CBz-n-amido-peg5-acid is widely utilized in the field of bioconjugation and drug delivery systems. Its PEG (polyethylene glycol) spacer enhances solubility and stability, making it ideal for modifying peptides, proteins, and other biomolecules. This compound is often employed in the development of targeted therapies, where it acts as a linker to attach therapeutic agents to specific carriers or receptors. Additionally, it is used in the synthesis of prodrugs, improving their pharmacokinetic properties and reducing immunogenicity. Its application extends to nanotechnology, where it facilitates the creation of biocompatible nanoparticles for diagnostic and therapeutic purposes.