CAS 346-88-3 appears in our catalog under these names: 3,3'-Bis(trifluoromethyl)benzidine, 95%, 3,3'-Bis(trifluoromethyl)benzidine, 98%, 98%, 3,3'-Bis(trifluoromethyl)benzidine, 97%, 3,3'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine, 97%. Offered by: Combi-blocks, Chemat, Fluorochem, Ambeed. Available pack sizes: 250mg, 1g, 100mg.