This chemical is primarily used in bioconjugation and surface modification applications. Its structure, featuring a thiol group, allows it to form stable bonds with gold surfaces or other thiol-reactive materials, making it valuable for creating functionalized surfaces in biosensors and nanotechnology. The T-Boc protecting group can be removed under mild acidic conditions, exposing the aminooxy group, which is reactive toward aldehydes and ketones. This property is utilized in the site-specific conjugation of biomolecules, such as proteins or peptides, for drug delivery systems, diagnostic assays, and research tools. Additionally, its PEG (polyethylene glycol) spacer enhances solubility and reduces non-specific interactions, making it suitable for applications in biocompatible coatings and targeted therapeutics.