4arm-PEG-SG (4arm-PEG-Succinimidyl Glutarate), MW 20K is a cleavable PEG linker. Cleavable labile PEG linker. A cleavable ester linker between PEG and NHS ester enables the properties of a “degradable” hydrogel.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.