OPSS PEG Succinimidyl Carboxymethyl Ester (OPSS-PEG-NHS), MW 3.5K is a linear heterobifunctional PEGylation reagent. Typically used as a crosslinker or as a spacer between two different chemical entities.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
