5-Acetyl-4-(2-chlorophenyl)-6-methyl-3,4-dihydropyridin-2(1H)-one CAS 252875-45-9

Purity 97%+In StockPharmaceutical Standards
CAS No.252875-45-9
Molecular FormulaC14H14ClNO2
Molecular Weight263.72 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Acetyl-4-(2-chlorophenyl)-6-methyl-3,4-dihydropyridin-2(1H)-one CAS 252875-45-9 chemical structure

Description

5-Acetyl-4-(2-chlorophenyl)-6-methyl-3,4-dihydropyridin-2(1H)-one (CAS 252875-45-9), molecular formula C14H14ClNO2 and molecular weight 263.72 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C14H14ClNO2, 5-Acetyl-4-(2-chlorophenyl)-6-methyl-3,4-dihydropyridin-2(1H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 263.72 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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 5-Acetyl-4-(2-chlorophenyl)-6-methyl-3,4-dihydropyridin-2(1H)-one 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 FormulaC14H14ClNO2
Molecular Weight263.72 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms1

Related Acetyl Standards

Recommended Standards

Why CATO?