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Cholesterol-PEG-Acid is composed of a PEG chain that is covalently linked to a cholesterol molecule via an acid functional group (-COOH). The acid group confers the compound with a unique chemical reactivity.

Cholesterol-PEG-Acid has been utilized in the development of drug delivery systems, such as liposomes and nanoparticles. The cholesterol moiety is known for its ability to interact with cell membranes, allowing for efficient cellular uptake of drug-loaded particles. The PEG chain provides steric stabilization, which increases the circulation time of the particles in vivo and reduces clearance by the reticuloendothelial system.

The acid group of Cholesterol-PEG-Acid can also be used for the conjugation of various biomolecules, such as peptides and proteins, via amide bond formation. This enables the targeted delivery of drugs to specific cells or tissues, improving therapeutic efficacy while minimizing side effects.


Cat# Name Structure M.W. Purity Pricing
AP13489Cholesterol-PEG-Acid, MW 1K1000≥95% Pricing
AP13500Cholesterol-PEG-Acid, MW 2K2000≥95% Pricing
AP13515Cholesterol-PEG-Acid, MW 3.4K3400≥95% Pricing
AP13523Cholesterol-PEG-Acid, MW 5K5000≥95% Pricing

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