CAS 83-54-5 appears in our catalog under these names: 1-Methyl-1,4-dihydroquinolin-4-one, 1-Methylquinolin-4(1H)-one 97%, 1-methyl-4-quinolone, 98%, 98%, 1-METHYL-1,4-DIHYDROQUINOLIN-4-ONE, 98%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 5g, 1g, 10g, 100mg, 250mg.