CAS 885950-95-8 appears in our catalog under these names: 4-[3,5-Bis(trifluoromethyl)phenyl]benzenesulphonyl chloride, 95%, 3',5'-Bis(trifluoromethyl)-(1,1'-biphenyl)-4-sulfonyl chloride, 95%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 1g, 5g.