4-(3,5-Dimethyl-phenyl)-1-mercapto-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one CAS 565178-10-1

Description

The occurrence of 4-(3,5-Dimethyl-phenyl)-1-mercapto-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 4-(3,5-Dimethyl-phenyl)-1-mercapto-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one (CAS 565178-10-1), a certified reference material (molecular formula C17H14N4OS, MW 322.38 g/mol) for analytical method development and quality control.

The molecular framework of 4-(3,5-Dimethyl-phenyl)-1-mercapto-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-one (C17H14N4OS) is characterized by a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. 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.

As a certified reference material (CRM), 4-(3,5-Dimethyl-phenyl)-1-mercapto-4H-[1,2,4]triazolo[4,3-a]quinazolin-5-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

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