CAS 145022-45-3 appears in our catalog under these names: 3-Ethyl-1-methyl-1H-imidazol-3-ium methanesulfonate, 98%, 1–Ethyl–3–methylimidazolium Methanesulfonate, 1-ETHYL-3-METHYLIMIDAZOLIUM METHANESULF&, 1-Ethyl-3-methylimidazolium methanesulfo, 1-Ethyl-3-methylimidazolium Methanesulfonate 98%. Offered by: Fluorochem, GLPBio, Sigma-Aldrich, Ambeed, TCI. Available pack sizes: 25g, 100g, 1KG, 1g, 5g, 10g, 500g.