Used extensively in bioconjugation and drug delivery systems, this compound serves as a linker molecule to connect drugs, proteins, or other biomolecules. Its PEG (polyethylene glycol) chains enhance solubility and reduce immunogenicity, making it ideal for improving the pharmacokinetics of therapeutic agents. It is also employed in the development of antibody-drug conjugates (ADCs) and targeted therapies, where precise delivery of drugs to specific cells is crucial. Additionally, it finds applications in surface modification of nanoparticles to improve biocompatibility and stability in biological environments.