iomeprol iomeprol iomeprol is a pharmaceutical drug used as a radiocontrast agent in x-ray imaging. it is sold under the trade names imeron and iomeron. iomeprolclinical datatrade namesimeron, iomeronroutes ofadministrationintravenous, by mouthatc codev08ab10 (who) legal statuslegal status in general: ℞ (prescription only) pharmacokinetic datametabolismnoneelimination half-life109±20 minexcretionvia kidneysidentifiers iupac name 1-n,3-n-bis(2,3-dihydroxypropyl)-5-(2-hydroxy-n-methylacetamido)-2,4,6-triiodobenzene-1,3-dicarboxamide cas number78649-41-9pubchem cid3731drugbankdb11705chemspider3600unii17e17jbp8lkeggd01719chebichebi:31710 ycomptox dashboard (epa)dtxsid1049061 chemical and physical dataformulac17h22i3n3o8molar mass777.089 g·mol−13d model (jsmol)interactive image smiles ic1c(c(i)c(c(i)c1n(c(=o)co)c)c(=o)ncc(o)co)c(=o)ncc(o)co inchi inchi=1s/c17h22i3n3o8/c1-23(9(29)6-26)15-13(19)10(16(30)21-2-7(27)4-24)12(18)11(14(15)20)17(31)22-3-8(28)5-25/h7-8,24-28h,2-6h2,1h3,(h,21,30)(h,22,31)key:njkdoadnqsyqev-uhfffaoysa-n it is classified as a water-soluble, nephrotrophic, low osmolar x-ray contrast medium. low osmolar non-ionic agents are better tolerated and less likely to cause side effects than the high osmolar ionic agents. the substance is not metabolized in the human body but excreted in unchanged form. it is decomposed slowly and can therefore accumulate in the environment.