CAS 55306-66-6 appears in our catalog under these names: 4-Chloropyridine-2,6-dicarbonitrile, 4-Chloropyridine-2,6-dicarbonitrile 97%, 4-Chloropyridine-2,6-dicarbonitrile, 95%. Offered by: Biosynth, Ambeed, Fluorochem. Available pack sizes: 5g, 250mg, 1g, 25g, 10g.