Amine-PEG-CH2COOH (MW 2000)

• CAT Number: I045928
• Molecular Weight: 2000(Average)
• Purity: ≥95%

Amine-PEG-CH₂COOH (MW 2000)（Cat No.:I045928）is a heterobifunctional polyethylene glycol derivative with a molecular weight of 2,000 Da, featuring a primary amine at one terminus and a carboxylic acid at the other. The amine group reacts efficiently with carboxyls, NHS esters, or aldehydes, while the carboxyl group enables coupling to amines or hydroxyl groups through conventional activation chemistries. The PEG backbone enhances solubility, stability, and biocompatibility while minimizing immunogenicity and steric hindrance. This versatile reagent is widely applied in bioconjugation, surface functionalization, nanoparticle engineering, and drug delivery system development.