2-(5-Mercapto-4-methyl-4H-1,2,4-triazol-3-yl)phenol CAS 63224-33-9

Description

Compared with other compounds in its class, the molecular weight of 207.25 g/mol gives 2-(5-Mercapto-4-methyl-4H-1,2,4-triazol-3-yl)phenol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-(5-Mercapto-4-methyl-4H-1,2,4-triazol-3-yl)phenol (CAS 63224-33-9), molecular formula C9H9N3OS and molecular weight 207.25 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 2-(5-Mercapto-4-methyl-4H-1,2,4-triazol-3-yl)phenol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 207.25 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.

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 manufactures 2-(5-Mercapto-4-methyl-4H-1,2,4-triazol-3-yl)phenol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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