CAS 258506-68-2 appears in our catalog under these names: 3-Chloro-6-trifluoromethyl-pyridazine, 98%, 3–Chloro–6–(trifluoromethyl)pyridazine, 3-Chloro-6-(trifluoromethyl)pyridazine 98%, 3-Chloro-6-trifluoromethylpyridazine, 97%. Offered by: Combi-blocks, GLPBio, Ambeed, Fluorochem. Available pack sizes: 1g, 10g, 25g, 5g, 100g, 250mg.