Primarily utilized in the field of bioconjugation, this compound serves as a crucial linker molecule for attaching various bioactive molecules, such as proteins, peptides, or drugs, to polyethylene glycol (PEG) chains. Its application enhances the solubility, stability, and bioavailability of therapeutic agents, making it valuable in drug delivery systems. Additionally, it is employed in the development of PEGylated pharmaceuticals, which exhibit prolonged circulation time in the body and reduced immunogenicity. The compound is also used in research for modifying surfaces or materials to improve biocompatibility and reduce non-specific interactions in biomedical applications.