The endo-BCN reacts with azide-bearing compounds or biomolecules via copper free Click Chemistry to yield a stable triazole linkage. The free amine can under conjugation process with acid or activated acid ester bearing biomolecules. The PEG spacer increase the solubility of the resulting complex in aqueous media.
Axispharm offers 3000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.