3-Hydroxy-1-[5-hydroxy-3-methyl-1-(4-phenyl-1,3-thiazol-2-yl)-1H-pyrazol-4-yl]-2-buten-1-one CAS 129302-16-5

Description

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.

3-Hydroxy-1-[5-hydroxy-3-methyl-1-(4-phenyl-1,3-thiazol-2-yl)-1H-pyrazol-4-yl]-2-buten-1-one (CAS 129302-16-5) is a high-purity analytical reference standard with the molecular formula C17H15N3O3S and a molecular weight of 341.38 g/mol.

Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 3-Hydroxy-1-[5-hydroxy-3-methyl-1-(4-phenyl-1,3-thiazol-2-yl)-1H-pyrazol-4-yl]-2-buten-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 341.38 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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.

Physical & Chemical Properties

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