L-(-)-Glucose is primarily used in research and development, particularly in the study of carbohydrate metabolism and enzymatic processes. It serves as a valuable tool for understanding the stereospecificity of enzymes, as it is the enantiomer of the more common D-glucose. This property allows scientists to investigate how enzymes distinguish between different chiral forms of glucose. Additionally, L-(-)-Glucose is utilized in the development of diagnostic assays and biochemical studies, where it helps in elucidating metabolic pathways and mechanisms. Its non-metabolizable nature in most biological systems makes it a useful control in experiments studying glucose uptake and utilization. Furthermore, it has potential applications in the synthesis of specialized chemicals and pharmaceuticals, where its unique stereochemistry can be leveraged to create novel compounds with specific biological activities.