4-(N-Succinimidylcarboxy)benzophenone is a versatile compound widely utilized in chemical synthesis as a key crosslinking reagent. Its primary application lies in the functionalization of biomolecules, particularly proteins and peptides, for various research and industrial purposes. This compound acts as a coupling agent, forming stable amide bonds between the amino groups of proteins and peptides, enabling the conjugation of different molecules or tags.In peptide chemistry, 4-(N-Succinimidylcarboxy)benzophenone is commonly employed to facilitate the modification of peptides with fluorophores, biotin, or other functional groups for labeling and tracking studies. Additionally, it is utilized in the synthesis of peptide nucleic acids (PNAs) to enhance their binding affinity and stability.Furthermore, this reagent plays a crucial role in the development of protein-drug conjugates for targeted drug delivery systems. By linking therapeutic molecules to specific sites on proteins, 4-(N-Succinimidylcarboxy)benzophenone enables the selective delivery of drugs to desired locations within the body, minimizing off-target effects and enhancing therapeutic efficacy.Overall, the strategic application of 4-(N-Succinimidylcarboxy)benzophenone in chemical synthesis enables precise modifications of biomolecules, paving the way for advanced research in fields such as bioconjugation, drug delivery, and peptide chemistry.