2,6-Diiodobenzo[1,2-b:4,5-b']dithiophene CAS 155904-20-4

Description

2,6-Diiodobenzo[1,2-b:4,5-b']dithiophene (CAS 155904-20-4), molecular formula C10H4I2S2 and molecular weight 442.08 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2,6-Diiodobenzo[1,2-b:4,5-b']dithiophene (C10H4I2S2) contains sulfur-containing functionality, iodine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 442.08 g/mol, it falls into the moderately-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 2,6-Diiodobenzo[1,2-b:4,5-b']dithiophene 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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