Azido-PEG4-Azide CAS:101187-39-7 is a bifunctional, linear polyethylene glycol (PEG) derivative containing azide functional groups at both ends. These azide moieties enable efficient, site-specific conjugation reactions via click chemistry, while the PEG4 spacer provides a flexible, hydrophilic linker that enhances the solubility and stability of biomolecules.
In pharmaceutical research and development, Azido-PEG4-Azide is widely employed as a versatile linker for bioconjugation of various biomolecules, including proteins, peptides, antibodies, and drug candidates. Its application facilitates the synthesis of targeted therapeutics, drug delivery systems, and molecular imaging probes, contributing to the advancement of precision medicine and diagnostic technologies.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.