CAS 4160-80-9 appears in our catalog under these names: 4-Phenyloxane-2,6-dione, 95%, 4-Phenyldihydro-2H-pyran-2,6(3H)-dione, 97%, 4-Phenyloxane-2,6-dione. Offered by: Combi-blocks, AmBeed, Biosynth. Available pack sizes: 5g, 1g, 250mg, 10g, 0,5g, 50mg.