CAS 96-75-3 appears in our catalog under these names: 2-Amino-5-nitrobenzenesulfonic acid, 95%, 2-Amino-5-nitrobenzenesulfonic acid ammonium salt, 95%, 2-Amino-5-nitrobenzenesulfonic acid, 98%, Benzenesulfonic acid, 2-amino-5-nitro-, 98%(HPLC),RG, 98%(HPLC),RG, 2-Amino-5-nitrobenzenesulfonic acid. Offered by: Combi-blocks, AmBeed, Chemat, Fluorochem. Available pack sizes: 100g, 1g, 1kg, 5g, 500g, 25g.