3,6-Dibromo-4H-chromen-4-one CAS 115237-39-3

Description

Compared with other compounds in its class, the molecular weight of 303.93 g/mol gives 3,6-Dibromo-4H-chromen-4-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3,6-Dibromo-4H-chromen-4-one (CAS 115237-39-3), molecular formula C9H4Br2O2 and molecular weight 303.93 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H4Br2O2, 3,6-Dibromo-4H-chromen-4-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 303.93 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).

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), 3,6-Dibromo-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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