Product Description
1,2-distearoyl-sn-glycero-3-phosphoethanolamine-PEG-succinic acid (DSPE-PEG-COOH), (or N-succinyl-L-α-phosphatidylethanolamine, Distearoyl) is a DSPE-PEG conjugate with carboxylic acid group at the end of PEG. DSPE-PEG-COOH is used to prepare long-circulating liposomes with free -COOH on the liposome surface for further modification. It is extensively used for targeted drug/gene delivery.