5-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,6,7,8-tetramethoxy-4H-chromen-4-one CAS 50439-47-9

Description

Compared with other compounds in its class, the molecular weight of 404.37 g/mol gives 5-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,6,7,8-tetramethoxy-4H-chromen-4-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,6,7,8-tetramethoxy-4H-chromen-4-one (CAS 50439-47-9), molecular formula C20H20O9 and molecular weight 404.37 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a flavonoid core, a hydroxyl group, an ether linkage, 5-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,6,7,8-tetramethoxy-4H-chromen-4-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 404.37 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).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 5-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,6,7,8-tetramethoxy-4H-chromen-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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