Iohexol

Iohexol is a contrast agent, sold under the trade names Omnipaque and Exypaque; this compound is also sold as a density gradient medium under the names Accudenz, Histodenz and Nycodenz. It is available in various concentrations, from 140 to 350 milligrams of iodine per milliliter. Omnipaque 350 is commonly used as a contrast agent during coronary angiography.