CAS 2197167-50-1 appears in our catalog under these names: 2-(5,6-Dichloro-2,3-dihydro-3-oxo-1H-inden-1-ylidene)propanedinitrile, 2–(5，6–Dichloro–3–oxo–2，3–dihydro–1H–inden–1–ylidene)malononitrile, (5,6-Dichloro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile, >97.0%(HPLC), 2-(5,6-Dichloro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile 99%, DCI-2Cl 97%. Offered by: TRC, GLPBio, TCI, Ambeed, Chemat. Available pack sizes: 500mg, 100mg, 1g, 250mg, 5g.