T-Boc-n-amido-PEG5-MS is widely used in bioconjugation and chemical synthesis due to its versatile properties. It serves as a linker in the development of drug delivery systems, enabling the attachment of therapeutic agents to targeting molecules or carriers. The compound is particularly useful in peptide synthesis, where it acts as a protective group for amines, ensuring selective reactions during complex molecule assembly. Additionally, it is employed in the modification of surfaces and nanoparticles, enhancing their biocompatibility and functionality for biomedical applications. Its PEG (polyethylene glycol) spacer improves solubility and reduces immunogenicity, making it valuable in the design of biopharmaceuticals and diagnostic tools.