5-(4-Fluorophenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol CAS 205806-34-4

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.

5-(4-Fluorophenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol (CAS 205806-34-4) is a high-purity analytical reference standard with the molecular formula C14H10FN3S and a molecular weight of 271.31 g/mol.

Structurally, 5-(4-Fluorophenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol (C14H10FN3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 271.31 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

As a certified reference material (CRM), 5-(4-Fluorophenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol 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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