HOOCCHOHCH2OH

HOOCCHOHCH2OH is the chemical formula for glyceric acid. It is a three-carbon sugar acid, meaning it is a carbohydrate derivative containing both a carboxyl group and hydroxyl groups. Glyceric acid exists in three stereoisomeric forms due to the chiral center at the second carbon atom: D-glyceric acid, L-glyceric acid, and the achiral meso-glyceric acid. The most biologically relevant form is typically D-glyceric acid.

In biological systems, glyceric acid is an intermediate in carbohydrate metabolism, particularly in the pathway of glycolysis and gluconeogenesis. It can be formed from the oxidation of glycerol or as a breakdown product of certain sugars. D-glyceric acid can be phosphorylated to glycerate-2-phosphate, which then enters glycolysis. Conversely, glycerate-2-phosphate can be dephosphorylated to D-glyceric acid during gluconeogenesis. It is also involved in the metabolism of the amino acid serine.

Industrially, glyceric acid can be produced through the oxidation of glycerol. Its applications are less widespread than some other organic acids, but it has potential uses in the pharmaceutical and food industries, though research and commercialization in these areas are ongoing. The physical properties of glyceric acid include being a solid at room temperature, soluble in water, and having an acidic nature due to the presence of the carboxyl group.