Product Description: BCN-exo-PEG8-NHS is an ADC Linker containing 8 PEG units. BCN-exo-PEG8-NHS contains the lyophilic bidentate macrocyclic ligand BCN, which allows for further synthesis of macrocyclic complexes. In click chemistry, BCN reacts with molecules containing azide groups to form stable triazoles in the absence of catalysts.