4-Arm PEG-DSPE is a 4-Arm PEG with each of the four PEG arms terminated with a phospholipid of saturated C18 stearoyl fatty acid (octadecanoic acid). DSPE: 1,2-Distearoyl-sn-glycero-3-phosphoethanolamine, CAS: 1069-79-0. Other PEG lipid reagents including arachidic, palmitic, myristic, lauric, and capric acid, and unsaturated fatty acids are provided through our custom synthesis service. PEG-phospholipid can be used to form stealth liposome or micelle for targeted drug delivery and drug solubility enhancement.
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