CAS 15112-98-8 appears in our catalog under these names: 1-Methyl-2-oxo-1,2-dihydroquinoline-4-carbaldehyde, 98%, 98%, 1,2-Dihydro-1-methyl-2-oxoquinoline-4-carboxaldehyde, 95%, 1-Methyl-2-oxo-1,2-dihydroquinoline-4-carbaldehyde 98%, 1-methyl-2-oxo-1,2-dihydroquinoline-4-carbaldehyde, 98%. Offered by: Chemat, Combi-blocks, Ambeed, Fluorochem. Available pack sizes: 100mg, 250mg, 1g.