Cholesterol-PEG-methoxy (Cholesterol-MPEG, CLS-MPEG), MW 5K is a linear heterobifunctional PEG, PEG cholesterol derivatives can be used to make liposomes to improve the circulation time of encapsulated drugs. They can also be used in non-viral transfection reagents.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.