18:1 PEG PE, MW 550 CAS:474922-90-2 is a polyethylene glycol/phosphatidylethanolamine conjugate. Pegylated phospholipids are amphiphilic polymers. Reduces random binding of quantum dot-labeled proteins to lipid bilayers in liposomes.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.