Sodium 2,2',2''-(1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetate
97%
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This chemical, the sodium salt of 2,2',2''-(1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetic acid (commonly known as DO3A), is a macrocyclic chelating agent specialized for binding lanthanide metal ions, particularly gadolinium (Gd³⁺). Its primary application is in the medical field for the synthesis of gadolinium-based contrast agents used in magnetic resonance imaging (MRI) scans. By forming highly stable complexes with gadolinium, it enhances image contrast, improving the visibility of tissues and organs for precise diagnostics while minimizing risks of free gadolinium toxicity. In research, it serves as a ligand in coordination chemistry to create metal complexes for studying biochemical interactions or developing new therapeutic agents. While general chelators are used in water treatment, this specialized compound is not typically employed for such commodity-scale industrial processes due to its cost and specificity.
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