9,9'-Spirobi[fluorene]-2',7-diyldiboronic acid CAS 1222007-94-4

Description

Compared with other compounds in its class, the molecular weight of 404.03 g/mol gives 9,9'-Spirobi[fluorene]-2',7-diyldiboronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

9,9'-Spirobi[fluorene]-2',7-diyldiboronic acid (CAS 1222007-94-4), molecular formula C25H18B2O4 and molecular weight 404.03 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C25H18B2O4, 9,9'-Spirobi[fluorene]-2',7-diyldiboronic acid contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 404.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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), 9,9'-Spirobi[fluorene]-2',7-diyldiboronic acid 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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