CAS 175203-84-6 appears in our catalog under these names: 5-(Trifluoromethoxy)indole-2-carboxylic acid, 98%, 5-(Trifluoromethoxy)-1H-indole-2-carboxylic acid, 97% , 5-(Trifluoromethoxy)indole-2-carboxylic acid, 95%, 5-(Trifluoromethoxy)-1H-indole-2-carboxylic acid, 98%. Offered by: Combi-blocks, Thermo Scientific, Fluorochem, Ambeed. Available pack sizes: 1g, 5g, 250MG, 10g.