Propargyl-PEG8-NHS ester is an amine reactive compound with an alkyne group. The alkyne group reacts with azide-containing biomolecules in Click Chemistry reactions, copper is needed as a catalyst. The hydrophilic PEG units helps the compound to have better solubility in aqueous environment.
Propargyl-PEG8-NHS ester is a PROTAC bridge, belonging to the PEG class and the Alkyl/ether class. It can be used to synthesize a range of PROTAC molecules. And it is a cleavable ADC linker for the synthesis of antibody drug conjugates (ADCs).