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Fluorescein-PEG-NHS ester is a versatile and widely used reagent in drug research and development. It belongs to the family of NHS esters, which are commonly used in bioconjugation reactions for labeling and detecting biomolecules. This molecule is composed of a fluorescein dye linked to a PEG (polyethylene glycol) spacer and an NHS (N-hydroxysuccinimide) ester functional group. The NHS ester group enables the molecule to react with primary amines in proteins, peptides, and other molecules to form stable covalent conjugates.

Fluorescein-PEG-NHS ester is particularly useful in drug research and development as it allows for the labeling and tracking of drug molecules in cells and tissues. This helps to understand the behavior and distribution of drugs in biological systems and to optimize their efficacy and safety. Furthermore, the fluorescent properties of the fluorescein dye enable the molecule to be used as a diagnostic tool in imaging studies.

Fluorescein-PEG-NHS ester

Cat# Name Structure M.W. Purity Pricing
AP13409Fluorescein-PEG6-bis-NHS ester939≥95% Pricing
AP13407Fluorescein-PEG5-NHS ester795.8≥95% Pricing
AP13408Fluorescein-PEG6-NHS ester839.9≥95% Pricing

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