This chemical is widely used in bioconjugation and click chemistry applications. Its azide group allows for efficient and selective reactions with alkynes, making it valuable for labeling biomolecules such as proteins, peptides, and nucleic acids. The PEG3 spacer enhances solubility and reduces steric hindrance, improving the efficiency of conjugation processes. It is also utilized in the development of drug delivery systems, where it helps in linking therapeutic agents to targeting molecules. Additionally, it finds application in material science for modifying surfaces and creating functionalized polymers. Its hydroxyl group further enables additional chemical modifications, expanding its utility in various research and industrial applications.