3,3',6,6'-Tetraiodo-2,2',7,7'-tetramethoxy-9,9'-spirobi[fluorene] CAS 1801236-30-5

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3,3',6,6'-Tetraiodo-2,2',7,7'-tetramethoxy-9,9'-spirobi[fluorene].

3,3',6,6'-Tetraiodo-2,2',7,7'-tetramethoxy-9,9'-spirobi[fluorene] (CAS 1801236-30-5), molecular formula C29H20I4O4 and molecular weight 940.08 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3,3',6,6'-Tetraiodo-2,2',7,7'-tetramethoxy-9,9'-spirobi[fluorene] (C29H20I4O4) contains a steroid core, a hydroxyl group, an ether linkage, iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 940.08 g/mol, it falls into the high-molecular-weight range. 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.

CATO manufactures 3,3',6,6'-Tetraiodo-2,2',7,7'-tetramethoxy-9,9'-spirobi[fluorene] under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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