CAS 3989-13-7 appears in our catalog under these names: [(3-Bromophenyl)ethynyl]trimethylsilane, >95.0%(GC), (3-Bromophenylethynyl)trimethylsilane 95%, (3-BROMOPHENYLETHYNYL)TRIMETHYLSILANE, &, (3-Bromophenylethynyl)trimethylsilane, 95%, 95%, ((3-Bromophenyl)ethynyl)trimethylsilane, 95%. Offered by: TCI, Ambeed, Sigma-Aldrich, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 100mg, 250mg, 25g, 10g, 100g.