CAS 19654-19-4 appears in our catalog under these names: 2-(4-Bromophenyl)benzothiazole 98%, 2-(4-Bromophenyl)benzothiazole, 98%, 2-(4-Bromophenyl)benzothiazole, >98.0%(GC), 2-(4-Bromophenyl)benzothiazole, 98%, 98%. Offered by: Ambeed, Fluorochem, TCI, Chemat. Available pack sizes: 1g, 5g, 10g, 25g, 100g.