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Propargyl-PEG6-COOtBu - CAS 1355197-95-3

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Propargyl-PEG6-COOtBu is a PEG crosslinker containing a propargyl group and a t-butyl protected carboxyl group. Under the catalysis of copper, propargyl group can react with azide-bearing compounds to produce stable triazole compounds. The hydrophilic PEG spacer increases solubility in aqueous media.

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Molecular Formula
C20H36O8
Molecular Weight
404.5

Propargyl-PEG6-COOtBu

    • Specification
      • Purity
        ≥95%
        Solubility
        Soluble in DMSO, DCM
        Appearance
        Pale Yellow or Colorless Oily Matter
        Storage
        Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)
        Shipping
        Room temperature in continental US; may vary elsewhere.
        IUPAC Name
        tert-butyl 3-[2-[2-[2-[2-(2-prop-2-ynoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]propanoate
        Synonyms
        Propargyl-PEG6-t-butyl ester; Propargyl-PEG6-Boc; tert-butyl 2-((prop-2-yn-1-yloxy)methyl)-3,6,9,12,15-pentaoxaheptadecanoate
    • Properties
      • Boiling Point
        458.4±40.0 °C at 760 mmHg
        Density
        1.1±0.1 g/cm3
        InChI Key
        QNWQLRBFWIUOKY-UHFFFAOYSA-N
        InChI
        InChI=1S/C20H36O8/c1-5-7-22-9-11-24-13-15-26-17-18-27-16-14-25-12-10-23-8-6-19(21)28-20(2,3)4/h1H,6-18H2,2-4H3
        Canonical SMILES
        CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCOCC#C
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