CAS 57103-03-4 appears in our catalog under these names: 9H–carbazole–3,6–dicarbonitrile, 9H-Carbazole-3,6-dicarbonitrile 97%, 9H-carbazole-3,6-dicarbonitrile, 97%, 97%, 9H-Carbazole-3,6-dicarbonitrile, 500 mg, 9H-Carbazole-3,6-dicarbonitrile, 1 g. Offered by: GLPBio, Ambeed, Chemat, Roth, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 5g, 500mg, 10g, 2g.