Azide-PEG-Azide(N3-PEG-N3), MW 3.4K is a linear bifunctional PEG reagent with two azide (N3) groups. For cross-linking PEGylation via click chemistry reactions between azides and alkynes or acetylenes.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.