MESG is widely used in biochemical research as a substrate for enzymatic assays, particularly in studies involving nucleoside phosphorylases. It serves as a critical component in the detection and quantification of enzymatic activity, enabling researchers to monitor reactions through spectrophotometric methods. The compound is also utilized in the development of biosensors, where its sensitivity to enzymatic changes allows for precise measurement of biological processes. Additionally, MESG finds applications in drug discovery and development, where it aids in screening potential inhibitors or activators of target enzymes. Its stability and compatibility with various biochemical systems make it a valuable tool in advancing scientific understanding of enzymatic mechanisms and metabolic pathways.