Iopamidol-d3 (B-15000-d3, SQ-13396-d3) is the deuterium labeled Iopamidol (HY-B0684). Iopamidol is a nonionic, X-Ray iodinated contrast agent (CA) for a wide variety of diagnostic applications. Iopamidol contains amide and hydroxyl functionalities that can be exploited for the generation of the chemical exchange saturation transfer (CEST) contrast[1].