4,7-Dihydroxy-3-(2-methoxyphenyl)-2H-chromen-2-one CAS 21229-16-3

Description

Compared with other compounds in its class, the molecular weight of 284.26 g/mol gives 4,7-Dihydroxy-3-(2-methoxyphenyl)-2H-chromen-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4,7-Dihydroxy-3-(2-methoxyphenyl)-2H-chromen-2-one (CAS 21229-16-3) is a high-purity analytical reference standard with the molecular formula C16H12O5 and a molecular weight of 284.26 g/mol.

Structurally, 4,7-Dihydroxy-3-(2-methoxyphenyl)-2H-chromen-2-one (C16H12O5) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 284.26 g/mol, it falls into the medium-molecular-weight range. 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.

As a certified reference material (CRM), 4,7-Dihydroxy-3-(2-methoxyphenyl)-2H-chromen-2-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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