CAS 39799-77-4 appears in our catalog under these names: 1-Methyl-1,3-dihydro-2H-imidazol-2-one, 1-Methyl-1H-imidazol-2(3H)-one 95%, 1-Methyl-1H-imidazol-2(3H)-one, 95%, 95%, 1-methyl-1,3-dihydro-2H-imidazol-2-one, 97%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 250mg, 100mg, 1g, 5g, 10g, 25g.