Mal-PEG6-NHSester is a noncleavable ADC linker consisting of a Maleimide functional group, a 6-unit Polyethylene Glycol (PEG) spacer, and an N-Hydroxysuccinimide (NHS) ester moiety.
Mal-amido-PEG6-NHSester is a polyethylene glycol (PEG)-based linker, specifically designed for the synthesis of proteolysis-targeting chimeras (PROTACs)[1].