Axispharm offers you high purity 4arm PEG Acrylate, MW 5K is a multi-armed PEG derivative with acrylates at the ends of the four arms on a pentaerythritol core. 4arm-PEG acrylates can be used with free radical initiators or UV light-induced polymerization to synthesize PEG hydrogels. Acrylate groups can be used for free radical polymerization or thiol-ene reactions.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.