Aminooxyacetamide-PEG4-propargyl linker contains a aminooxy group and a propargyl group. The aminooxy readily react with carbonyl groups such as aldehyde and ketone to form reversible oxime linkage. The propargyl group readily reacts with azide bearing biomolecules through a copper catalyzed click chemistry.
Axispharm offers 3000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.