CAS 1193388-13-4 appears in our catalog under these names: 3,9-Diazaspiro[5.5]undecane-2,4-dione hydrochloride, 95%, 3,9-Diazaspiro(5.5)undecane-2,4-dione hydrochloride, 95%, 3,9–diazaspiro(5·5)undecane–2,4–dione hydrochloride, 3,9-Diazaspiro(5.5)undecane-2,4-dione hydrochloride, 3,9-diazaspiro[5.5]undecane-2,4-dione hydrochloride, ≥96%, ≥96%. Offered by: Combi-blocks, AmBeed, GLPBio, Biosynth, Chemat. Available pack sizes: 1g, 250mg, 100mg, 5g, 10g, 2,5g.