TCO-PEG-TCO,MW 5K linker contains two terminal TCO group. TCO group specifically reacts with tetrazine to form a stable linkage through a ultrafast bioorthogonal ligation process. The hydrophilic PEG linker increase the solubility of compounds in aqueous media.
AxisPharm offers 4000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.