(2E)-1-[4-(1H-1,2,4-Triazol-1-yl)phenyl]-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)prop-2-en-1-one CAS 956442-70-9

Description

The occurrence of (2E)-1-[4-(1H-1,2,4-Triazol-1-yl)phenyl]-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)prop-2-en-1-one is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(2E)-1-[4-(1H-1,2,4-Triazol-1-yl)phenyl]-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)prop-2-en-1-one (CAS 956442-70-9), molecular formula C17H17N5O and molecular weight 307.35 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, (2E)-1-[4-(1H-1,2,4-Triazol-1-yl)phenyl]-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)prop-2-en-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 307.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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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