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Structure of 209542-49-4
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m-PEG2-CH2CH2COOH features a methoxy-terminated PEG2 chain linked to a reactive carboxylic acid group, enabling efficient conjugation in bioconjugation workflows. This bifunctional architecture combines hydrophilic stability with site-specific coupling potential, facilitating use in peptide modification, nanoparticle functionalization, and probe synthesis under mild aqueous conditions.
m-PEG2-CH2CH2COOH serves as a versatile bifunctional linker for conjugation and polymer synthesis, combining the solubility and stability of a short PEG chain with a reactive carboxylic acid group. It enables efficient amide bond formation under standard coupling conditions, facilitating site-specific attachment to amines in peptides, proteins, or biomolecules. The molecule exhibits excellent bench stability and ease of purification, making it well-suited for use in diagnostic labeling, drug delivery systems, and solid-phase synthesis.
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Lot numbers can be found on the outside label of a product: