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m-PEG5-COOH - CAS 81836-43-3

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m-PEG5-COOH is a PEG linker containing a terminal carboxylic acid. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media.

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Molecular Formula
C12H24O7
Molecular Weight
280.31

m-PEG5-COOH

    • Specification
      • Purity
        ≥95%
        Solubility
        Soluble in DCM, DMF, DMSO, Water
        Appearance
        Pale Yellow or Colorless Oily Liquid
        Storage
        Store at 2-8°C
        Shipping
        Room temperature in continental US; may vary elsewhere.
        IUPAC Name
        3-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]propanoic acid
        Synonyms
        mPEG4-propionic acid; 2,5,8,11,14-Pentaoxaheptadecan-17-oic acid; mPEG4-OC2H4COOH; m-PEG5-acid; mPEG4-CH2CH2COOH; 4,7,10,13,16-Pentaoxaheptadecanoic acid; 2,5,8,11,14-Pentaoxa-17-heptadecanoic Acid; MeO-(CH2CH2O)4-CH2CH2COOH
    • Properties
      • Boiling Point
        393.0±37.0 °C at 760 mmHg
        Density
        1.107±0.06 g/cm3 (Predicted)
        InChI Key
        KTTNUZHOERZAMX-UHFFFAOYSA-N
        InChI
        InChI=1S/C12H24O7/c1-15-4-5-17-8-9-19-11-10-18-7-6-16-3-2-12(13)14/h2-11H2,1H3,(H,13,14)
        Canonical SMILES
        COCCOCCOCCOCCOCCC(=O)O
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It is commonly abbreviated as: C1V1 = C2V2

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Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
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