CAS 883541-64-8 appears in our catalog under these names: 4-[3-(4-Fluorophenyl)-1,2,4-oxadiazol-5-yl]butanoic acid, 95%, 4-(3-(4-Fluorophenyl)-1,2,4-oxadiazol-5-yl)butanoic acid, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g, 250mg.