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DSPE-PEG2000-COOH is a carboxyl-terminated PEG derivative of phosphatidylserine with a molecular weight of approximately 2000. DSPE provides lipophilicity and membrane-fusion properties, whilst PEG enhances stability; the carboxyl group can be used for coupling reactions with amine groups. DSPE-PEG2000-COOH is commonly used in the preparation of liposomes and nanolipid carriers, and can form micelles for drug delivery and biomedical research.
| Formula | (C2H4O)nC48H91N2O13P |
| CAS Number | 1445832-74-5 |
| Solubility (25°C) | Water 25 mg/mL DMSO 25 mg/mL |
| Storage | Powder -20°C |
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