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Propargyl-PEG2-COOtBu - CAS 1807503-80-5

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Propargyl-PEG2-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
C12H20O4
Molecular Weight
228.29

Propargyl-PEG2-COOtBu

    • Specification
      • Purity
        ≥95%
        Solubility
        Soluble in DMSO
        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-prop-2-ynoxyethoxy)propanoate
        Synonyms
        Propargyl-PEG2-t-butyl ester; Propargyl-PEG2-Boc; tert-butyl 3-(2-prop-2-ynoxyethoxy)propanoate
    • Properties
      • Boiling Point
        290.5±20.0 °C at 760 mmHg
        Density
        1.0±0.1 g/cm3
        InChI Key
        DPARWKDJMUCBKM-UHFFFAOYSA-N
        InChI
        InChI=1S/C12H20O4/c1-5-7-14-9-10-15-8-6-11(13)16-12(2,3)4/h1H,6-10H2,2-4H3
        Canonical SMILES
        CC(C)(C)OC(=O)CCOCCOCC#C
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