N-(TCO)-N-bis(PEG4-NHS ester) is a branched click chemistry reagent with a terminal TCO group and two terminal NHS esters . The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
