Amine-PEG2-carboxylic acid

Cat. # Quantity Price Lead time
2817-250mg 250 mg $90 in stock
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Amine-PEG2-carboxylic acid is a bifunctional PEG2-derivative containing terminal carboxyl and amino groups. Hydrophilic PEG2 spacer is freely soluble in water.

The terminal amino group can react with activated esters, carbonyl compounds, and carbonic acids, e.g. in reductive amination reactions.

The carbonyl group in amine-PEG2-carboxylic acid can react with primary amino groups in the presence of activators (carbodiimides or HATU) resulting in a stable amide bond.

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Amine-PEG3-carboxylic acid

Hydrophilic PEG3-linker with a terminal amino group and a carboxyl group.

General properties

Appearance: white to off-yellow powder
Molecular weight: 177.20
CAS number: 791028-27-8
Molecular formula: C7H15NO4
IUPAC name: 3-(2-(2-Aminoethoxy)ethoxy)propanoic acid
Solubility: soluble in water
Quality control: NMR 1H and HPLC-MS (95+%)
Storage conditions: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate.
MSDS: Download
Product specifications
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