N-(5-benzoyl-6-methyl-2-oxo-2H-pyran-3-yl)-4-nitrobenzamide CAS 338418-36-3

Purity 97%+In StockPharmaceutical Standards
CAS No.338418-36-3
Molecular FormulaC20H14N2O6
Molecular Weight378.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(5-benzoyl-6-methyl-2-oxo-2H-pyran-3-yl)-4-nitrobenzamide CAS 338418-36-3 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-(5-benzoyl-6-methyl-2-oxo-2H-pyran-3-yl)-4-nitrobenzamide.

N-(5-benzoyl-6-methyl-2-oxo-2H-pyran-3-yl)-4-nitrobenzamide (CAS 338418-36-3) is a high-purity analytical reference standard with the molecular formula C20H14N2O6 and a molecular weight of 378.33 g/mol.

N-(5-benzoyl-6-methyl-2-oxo-2H-pyran-3-yl)-4-nitrobenzamide (C20H14N2O6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures N-(5-benzoyl-6-methyl-2-oxo-2H-pyran-3-yl)-4-nitrobenzamide 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 FormulaC20H14N2O6
Molecular Weight378.33 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 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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2

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