Used primarily in surface chemistry and nanotechnology, this compound is applied in the formation of self-assembled monolayers (SAMs) on gold and other noble metal surfaces. Its long polyether chain and terminal thiol group make it effective for creating highly ordered, stable monolayers that can modify surface properties. These SAMs are utilized in biosensors to improve biocompatibility and reduce non-specific protein adsorption. Additionally, it is employed in the development of nanoscale devices, where precise surface functionalization is critical for performance. The compound's ability to form well-defined interfaces is also leveraged in studies of molecular recognition and surface interactions.