This chemical is widely used in the field of bioconjugation and drug delivery due to its polyethylene glycol (PEG) chains, which enhance solubility and stability of compounds. It is particularly valuable in modifying proteins, peptides, and other biomolecules to improve their pharmacokinetic properties, such as prolonging circulation time in the body and reducing immunogenicity. Additionally, it serves as a linker in the development of antibody-drug conjugates (ADCs), enabling targeted delivery of therapeutic agents to specific cells or tissues. Its application also extends to the formulation of hydrogels and other biocompatible materials for biomedical research and tissue engineering.