C8 PEG Ceramide, MW 5K CAS: 212116-76-2 is a ceramide PEGylated lipid complex, its acyl chain length is not the same, it is a heterogeneous lipid molecule, polymer size and acyl chain Length affects the transfection efficiency and formation of stable plasmid-lipid particles (SPLP).
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.