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DL-Glutamic acid is the conjugate acid of glutamic acid and serves as a fundamental metabolite in biological systems. As a racemic mixture, it consists of equal parts D-glutamic acid and L-glutamic acid. Regarding physical properties, DL-glutamic acid exhibits superior physicochemical stability compared to the alpha and beta polymorphs of L-glutamic acid. It is widely utilized in biochemical research as a buffering agent, a substrate for nutritional studies, and a model for investigating the impact of chirality on the structural and phase-transition behavior of amino acids.

DL-Glutamic acid (Standard) is the standard substance of DL-Glutamic acid, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. DL-Glutamic acid, the conjugate acid of Glutamic acid, serves as a crucial metabolite. In comparison to the α and β polymorphs of L-Glutamic acid's second phase, DL-Glutamic acid exhibits enhanced stability.