CAS 50844-89-8 appears in our catalog under these names: Pyrimidine–4，6–dicarbonitrile, Pyrimidine-4,6-dicarbonitrile 95%, 4,6-Pyrimidinedicarbonitrile, 95%, 95%, Pyrimidine-4,6-dicarbonitrile, 98%. Offered by: GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 250mg, 100mg, 5g.