4-(5-(2,4-Dimethoxyphenyl)-3-(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid CAS 1798443-31-8

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-(5-(2,4-Dimethoxyphenyl)-3-(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid.

4-(5-(2,4-Dimethoxyphenyl)-3-(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid (CAS 1798443-31-8) is a high-purity analytical reference standard with the molecular formula C19H20N2O6 and a molecular weight of 372.37 g/mol.

Based on its molecular formula C19H20N2O6, 4-(5-(2,4-Dimethoxyphenyl)-3-(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 372.37 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).

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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