Hydroxyl PEG Amine(HO-PEG-NH2), HCl Salt, MW 5K is a heterobifunctional hydroxy PEG amine product where the amine groups react with activated NHS esters 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.