CAS 58808-59-6 appears in our catalog under these names: 4-(Trifluoroacetyl)benzoic acid, 98%, 4-(2,2,2-Trifluoroacetyl)benzoic acid, 98%, 4-(Trifluoroacetyl)benzoic acid, 97+% , 4-(2,2,2-Trifluoroacetyl)benzoic acid, 98%, 98%. Offered by: Combi-blocks, AmBeed, Thermo Scientific (Alfa Aesar), Chemat, Fluorochem. Available pack sizes: 1g, 25g, 100g, 5g, 250mg, 10g.