CAS 54028-76-1 appears in our catalog under these names: 3-Methyl-1,3,4,5-tetrahydro-2h-1,5-benzodiazepin-2-one, 95%, 3-Methyl-1,3,4,5-tetrahydro-benzo[b][1,4]diazepin-2-one, 95.0%. Offered by: Combi-blocks, Fluorochem. Available pack sizes: 250mg, 5g, 1g.