Amine-PEG-CH2COOH (MW 5000) is a polyethylene glycol (PEG) derivative employed as a linker in the synthesis of proteolysis targeting chimeras (PROTACs)[1].
Azide-PEG-amine (MW 5000) is a polyethylene glycol (PEG)-derived linker compound with azide functionality, primarily utilized in the synthesis of proteolysis-targeting chimeras (PROTACs)[1].