CAS 29074-77-9 appears in our catalog under these names: 1-Ethyl-3-ethynylbenzene, 1-Ethyl-3-Ethynylbenzene 95%, 1-Ethyl-3-Ethynylbenzene, 95%, 95%, 3-Ethylphenylacetylene, 98%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 5g, 0,5g, 100mg, 250mg, 1g.