CAS 563-45-1 appears in our catalog under these names: 3-METHYL-1-BUTENE, 3-METHYL-1-BUTENE, 95%, 3-Methyl-1-butene (ca. 15% in Dichloromethane, ca. 2.5mol/L), 3-Methyl-1-butene (ca. 16.5% in N,N-Dimethylformamide, ca. 2mol/L), 3-Methyl-1-butene (ca. 12.5% in Tetrahydrofuran, ca. 1.5mol/L). Offered by: Sigma-Aldrich, TCI. Available pack sizes: 10ML, 100G, 400G, 500ml, 100ml.