CAS 1416881-50-9 appears in our catalog under these names: Poly((9,9-dioctylfluorenyl-2,7-diyl)-co-(9-hexyl-3,6-carbazole)) end capped with dimethylphenyl, 2CzPN 97%, 4,5-Di(9H-carbazol-9-yl)phthalonitrile, 98%, 98%, 1,2-Benzenedicarbonitrile, 4,5-di-9H-carbazol-9-yl-, 98%. Offered by: Lumtec, Ambeed, Chemat, Fluorochem. Available pack sizes: On request, 50mg, 100mg, 250mg, 1g, 25mg, 500mg.