Endo-BCN-PEG-alcohol is a synthetic molecule that belongs to the class of endo-ring strained alkenes. The molecule contains functional groups such as the BCN (1,2,4,5-tetracyanobenzene) and PEG (polyethylene glycol) moieties, which impart unique properties to the molecule. Endo-BCN-PEG-alcohol has found extensive applications in pharmaceutical research and development, primarily due to its ability to form stable covalent bonds with biological molecules such as proteins and peptides. This property enables the molecule to be used in a wide range of applications, including drug delivery, imaging, and diagnostics. Moreover, the PEG moiety in the molecule provides improved solubility and biocompatibility, making it an ideal candidate for developing next-generation therapeutics.