CAS 199795-20-5 appears in our catalog under these names: trans-1-(2-(4-(4-Butylcyclohexyl)phenyl)ethynyl)-4-ethoxybenzene 95%, trans-1-(2-(4-(4-Butylcyclohexyl)phenyl)ethynyl)-4-ethoxybenzene, 95%, 95%. Offered by: Ambeed, Chemat. Available pack sizes: 5g, 25g, 100g.