CAS 680210-85-9 appears in our catalog under these names: 4-Chloro-2-oxo-1,2-dihydroquinoline-3-carbonitrile, 98%, 4–Chloro–2–oxo–1，2–dihydroquinoline–3–carbonitrile, 4-Chloro-2-oxo-1,2-dihydroquinoline-3-carbonitrile 95%, 3-Quinolinecarbonitrile, 4-chloro-1,2-dihydro-2-oxo-, 96%, 96%, 4-CHLORO-3-CYANO-1,2-DIHYDRO-2-OXOQUINOLINE, 95%. Offered by: Combi-blocks, GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 250mg, 5g, 10g, 1g, 100mg.