Hydroxyl PEG Acetic Acid(HO-PEG-Carboxymethyl), MW 3.5K is a PEG-based PROTAC linker that reacts with primary amines and activators such as EDC or HATU to form stable amide bonds. Hydroxyl groups can be further derivatized.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.