Cholesterol-PEG-Vinyl Sulfone, MW 3.4K is an amphiphilic conjugate composed of cholesterol, a 3400 Da PEG spacer, and a vinyl sulfone group. It is widely used for thiol-specific bioconjugation, nanoparticle stabilization, and liposome surface modification in drug delivery systems.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.

