Methoxatin disodium salt is widely utilized in biochemical research as a cofactor for enzymes, particularly quinoproteins. It plays a crucial role in redox reactions, facilitating electron transfer processes in various metabolic pathways. This compound is essential in studying bacterial methanol dehydrogenase, aiding in understanding microbial metabolism and energy production. Additionally, it is employed in enzymatic assays to investigate the mechanisms of oxidative enzymes, contributing to advancements in enzymology and biotechnology. Its applications also extend to the development of biosensors, where it enhances the sensitivity and specificity of detecting biological molecules.