2,3,6,7-Tetramethoxy-9,9'-spirobi[fluorene] CAS 821785-24-4

Description

Compared with other compounds in its class, the molecular weight of 436.50 g/mol gives 2,3,6,7-Tetramethoxy-9,9'-spirobi[fluorene] distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2,3,6,7-Tetramethoxy-9,9'-spirobi[fluorene] (CAS 821785-24-4), molecular formula C29H24O4 and molecular weight 436.50 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a steroid core, a hydroxyl group, an ether linkage, 2,3,6,7-Tetramethoxy-9,9'-spirobi[fluorene] is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 436.50 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

As a certified reference material (CRM), 2,3,6,7-Tetramethoxy-9,9'-spirobi[fluorene] 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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