CAS 34376-54-0 appears in our catalog under these names: 1,4-Diazepan-5-one, 96%, Homopiperazin-5-one, 95% , 1,4-Diazepan-5-one 95%, 1,4-Diazepan-5-one, 97%, 97%, [1,4]Diazepan-5-one. Offered by: Combi-blocks, Thermo Scientific (Alfa Aesar), Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 25g, 5g, 250mg, 100mg, 10g.