Fmoc-Bpa-OH is widely used in peptide synthesis, particularly in the preparation of photoactivatable peptides. Its incorporation into peptide chains allows for cross-linking studies, enabling researchers to investigate protein-protein interactions and structural conformations. The compound is also valuable in the development of bioactive peptides, where it serves as a protective group for the amino acid during solid-phase synthesis. Additionally, it is utilized in the study of peptide-based drug delivery systems, where its photoactivatable properties can be leveraged for targeted release mechanisms. Its role in bioconjugation and labeling experiments further highlights its importance in biochemical and pharmaceutical research.