CAS 20730-07-8 appears in our catalog under these names: Pyridine–2，5–dicarbonitrile, Pyridine-2,5-dicarbonitrile 95%, 2,5-Pyridinedicarbonitrile, 97%, 97%, 2,5-Dicyanopyridine, 97%. Offered by: GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 5g, 25g, 10g.