3-(3-Ethyl-[1,2,4]triazolo[3,4-b][1,3,4]-thiadiazol-6-yl)-2-methyl-phenylamine CAS 874591-56-7

Description

Compared with other compounds in its class, the molecular weight of 259.33 g/mol gives 3-(3-Ethyl-[1,2,4]triazolo[3,4-b][1,3,4]-thiadiazol-6-yl)-2-methyl-phenylamine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-(3-Ethyl-[1,2,4]triazolo[3,4-b][1,3,4]-thiadiazol-6-yl)-2-methyl-phenylamine (CAS 874591-56-7), molecular formula C12H13N5S and molecular weight 259.33 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C12H13N5S, 3-(3-Ethyl-[1,2,4]triazolo[3,4-b][1,3,4]-thiadiazol-6-yl)-2-methyl-phenylamine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 259.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

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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