CAS 4122-52-5 appears in our catalog under these names: N-Propionylimidazole/ 98%, 1-Propionylimidazole, 1-(1H-Imidazol-1-yl)propan-1-one 97%, 1-Propionylimidazole, 98%. Offered by: Chemat, TRC, Ambeed, Fluorochem. Available pack sizes: 5g, 1g, 2,5g, 250mg, 25g, 10g.