4arm PEG Amine, HCl Salt, MW 10K is an amine functionalized multi-arm PEG polymer whose 4arm PEG is synthesized by ethoxylation of pentaerythritol. The hydrochloride salt provides stability to the 4-arm amine PEG in solid form.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.