4-Ethyl-3-(4-fluorophenyl)-5-(methylthio)-4H-1,2,4-triazole CAS 868255-87-2

Description

Compared with other compounds in its class, the molecular weight of 237.30 g/mol gives 4-Ethyl-3-(4-fluorophenyl)-5-(methylthio)-4H-1,2,4-triazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Ethyl-3-(4-fluorophenyl)-5-(methylthio)-4H-1,2,4-triazole (CAS 868255-87-2), molecular formula C11H12FN3S and molecular weight 237.30 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4-Ethyl-3-(4-fluorophenyl)-5-(methylthio)-4H-1,2,4-triazole (C11H12FN3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine 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 237.30 g/mol, it falls into the medium-molecular-weight range. 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 4-Ethyl-3-(4-fluorophenyl)-5-(methylthio)-4H-1,2,4-triazole 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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