CAS 766-83-6 appears in our catalog under these names: 3–Chloro–1–ethynylbenzene, 3'-Chlorophenylacetylene, 1-Chloro-3-ethynylbenzene, >97.0%(GC), 3-Chlorophenylacetylene, 97%, 3-Chloro-1-ethynylbenzene 98%. Offered by: GLPBio, Biosynth, TCI, Thermo Scientific (Acros), Ambeed. Available pack sizes: 25g, 10g, 1g, 5g, 50g, 100g, 500g.