4-Chloro-N-(2-methyl-4-oxoquinazolin-3(4H)-yl)benzamide CAS 178919-58-9

Purity 97%+In StockPharmaceutical Standards
CAS No.178919-58-9
Molecular FormulaC16H12ClN3O2
Molecular Weight313.74 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloro-N-(2-methyl-4-oxoquinazolin-3(4H)-yl)benzamide CAS 178919-58-9 chemical structure

Description

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 supplies 4-Chloro-N-(2-methyl-4-oxoquinazolin-3(4H)-yl)benzamide (CAS 178919-58-9), a certified reference material (molecular formula C16H12ClN3O2, MW 313.74 g/mol) for analytical method development and quality control.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 4-Chloro-N-(2-methyl-4-oxoquinazolin-3(4H)-yl)benzamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 313.74 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).

CATO manufactures 4-Chloro-N-(2-methyl-4-oxoquinazolin-3(4H)-yl)benzamide 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 FormulaC16H12ClN3O2
Molecular Weight313.74 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2008
Halogen ContentCl-containing
Nitrogen Atoms3

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