Used in biochemical research as an intermediate in the pentose phosphate pathway, supporting studies on cellular metabolism and enzyme activity. Serves as a substrate for dehydrogenase enzymes in metabolic assays. Employed in diagnostic kits to measure enzyme function in clinical and laboratory settings. Also utilized in cell culture media formulations to support cell growth and metabolic studies. Stable form of 6-phosphogluconate for use in enzymatic reactions requiring ionic solubility.