5-[2,5-Bis(2,2,2-trifluoroethoxy)phenyl]-1-(4-methylphenyl)-1H-1,2,4-triazole CAS 400081-38-1

Description

5-[2,5-Bis(2,2,2-trifluoroethoxy)phenyl]-1-(4-methylphenyl)-1H-1,2,4-triazole (CAS 400081-38-1), molecular formula C19H15F6N3O2 and molecular weight 431.33 g/mol, is a CATO reference standard with documented purity and traceability.

5-[2,5-Bis(2,2,2-trifluoroethoxy)phenyl]-1-(4-methylphenyl)-1H-1,2,4-triazole (C19H15F6N3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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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