Cholesterol-PEG-Folate (CLS-PEG-FA), MW 5K is a linear amphoteric polymer with good water solubility, folate-functionalized nanoparticles can be combined with folate receptors for targeted drug delivery.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.