Used in targeted drug delivery systems, it enhances the solubility and stability of therapeutic agents, particularly in cancer treatment. The compound facilitates the attachment of drugs to specific cells, improving efficacy and reducing side effects. It is also employed in research for developing novel conjugates that can selectively target diseased tissues. Additionally, it plays a role in immunomodulatory therapies, aiding in the regulation of immune responses in autoimmune diseases and certain cancers. Its PEG linker improves pharmacokinetics, ensuring prolonged circulation and better bioavailability of the drug.