CAS 66021-95-2 appears in our catalog under these names: 1-ethynyl-2-(propan-2-yloxy)benzene, 95%, 95%, 1-Ethynyl-2-isopropoxybenzene 95%, 1-Ethynyl-2-(propan-2-yloxy)benzene, 1-Ethynyl-2-isopropoxybenzene, 98%. Offered by: Chemat, Ambeed, Biosynth, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g, 50mg, 0,5g, 10g.