2-((4-Amino-5-(3-chlorophenyl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-chloro-2-methylphenyl)acetamide CAS 577763-55-4

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 2-((4-Amino-5-(3-chlorophenyl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-chloro-2-methylphenyl)acetamide (CAS 577763-55-4), a certified reference material (molecular formula C17H15Cl2N5OS, MW 408.30 g/mol) for analytical method development and quality control.

The molecular framework of 2-((4-Amino-5-(3-chlorophenyl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-chloro-2-methylphenyl)acetamide (C17H15Cl2N5OS) is characterized by a steroid core, an amide group, sulfur-containing functionality, 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. 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.

Physical & Chemical Properties

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