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Medchemexpress LLC DSPE-PEG-maleimide (MW 3400) ammonium | 474922-22-0 | >95.0% | 3,400 Da | (C2H4O)nC52H93N3NaO13P | 100 MG
SDP

Supplier:  Medchemexpress LLC HYW441009A100MG

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DSPE-PEG-Maleimide (MW 3400) ammonium is a PEGylated phospholipid that combines a DSPE lipid anchor with a polyethylene glycol spacer terminating in a maleimide group. Supplied as the ammonium salt, it is used for thiol-selective conjugation to cysteine-containing ligands and for incorporation into liposomes, micelles, and lipid nanoparticles to support targeted delivery and extended circulation.

  • Thiol-reactive maleimide terminus for site-specific conjugation.
  • PEG spacer (~3,400 Da) provides steric stabilization and prolonged circulation.
  • DSPE lipid anchor enables stable incorporation into bilayers and nanoparticles.
  • Available as an ammonium salt, solid form for storage and formulation.
  • Typical purity ≥95% by supplier specifications.

Catalog No. 50-002-81754


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