CAS 191327-30-7 appears in our catalog under these names: 4-(4-Chlorophenoxy)benzenesulfonyl chloride, 95%, 4-(4-Chlorophenoxy)benzenesulfonyl Chloride, 4-(4-Chlorophenoxy)benzene-1-sulfonyl chloride, 98%. Offered by: Combi-blocks, TRC, Fluorochem, Ambeed. Available pack sizes: 250mg, 5g, 1g, 2,5g, 50mg, 100mg, 500mg, 2.5g.