CAS 327081-37-8 appears in our catalog under these names: 4-(5-Bromo-thiophene-2-sulfonylamino)-benzoic acid, 97%, 4-(5-bromothiophene-2-sulfonamido)benzoic acid, 4-(5-Bromo-thiophene-2-sulfonylamino)-benzoic acid, 97%, 97%. Offered by: Combi-blocks, Biosynth, Chemat. Available pack sizes: 250mg, 5g, 1g, 10g, 100mg.