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2136-1g 1 g $450 in stock
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Bifunctional PEG2-based crosslinker having terminal alkyne and alkyl iodide groups.

Alkyl iodides are among the most powerful alkylators. They alkylate various O-, S-, N- and C-nuclophiles. This reactive derivative can be used for the preparation of different molecules with terminal alkyne group. Terminal alkyne is a versatile synthon that participates in Sonogashira coupling and click chemistry reaction.

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Homobifunctional PEG3 based linker with halogen reactive groups is useful for the crosslinking of nucleophiles.


PEG3 with alkyne and iodide functional groups, a reactive and hydrophilic linker for alkylation and click chemistry.
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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.

General properties

Appearance: colorless to yellow oil
Molecular weight: 254.07
CAS number: 1234387-33-7
Molecular formula: C7H11IO2
IUPAC name: 3-(2-(2-iodoethoxy)ethoxy)prop-1-yne
Solubility: soluble in water, polar organic solvents
Quality control: NMR 1H, GC-MS (95%)
Storage conditions: Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks.
MSDS: Download
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