2-(3-Chlorobenzyl)-6-(4-chlorophenyl)-4-(2,3-dichlorophenyl)-4,5-dihydropyridazin-3(2H)-one CAS 344282-75-3

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.

2-(3-Chlorobenzyl)-6-(4-chlorophenyl)-4-(2,3-dichlorophenyl)-4,5-dihydropyridazin-3(2H)-one (CAS 344282-75-3) is a high-purity analytical reference standard with the molecular formula C23H16Cl4N2O and a molecular weight of 478.20 g/mol.

Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 2-(3-Chlorobenzyl)-6-(4-chlorophenyl)-4-(2,3-dichlorophenyl)-4,5-dihydropyridazin-3(2H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 478.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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

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