CAS 121-47-1 appears in our catalog under these names: 3–Aminobenzenesulfonic acid, Metanilic acid, Metanilic acid/ 98+%, 3-Aminobenzenesulfonic acid, Metanilic acid, 98%. Offered by: GLPBio, TargetMol, Chemat, Biosynth, Thermo Scientific (Acros). Available pack sizes: 500g, 5mg, 100g, 2,5g, 0,25g, 1KG, 250g, 25g.