Lansoprazole Sulfone is primarily utilized in the field of pharmaceutical research and development. It serves as a key metabolite in studies focused on understanding the pharmacokinetics and metabolic pathways of lansoprazole, a widely used proton pump inhibitor. Researchers employ it to investigate drug interactions, metabolic stability, and the efficacy of lansoprazole in treating acid-related disorders. Additionally, it plays a role in the development of analytical methods for detecting and quantifying lansoprazole and its metabolites in biological samples, ensuring accurate monitoring of drug levels in patients. This compound is also valuable in toxicology studies to assess the safety profile and potential side effects associated with lansoprazole therapy.