Bis-PEG3-NHS ester

For research use only. Not for therapeutic Use.

  • CAT Number: I014249
  • CAS Number: 1314378-16-9
  • Molecular Formula: C18H24N2O11
  • Molecular Weight: 444.39
  • Purity: ≥95%
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Bis-PEG3-NHS ester(Cat No.:I014249)is a homobifunctional crosslinker containing two N-hydroxysuccinimide (NHS) ester groups connected by a triethylene glycol (PEG3) spacer. It reacts efficiently with primary amines on proteins, peptides, or other biomolecules, forming stable amide bonds. The PEG3 linker enhances solubility, minimizes aggregation, and provides flexibility to improve conjugate stability. Bis-PEG3-NHS ester is widely used in protein–protein crosslinking, antibody modification, and surface functionalization. Its balanced reactivity and hydrophilic spacer make it an effective tool for bioconjugation, chemical biology, and drug delivery system development.


CAS Number 1314378-16-9
Synonyms

(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]propanoate

Molecular Formula C18H24N2O11
Purity ≥95%
IUPAC Name (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]propanoate
InChI InChI=1S/C18H24N2O11/c21-13-1-2-14(22)19(13)30-17(25)5-7-27-9-11-29-12-10-28-8-6-18(26)31-20-15(23)3-4-16(20)24/h1-12H2
InChIKey OPGNUERFYQLUNP-UHFFFAOYSA-N
SMILES C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCC(=O)ON2C(=O)CCC2=O
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