Cholesterol-PEG-Amine (CLS-PEG-NH2), MW 5K is a lipophilic lipid PEG conjugate with good water solubility. In the presence of activators such as HATU or EDC, the terminal amine can be combined with NHS ester compounds or Carboxylic acid molecules react.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.