Endo-BCN-PEG-peptide is a type of peptide-based molecule that has gained significant attention in recent years due to its unique properties and potential applications in pharmaceutical research and development. This molecule contains several functional groups, including endo-BCN (1,2,4,5-tetrazine), PEG (polyethylene glycol), and peptide, which contribute to its overall structure and function. Endo-BCN is a highly reactive functional group that allows for efficient conjugation to a variety of molecules, including peptides and proteins, while PEG provides solubility and biocompatibility. The peptide component of the molecule can be tailored to specific biological targets, making endo-BCN-PEG-peptide a promising tool for drug delivery and imaging applications. These properties make endo-BCN-PEG-peptide an attractive candidate for use in the pharmaceutical industry, particularly for the development of targeted therapeutics and imaging agents.