2-(5-((2,5-Dimethylbenzyl)thio)-4-ethyl-4H-1,2,4-triazol-3-yl)pyridine CAS 573948-00-2

Description

Compared with other compounds in its class, the molecular weight of 324.44 g/mol gives 2-(5-((2,5-Dimethylbenzyl)thio)-4-ethyl-4H-1,2,4-triazol-3-yl)pyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-(5-((2,5-Dimethylbenzyl)thio)-4-ethyl-4H-1,2,4-triazol-3-yl)pyridine (CAS 573948-00-2), molecular formula C18H20N4S and molecular weight 324.44 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 2-(5-((2,5-Dimethylbenzyl)thio)-4-ethyl-4H-1,2,4-triazol-3-yl)pyridine (C18H20N4S) is characterized by a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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.

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.

Physical & Chemical Properties

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