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Medchemexpress LLC 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[poly(ethylene glycol)-maleimide] ammonium | 474922-22-0 | >95.0% | 3,400 Da | (C2H4O)nC51H92N3O13P.H3N | 250 MG
SDP

Supplier:  Medchemexpress LLC HYW441009A250MG

Encompass_Preferred

DSPE-PEG-Maleimide (MW 3400) ammonium is a PEGylated phospholipid bearing a terminal maleimide group and supplied as the ammonium salt. It is used to introduce thiol-reactive functionality into liposomes, micelles, and other nanostructured lipid carriers for conjugation of peptides, proteins, and thiolated ligands in drug delivery and nanomedicine research.

  • Provides a terminal maleimide for selective conjugation to thiol groups.
  • PEG spacer (MW ~3,400) improves steric stabilization and circulation time.
  • DSPE lipid anchor enables stable incorporation into lipid bilayers and micelles.
  • Ammonium salt form aids solubility and handling in formulation workflows.
  • Typical purity ≥95% suitable for research applications; verify COA for critical uses.

Catalog No. 50-002-81718


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