4arm PEG Succinimidyl Carboxymethyl Ester (4-Arm PEG-SCM), MW 10K is a multi-arm PEG derivative with succinimidyl ester at the end of four arms, which can be cross-linked into PEG hydrogel.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
