3-(4-Hydroxyphenyl)-4-oxo-4H-chromen-7-yl hydrogen sulfate CAS 688025-49-2

Description

As a certified reference material (CRM), 3-(4-Hydroxyphenyl)-4-oxo-4H-chromen-7-yl hydrogen sulfate 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.

3-(4-Hydroxyphenyl)-4-oxo-4H-chromen-7-yl hydrogen sulfate (CAS 688025-49-2) is a high-purity analytical reference standard with the molecular formula C15H10O7S and a molecular weight of 334.30 g/mol.

Based on its molecular formula C15H10O7S, 3-(4-Hydroxyphenyl)-4-oxo-4H-chromen-7-yl hydrogen sulfate contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 334.30 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.

Physical & Chemical Properties

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