BCN-PEG3-NHS ester CAS:2101206-94-2 has a BCN group, a PEG3 spacer, and an NHS ester. The BCN group interacts with azides in copper-free click chemistry. It forms stable triazole linkages. PEG3 is a biocompatible polyethylene glycol molecule. It has two repeating units. The NHS ester group creates stable amide bonds with primary amines. This is useful in conjugation reactions. BCN-PEG3-NHS ester finds use in bioconjugation, drug delivery, and material science.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.