1-(6-(2,4-Dichlorobenzyl)pyridazin-3-yl)-4-(4-methoxyphenyl)-1H-pyrazol-5-amine CAS 321385-79-9

Description

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.

CATO supplies 1-(6-(2,4-Dichlorobenzyl)pyridazin-3-yl)-4-(4-methoxyphenyl)-1H-pyrazol-5-amine (CAS 321385-79-9), a certified reference material (molecular formula C21H17Cl2N5O, MW 426.30 g/mol) for analytical method development and quality control.

The molecular framework of 1-(6-(2,4-Dichlorobenzyl)pyridazin-3-yl)-4-(4-methoxyphenyl)-1H-pyrazol-5-amine (C21H17Cl2N5O) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

Physical & Chemical Properties

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