CAS 22518-27-0 appears in our catalog under these names: 4-(4-Chlorophenyl)-2-pyrrolidinone, 95%, Baclofen EP Impurity A, 4-(4-Chlorophenyl)-2-pyrrolidinone, >95% (HPLC), 4–(4–Chlorophenyl)pyrrolidin–2–one, 4-(4-Chlorophenyl)-2-pyrrolidinone. Offered by: Combi-blocks, Chemat Brand, TRC, Mikromol, GLPBio. Available pack sizes: 250mg, 5g, 1g, 100mg, on request, 1mg, 2,5mg, 5mg.