» Iopamidol Injection is a sterile solution of Iopamidol in Water for Injection. It contains not less than 95.0 percent and not more than 105.0 percent of the labeled amount of iopamidol (C₁₇H₂₂I₃N₃O₈). It may contain small amounts of suitable buffers and of Edetate Calcium Disodium as a stabilizer. Iopamidol Injection intended for intravascular or intrathecal use contains no antimicrobial agents.