Chemical Name iohexol Synonyms omnipaqueTM;Exypaque;5-[acetyl(2,3-dihydroxypropyl)amino]-1-N,3-N-bis(2,3-dihydroxypropyl)-2,4,6-triiodobenzene-1,3-dicarboxamide;Omnipaque;EINECS 266-164-2 CAS-nr. 66108-95-0 Molecular Formula C19H26I3N3O9 Molecular Weight 821.13800 PSA 199.89000