CAS 3978-58-3 appears in our catalog under these names: (Diethoxy(methyl)silyl)methyl methacrylate 97%, (Diethoxy(methyl)silyl)methyl methacrylate, 97%, 97%, (Methacryloxymethyl)methyldiethoxysilane. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 5g, 25g, 100g.