Axispharm offers you high purity 4arm-PEG-ACRL, MW 20K which is a multi-arm PEG derivative with acrylates at the ends of all four arms attached to a pentaerythritol core. 4-arm-PEG acrylates can be used for free radical initiator or UV light-induced polymerization to synthesize PEG hydrogels. Acrylate groups can be used in 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.
