D-Glucose 6-Phosphate Barium Salt Heptahydrate is primarily used in biochemical research and laboratory settings as a substrate or intermediate in enzymatic studies. It plays a critical role in understanding metabolic pathways, particularly glycolysis and the pentose phosphate pathway, where it serves as a key molecule for energy production and biosynthesis. This compound is also utilized in the preparation of buffer solutions for studying enzyme kinetics and metabolic processes. Additionally, it finds application in the synthesis of other biochemical compounds and as a reagent in diagnostic assays to evaluate enzymatic activity in biological samples. Its stability and solubility make it a reliable choice for experimental protocols in cellular and molecular biology.