18:0 PEG2000 PE | 880120
1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[methoxy(polyethylene glycol)-2000] (ammonium salt)
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- PEG-modified lipids are typically added to phospholipid vesicles used for drug delivery to provide a steric coating on the surface of the membrane to hinder clearing of the particles by the reticuloendothelial system (RES). This prolongs the circulating plasma half-life of the drug. The plasma half-life of the drug can be "tuned" from several hours to days depending on the size of the PEG and fatty acids attached to the lipid anchor.
- 1 Years
- CAS Number
CAS Registry Number is a Registered Trademark of the American Chemical Society
- Molecular Weight
- 2805.497 (average MW due to polydispersity of PEG)
- Transition Temp
- 12.8°C (melting transition in micelles)