3-(2,6-Dichlorobenzyl)-1-(4-methoxyphenyl)-2-methylpyridin-4(1H)-one CAS 343372-89-4

Purity 97%+In StockPharmaceutical Standards
CAS No.343372-89-4
Molecular FormulaC20H17Cl2NO2
Molecular Weight374.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(2,6-Dichlorobenzyl)-1-(4-methoxyphenyl)-2-methylpyridin-4(1H)-one CAS 343372-89-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 374.26 g/mol gives 3-(2,6-Dichlorobenzyl)-1-(4-methoxyphenyl)-2-methylpyridin-4(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 3-(2,6-Dichlorobenzyl)-1-(4-methoxyphenyl)-2-methylpyridin-4(1H)-one (CAS 343372-89-4), a certified reference material (molecular formula C20H17Cl2NO2, MW 374.26 g/mol) for analytical method development and quality control.

Based on its molecular formula C20H17Cl2NO2, 3-(2,6-Dichlorobenzyl)-1-(4-methoxyphenyl)-2-methylpyridin-4(1H)-one contains a steroid core, 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 374.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

As a certified reference material (CRM), 3-(2,6-Dichlorobenzyl)-1-(4-methoxyphenyl)-2-methylpyridin-4(1H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC20H17Cl2NO2
Molecular Weight374.26 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light
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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms1

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