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Dimethyl-3-oxoglutarate is used as an intermediate in the synthesis of various organic compounds, particularly in the pharmaceutical and agricultural industries. For example, it can be used as a starting material for the synthesis of amino acids, peptides, and other bioactive molecules. In addition to its use as an intermediate, dimethyl-3-oxoglutarate has also been studied for its biological activities. It has been found to have antioxidant and anti-inflammatory properties, and may have potential as a therapeutic agent for the treatment of various diseases.