For research use only. Not for therapeutic Use.
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 |
Chemistry Calculators | Dilution Calculator In vivo Formulation Calculator Molarity Calculator Molecular Weight Calculator Reconstitution Calculator |