Used in bioconjugation and protein modification due to its ability to form stable oxime linkages with carbonyl groups (aldehydes or ketones) under mild conditions. The Boc-protected aminooxy group allows for selective and controlled coupling, while the SS (disulfide) linker provides a cleavable bond in reducing environments, making it ideal for drug delivery systems and reversible immobilization of biomolecules. Commonly applied in the development of antibody-drug conjugates (ADCs), peptide modifications, and functionalization of surfaces in biosensors. The propanol end can be further modified for attachment to solid supports or fluorescent tags.