DSPE-PEG4-DBCO CAS:2112738-14-2 linker contains DSPE and DBCO moieties. The DSPE-PEGs have been FDA approved for medical applications. The hydrophobic properties of the DSPE allow for the encapsulation and congregation of other hydrophobic drugs. The hydrophilic PEG linker can increase the water solubility of the overall compound allowing for the delivery of the drug. The DBCO group can be used for copper-free Click Chemistry reactions.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.