ChEBI: Diethyl 2-hydroxypentanedioate is a diester obtained by the formal condensation of both the carboxy groups of 2-hydroxyglutaric acid with two molecules of ethanol respectively. It has a role as a metabolite. It is a diester and a member of dicarboxylic acids and O-substituted derivatives. It is functionally related to a 2-hydroxyglutaric acid.