|Molecular formula||NA||Molecular weight||2000、3400、5000,Customizable|
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synonym：mpeg-nh2、Methoxypolyoxyethylene amine o - (2-aminoethyl) - o '- methyl polyethylene glycol
1g（Specifications can be customized）
Molecular weight (PEG): 2000, 3400, 5000, other molecular weights can be customized
Properties: Based on different molecular weights, it is white / almost white solid or viscous liquid.
Solvent: water, chloroform, DMSO, dichloromethane and other conventional organic solvents.
Stability: cold storage, avoid repeated freezing and thawing.
CAS No.: 80506-64-5
Reaction group: NH2
Reactive activity: COOH, NHS.
In order to ensure the stability of the product, please note that the package can only be opened for use after constant temperature drying!
Mpeg-nh2 is one of the monofunctional methoxy polyethylene glycol derivatives with terminal amino groups. Amino groups react rapidly with succinimide NHS ester, carboxyl group and many other amine reactive functional groups in aqueous buffer or organic solvent. Amino functional peg can be used to modify proteins, peptides, antibodies, particles and other materials through its free primary amine group. The amino end of the product has higher activity for acylation reagent than for hydroxyl group, so it is easy to carry out reductive amination reaction. Using the reactivity of amino group, other molecules can be linked to it by forming stable chemical bonds (such as amide bond, carbamate bond, urea bond and intermediate amine bond). They can be used to prepare ligands with bioactive compounds, carriers for peptide synthesis, polymer grafts and PEG coatings, and PEG glycoprotein ligands.
NH2-PEG-NHS should be stored at -20℃. Desiccate. Materials may be handled under inert gas for best stability. Re-test material after 12 months.
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