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Mal-amide-PEG-oxyamine is a chemical compound that belongs to the class of polyethylene glycol (PEG) derivatives. This compound contains three functional groups, including a maleimide group (-Mal), an amide group (-NHCO-), and an oxyamine group (-NH2O-), which provide it with unique properties and potential applications in pharmaceutical research and development.

The maleimide group in Mal-amide-PEG-oxyamine has been widely used for the selective conjugation of thiol-containing molecules, such as cysteine residues in proteins or peptides. The amide group, on the other hand, provides a stable and biocompatible linkage between the PEG chain and the maleimide group. The oxyamine group can react with various carbonyl groups, such as aldehydes and ketones, enabling the covalent attachment of Mal-amide-PEG-oxyamine to diverse biomolecules.

Mal-amide-PEG-oxyamine has been utilized in the development of novel drug delivery systems, such as antibody-drug conjugates (ADCs) and nanocarriers.Mal-amide-PEG-oxyamine can be conjugated to an antibody or peptide via the maleimide group, forming a stable and targeted ADC that can selectively deliver a drug payload to specific cells or tissues. Additionally, the oxyamine group can react with various carbonyl groups on the surface of nanoparticles, resulting in the formation of stable and functionalized nanocarriers.

In addition to its use in drug delivery systems, Mal-amide-PEG-oxyamine has been employed in the development of various biosensors and imaging agents.Mal-amide-PEG-oxyamine can be conjugated to fluorescent dyes or imaging probes via the maleimide group, resulting in a stable and biocompatible imaging agent that can be used for in vitro or in vivo imaging.


Cat# Name Structure M.W. Purity Pricing
AP10062Mal-amide-PEG2-oxyamine315.32≥95% Pricing
AP10061Mal-amide-PEG3-oxyamine359.38≥95% Pricing
AP10060Mal-amide-PEG2-oxyamineBoc415.44≥95% Pricing
AP10059Mal-amide-PEG3-oxyamineBoc459.49≥95% Pricing

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