5,7-Bis(acetyloxy)-3-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]-4H-1-benzopyran-4-one CAS 656229-80-0

Description

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.

5,7-Bis(acetyloxy)-3-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]-4H-1-benzopyran-4-one (CAS 656229-80-0) is a high-purity analytical reference standard with the molecular formula C25H28O7Si and a molecular weight of 468.57 g/mol.

5,7-Bis(acetyloxy)-3-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]-4H-1-benzopyran-4-one (C25H28O7Si) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 5,7-Bis(acetyloxy)-3-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]-4H-1-benzopyran-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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