4-amino-5-[4-(difluoromethoxy)phenyl]-4H-1,2,4-triazole-3-thiol CAS 735322-54-0

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.

4-amino-5-[4-(difluoromethoxy)phenyl]-4H-1,2,4-triazole-3-thiol (CAS 735322-54-0), molecular formula C9H8F2N4OS and molecular weight 258.25 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4-amino-5-[4-(difluoromethoxy)phenyl]-4H-1,2,4-triazole-3-thiol (C9H8F2N4OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 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 258.25 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 4-amino-5-[4-(difluoromethoxy)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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