Cetonedicarboxylic Acid Diethyl Ester, also known as diethyl 2,2-dimethyl-1,3-dioxane-4,6-dicarboxylate, is a chemical compound with the molecular formula C10H16O6. It is commonly utilized as a reagent in organic synthesis, particularly in the production of pharmaceuticals and specialty chemicals. This compound serves as a valuable building block due to its unique structure and reactivity, enabling the efficient synthesis of complex molecules.