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Structure of 2952895-31-5
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m-PEG4-PFP ester features a hydrophilic PEG4 spacer flanked by a reactive pyridine-2,4-difluorophenyl (PFP) ester group, enabling efficient conjugation to primary amines under mild conditions. This bench-stable reagent facilitates site-specific labeling of biomolecules with minimal aggregation and enhanced solubility in aqueous environments.
m-PEG4-PFP ester serves as a stable, water-soluble coupling reagent for amine functionalization, enabling efficient conjugation under physiological conditions. Its PFP ester moiety reacts selectively with primary amines to form robust amide bonds, while the central m-PEG4 spacer provides enhanced solubility and reduced steric hindrance. Ideal for bioconjugation workflows requiring precise spacing and minimal aggregation.
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Lot numbers can be found on the outside label of a product: