CAS 55521-24-9 appears in our catalog under these names: Dansylcadaverine didansylcadaverine, 95%, didansylcadaverine crystalline, Didansylcadaverine, 95%, 95%, N,N'-(pentane-1,5-diyl)bis(5-(dimethylamino)naphthalene-1-sulfonamide), 98%. Offered by: Combi-blocks, GLPBio, Chemat, Fluorochem. Available pack sizes: 1g, 250mg, 100mg, 25mg.