Hydroxyl PEG Acetic Acid (Hydroxyl PEG Carboxymethyl), MW 5K is used as a crosslinker or spacer between two different chemical entities. It reacts with primary amines and activators to form stable amide bonds. Hydroxyl can be further derivatized
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.