CAS 197960-31-9 appears in our catalog under these names: 2-Cyano-5-methylbenzenesulfonyl chloride, 98%, 2-Cyano-5-methylbenzene-1-sulfonyl chloride, 98%, 2-Cyano-5-methylbenzenesulfonyl chloride, 2-Cyano-5-methylbenzenesulfonyl chloride, 97% , Benzenesulfonylchloride, 2-cyano-5-methyl-, 98%, 98%. Offered by: Combi-blocks, AmBeed, Biosynth, Thermo Scientific, Chemat. Available pack sizes: 250mg, 5g, 10g, 1g, 100mg, 2,5g.