3-(4-Chlorophenyl)-4-ethyl-5-(methylthio)-4H-1,2,4-triazole CAS 31409-18-4

Description

Compared with other compounds in its class, the molecular weight of 253.75 g/mol gives 3-(4-Chlorophenyl)-4-ethyl-5-(methylthio)-4H-1,2,4-triazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-(4-Chlorophenyl)-4-ethyl-5-(methylthio)-4H-1,2,4-triazole (CAS 31409-18-4), molecular formula C11H12ClN3S and molecular weight 253.75 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3-(4-Chlorophenyl)-4-ethyl-5-(methylthio)-4H-1,2,4-triazole (C11H12ClN3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution. 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 253.75 g/mol, it falls into the medium-molecular-weight range. 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.

As a certified reference material (CRM), 3-(4-Chlorophenyl)-4-ethyl-5-(methylthio)-4H-1,2,4-triazole 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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