1-(2,4-Difluorophenyl)-4-(1H-1,2,4-triazol-1-yl)-1H-pyrazol-5-ol CAS 1007014-95-0

Description

The occurrence of 1-(2,4-Difluorophenyl)-4-(1H-1,2,4-triazol-1-yl)-1H-pyrazol-5-ol is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1-(2,4-Difluorophenyl)-4-(1H-1,2,4-triazol-1-yl)-1H-pyrazol-5-ol (CAS 1007014-95-0), molecular formula C11H7F2N5O and molecular weight 263.20 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, 1-(2,4-Difluorophenyl)-4-(1H-1,2,4-triazol-1-yl)-1H-pyrazol-5-ol is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 263.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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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