5,7-Dimethoxy-3-(4-methoxyphenyl)-4H-chromen-4-one CAS 1162-82-9

Description

The occurrence of 5,7-Dimethoxy-3-(4-methoxyphenyl)-4H-chromen-4-one is closely related to a flavonoid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

5,7-Dimethoxy-3-(4-methoxyphenyl)-4H-chromen-4-one (CAS 1162-82-9), molecular formula C18H16O5 and molecular weight 312.32 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C18H16O5, 5,7-Dimethoxy-3-(4-methoxyphenyl)-4H-chromen-4-one contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 312.32 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).

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

As a certified reference material (CRM), 5,7-Dimethoxy-3-(4-methoxyphenyl)-4H-chromen-4-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

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