3,5,7-Trihydroxy-4H-chromen-4-one CAS 31721-95-6

Description

The occurrence of 3,5,7-Trihydroxy-4H-chromen-4-one is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3,5,7-Trihydroxy-4H-chromen-4-one (CAS 31721-95-6), molecular formula C9H6O5 and molecular weight 194.14 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3,5,7-Trihydroxy-4H-chromen-4-one (C9H6O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 194.14 g/mol, it falls into the medium-molecular-weight range. 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), 3,5,7-Trihydroxy-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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