical structure

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

4-Methoxy-N-(2-oxo-2-phenyl-1-((4-sulfamoylphenyl)amino)ethyl)benzamide (CAS 332885-72-0), molecular formula C22H21N3O5S and molecular weight 439.48 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 4-Methoxy-N-(2-oxo-2-phenyl-1-((4-sulfamoylphenyl)amino)ethyl)benzamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 439.48 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 FormulaC22H21N3O5S
Molecular Weight439.48 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms3
Sulfur Atoms1

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