CAS:439114-13-3丨α,ω-dipropionic Acid Tetraethylene Glycol

The compound corresponding to CAS No. 439114-13-3 is a polyethylene glycol (PEG) derivative containing dual terminal carboxyl groups. Its common names include α,ω-Dipropionic acid tetraethylene glycol, Bis-PEG5-acid, COOH-PEG4-COOH, and 4,7,10,13,16-Pentaoxanonadecanedioic Acid. Its molecular formula is C14H26O9, and its molecular weight is about 338.35 g/mol.
α,ω-dipropionic Acid Tetraethylene Glycol which is resistant to biotinidase. It can be used in the synthesis of peptides by coupling with reactive groups on the side chains of amino acid residues.

α,ω-dipropionic Acid Tetraethylene Glycol is mainly used as a scientific research reagent, especially as a bifunctional PEG linker in the biopharmaceutical field, used to modify proteins, antibodies or nanoparticles to improve their water solubility, stability or targeting. Its dicarboxyl structure can be combined with amino-containing molecules through chemical reactions (such as amidation), and is widely used in drug delivery systems, bioconjugation technology and material science research.

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