CAS 231953-40-5 appears in our catalog under these names: 1-[3-Chloro-5-(trifluoromethyl)-2-pyridyl]-1,4-diazepane, 95%, 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1,4-diazepane, 98%, 1-(3-Chloro-5-trifluoromethyl-2-pyridyl)homopiperazine, 98% . Offered by: Combi-blocks, AmBeed, Thermo Scientific (Alfa Aesar). Available pack sizes: 1g, 5g.