This chemical is primarily used in the field of bioconjugation and material science due to its unique properties. It serves as a linker or spacer molecule in the synthesis of complex biomolecules, enabling the attachment of functional groups or molecules to a target structure. Its PEG (polyethylene glycol) chain provides excellent solubility and biocompatibility, making it suitable for applications in drug delivery systems, where it can enhance the stability and circulation time of therapeutic agents. Additionally, it is utilized in the development of hydrogels and other polymeric materials, where its propargyl groups allow for click chemistry reactions, facilitating the creation of crosslinked networks with precise control over structure and functionality. This makes it valuable in tissue engineering and controlled release applications.