CAS 63563-83-7 appears in our catalog under these names: 2,2'-[Iminobis(ethane-2,1-diyl)]bis(1h-isoindole-1,3(2h)-dione), 95%, 2，2'–(Azanediylbis(ethane–2，1–diyl))bis(isoindoline–1，3–dione). Offered by: Combi-blocks, GLPBio. Available pack sizes: 1g, 5g, 100mg, 250mg.