Azide-PEG-amine, MW 2K is a polyPEG containing azide and amine end groups. In contrast to other Click chemistries, azido PEG amines are soluble in water and all reactions can be performed in anhydrous buffers that require any organic solvent. Often used as a cross-linking agent or as a spacer between two different chemical entities.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.