Cholesterol-PEG-Azide (Cholesterol-PEG-N3, CLS-PEG-N3), MW 1K is a lipophilic lipid PEG conjugate with good water solubility. Unlike ester linkages, which are easily hydrolyzed in aqueous solution, the ether linkages between cholesterol and PEG are chemically strong and very stable.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.