CAS 15533-68-3 appears in our catalog under these names: 1-Phenyl-1,3-diazinane-2,4-dione, 1-Phenyldihydropyrimidine-2,4(1H,3H)-dione, 98%, 98%, 1-Phenyl-1,3-diazinane-2,4-dione, 97%. Offered by: Biosynth, Chemat, Fluorochem. Available pack sizes: 250mg, 100mg, 500mg, 1000mg, 50mg, 1g, 5g.