3-(Methylthio)-4-phenyl-1H-1,2,4-triazol-5(4H)-one CAS 7746-66-9

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.

CATO supplies 3-(Methylthio)-4-phenyl-1H-1,2,4-triazol-5(4H)-one (CAS 7746-66-9), a certified reference material (molecular formula C9H9N3OS, MW 207.25 g/mol) for analytical method development and quality control.

Structurally, 3-(Methylthio)-4-phenyl-1H-1,2,4-triazol-5(4H)-one (C9H9N3OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 207.25 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

As a certified reference material (CRM), 3-(Methylthio)-4-phenyl-1H-1,2,4-triazol-5(4H)-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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