5-Methoxy-1,3,4-triphenyl-4,5-dihydro-1H-1,2,4-triazole CAS 154643-41-1

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-Methoxy-1,3,4-triphenyl-4,5-dihydro-1H-1,2,4-triazole (CAS 154643-41-1) is a high-purity analytical reference standard with the molecular formula C21H19N3O and a molecular weight of 329.40 g/mol.

Structurally, 5-Methoxy-1,3,4-triphenyl-4,5-dihydro-1H-1,2,4-triazole (C21H19N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 329.40 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 5-Methoxy-1,3,4-triphenyl-4,5-dihydro-1H-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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