Iodo-PEG3-carboxylic acid

Cat. # Quantity Price Lead time
2063-1g 1 g $190 in stock
2063-5g 5 g $795 in stock
2063-10g 10 g please inquire in stock
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A molecule containing carboxylic acid (COOH) group and alkyl iodide functional group.

Alkyl iodides are powerful alkylators. They react with a variety of nucleophiles, very active against thiol groups, amines, alcoholates, and phenolates.

This molecule allows performing a variety of conjugations via a flexible and hydrophilic PEG3 linker.

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Azide-PEG3-iodide is a bifunctional linker with a highly reactive alkylative halogen functional group and an azido group for click chemistry or Staudinger ligation.


Diethyleneglycol (PEG2) based bifunctional linker containing amine and alkyne functional groups.


A bifunctional linker molecule containing both terminal alkyne moiety for click chemistry, and amine group. Contains a long hydrophilic PEG4 arm.

General properties

Appearance: white to light brown oil
Molecular weight: 332.13
Molecular formula: C9H17IO5
Solubility: good in water, polar organic solvents
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
MSDS: Download
Product specifications
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