(2Z)-1-{1-[4-(4-chlorophenyl)-1,3-thiazol-2-yl]-5-hydroxy-3-methyl-1H-pyrazol-4-yl}-3-hydroxybut-2-en-1-one CAS 318949-53-0

Description

Based on its molecular formula C17H14ClN3O3S, (2Z)-1-{1-[4-(4-chlorophenyl)-1,3-thiazol-2-yl]-5-hydroxy-3-methyl-1H-pyrazol-4-yl}-3-hydroxybut-2-en-1-one contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 375.83 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

(2Z)-1-{1-[4-(4-chlorophenyl)-1,3-thiazol-2-yl]-5-hydroxy-3-methyl-1H-pyrazol-4-yl}-3-hydroxybut-2-en-1-one (CAS 318949-53-0) is a high-purity analytical reference standard with the molecular formula C17H14ClN3O3S and a molecular weight of 375.83 g/mol.

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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