3-amino-N-(2-methylphenyl)-5-(methylsulfanyl)-4H-1,2,4-triazole-4-carboxamide CAS 338391-95-0

Description

Based on its molecular formula C11H13N5OS, 3-amino-N-(2-methylphenyl)-5-(methylsulfanyl)-4H-1,2,4-triazole-4-carboxamide contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 263.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

3-amino-N-(2-methylphenyl)-5-(methylsulfanyl)-4H-1,2,4-triazole-4-carboxamide (CAS 338391-95-0), molecular formula C11H13N5OS and molecular weight 263.32 g/mol, is a CATO reference standard with documented purity and traceability.

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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