S-Acetyl-PEG3-azide is a PEG derivative containing an azide group and a sulfur acetyl group. The azide reacts with alkyne through Click Chemistry to form stable triazole linkage. The hydrophilic PEG spacer can increase solubility in aqueous media.
AxisPharm offers 4000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.