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Methylamino-PEG-acid is a chemical compound belonging to the class of polyethylene glycol (PEG) derivatives. This compound contains a methylamino functional group (-NHCH3) attached to the end of a PEG chain, and a carboxylic acid group (-COOH) attached to the other end. These functional groups are important in the field of pharmaceutical research and development, as they offer unique opportunities for drug conjugation and bioconjugation.

Methylamino-PEG-acid is commonly used in the design of targeted drug delivery systems, which are designed to selectively deliver therapeutic agents to specific tissues or cells in the body. The methylamino group can be used to attach a targeting moiety, such as a peptide or antibody, to the PEG chain via amide bond formation. The resulting conjugate can then be selectively taken up by cells that express the corresponding receptor, leading to improved therapeutic efficacy and reduced side effects.

In addition to its use in targeted drug delivery systems, methylamino-PEG-acid can also be used in the development of bioconjugates for diagnostic and imaging purposes. The carboxylic acid group can be used to attach a variety of imaging agents, such as fluorescent dyes or radionuclides, to the PEG chain via amide bond formation. The resulting bioconjugate can then be used to image specific tissues or cells in vivo, providing valuable diagnostic information.


Cat# Name Structure M.W. Purity Pricing
AP11599Methylamino-PEG1-acid HCl salt147.17≥95% Pricing
AP11600Methylamino-PEG2-acid HCl salt191.23≥95% Pricing
AP11601Methylamino-PEG4-acid HCl salt279.33≥95% Pricing

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