1244-78-6 2-(3,4-Dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-4H-chromen-4-one 2-(3,4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-chromen-4-one 3-Hydroxy-3',4', 5,7-tetramethoxyflavone 4H-1-Benzopyran-4-one, 2-(3, 4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy- Flavone, 3-hydroxy-3',4',5,7-tetramethoxy- NSC102049 Quercetin tetramethyl(3',4',5,7) ether CAS 1244-78-6

Description

CATO supplies 1244-78-6 2-(3,4-Dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-4H-chromen-4-one 2-(3,4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-chromen-4-one 3-Hydroxy-3',4', 5,7-tetramethoxyflavone 4H-1-Benzopyran-4-one, 2-(3, 4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy- Flavone, 3-hydroxy-3',4',5,7-tetramethoxy- NSC102049 Quercetin tetramethyl(3',4',5,7) ether (CAS 1244-78-6), a certified reference material (molecular formula C19H18O7, MW 358.34 g/mol) for analytical method development and quality control.

The molecular framework of 1244-78-6 2-(3,4-Dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-4H-chromen-4-one 2-(3,4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-chromen-4-one 3-Hydroxy-3',4', 5,7-tetramethoxyflavone 4H-1-Benzopyran-4-one, 2-(3, 4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy- Flavone, 3-hydroxy-3',4',5,7-tetramethoxy- NSC102049 Quercetin tetramethyl(3',4',5,7) ether (C19H18O7) is characterized by a flavonoid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

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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