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Cy5-PEG-Maleimide is a molecule commonly used in pharmaceutical research and development due to its unique functional groups and properties. This molecule is composed of three distinct components: Cy5, a fluorescent dye that can be used for imaging studies; PEG, a hydrophilic polymer that enhances solubility and stability; and Maleimide, a thiol-reactive group that allows for conjugation with proteins or peptides.

The Maleimide functional group is particularly useful in drug development as it can selectively react with sulfhydryl groups found on cysteine residues in proteins, creating stable and covalent linkages between drug molecules and proteins. This conjugation can improve the pharmacokinetics and efficacy of drugs, as well as reduce toxicity and increase specificity.

The PEG component of Cy5-PEG-Maleimide provides the molecule with several advantageous properties, including increased solubility, improved biocompatibility, and reduced immunogenicity. These properties make PEGylation a popular technique in drug development, as it can enhance the pharmacological profile of drugs by increasing their half-life and reducing their clearance rate.

Cat# Name Structure M.W. Purity Pricing
AP15138Cy5-PEG-Mal ,MW 2K2000≥95% Pricing
AP15139Cy5-PEG-Mal ,MW 10K10000≥95% Pricing

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