CAS 1609403-76-0 appears in our catalog under these names: 3-Methyl-4-oxo-3,4-dihydro-7-quinazolinecarboxylic acid hydrochloride, 95%, 3-methyl-4-oxo-3,4-dihydro-7-quinazolinecarboxylic acid hydrochloride. Offered by: Combi-blocks, Fluorochem. Available pack sizes: 5g, 1g, 250mg.