The molecule is a dicarboxylic acid monoanion resulting from selective deprotonation of the 1-carboxy group of 2-oxoglutaric acid. It has a role as a fundamental metabolite. It derives from a glutarate(1-). It is a conjugate base of a 2-oxoglutaric acid. It is a conjugate acid of a 2-oxoglutarate(2-).
5-hydroxy-2,5-dioxopentanoate