Used as an intermediate in pharmaceutical synthesis, particularly in the development of active pharmaceutical ingredients (APIs) where the azetidine ring serves as a structural scaffold. The methoxymethyl group enhances solubility and stability, making it valuable in optimizing drug candidates. Commonly employed in medicinal chemistry for constructing nitrogen-containing heterocycles, which are prevalent in drugs targeting central nervous system disorders and metabolic diseases. Its tosylate form improves crystallinity and handling during synthetic processes.