CAS 4403-84-3 appears in our catalog under these names: (4-aminophenyl)methanesulfonamide, (4-Aminophenyl)methanesulfonamide 97%, (4-Aminophenyl)methanesulfonamide, 97%, 97%, (4-Aminophenyl)methanesulfonamide, 98%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 5g, 0,5g, 100mg, 250mg, 1g, 10g.