CAS 56354-57-5 appears in our catalog under these names: 4-Cyclohexylbenzenesulfonyl chloride, 98%, 4-Cyclohexyl-benzenesulfonyl Chloride, 4–Cyclohexylbenzene–1–sulfonyl chloride, 4-Cyclohexylbenzenesulfonyl chloride, 97% , 4-Cyclohexylbenzene-1-sulfonyl chloride 97%. Offered by: Combi-blocks, TRC, GLPBio, Thermo Scientific (Alfa Aesar), Ambeed. Available pack sizes: 1g, 25g, 100g, 5g, 10g, 2.5g.