Thiol-PEG6-alcohol is widely used in bioconjugation and surface modification due to its thiol and hydroxyl functional groups, which enable covalent attachment to various molecules and materials. In drug delivery systems, it serves as a linker to enhance the solubility and stability of therapeutic agents. It is also employed in the development of biosensors and diagnostic tools, where it facilitates the immobilization of biomolecules onto surfaces for improved detection sensitivity. Additionally, it is utilized in polymer chemistry to modify material properties, such as creating hydrophilic coatings or functionalizing nanoparticles for targeted applications. Its versatility makes it valuable in research and industrial settings for creating advanced biomaterials and chemical constructs.