SG-PEG-SG (Succinimidyl Glutarate ester-PEG-Succinimidyl Glutarate ester), MW 10K is a linear homobifunctional PEG reagent with internal ester linkages that can be used in the design of reversible PEGylation strategies because esters are hydrolyzed under certain aqueous conditions.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.