CAS 852664-20-1 appears in our catalog under these names: 4-Chloro-2-fluorobenzene-1-sulfonamide, 4-Chloro-2-fluorobenzenesulfonamide 95+%, 4-Chloro-2-fluorobenzenesulfonamide, 95+%, 95+%. Offered by: Biosynth, Ambeed, Chemat. Available pack sizes: 250mg, 2,5g, 100mg, 1g.