TCI B5690 (CAS 178931-63-0) is a high-purity 5,5''-Bis(trimethylstannyl)-2,2':5',2''-terthiophene reagent primarily used as a key precursor in Stille cross-coupling reactions for constructing terthiophene-based molecular architectures. This organotin compound serves as an essential building block in the synthesis of conjugated polymers and oligomers for organic electronic applications, including organic semiconductors, organic photovoltaics (OPV), and organic field-effect transistors (OFET). Supplied in a 200 mg packaging from TCI, this reagent meets the rigorous demands of advanced materials research and synthetic organic chemistry laboratories.
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