The high-purity azido-PEG19-azido provided by Axispharm is a hydrophilic linker with two azido groups. Azides can also participate in the Staudinger ligation reaction. Both groups can be modified by click chemistry, either by copper-catalyzed reaction with terminal alkynes, or by copper-free reaction with cycloalkynes.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
