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BrCH2CONH-PEG3-acid - CAS 1807534-79-7

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BrCH2CONH-PEG3-acid is a PEG linker containing a bromide group and a terminal carboxylic acid. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. 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
C11H20BrNO6
Molecular Weight
342.19

BrCH2CONH-PEG3-acid

    • 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
        3-[2-[2-[2-[(2-bromoacetyl)amino]ethoxy]ethoxy]ethoxy]propanoic acid
        Synonyms
        Bromoacetamido-PEG3-C2-acid; Bromoacetamido-PEG3-CH2CH2COOH; Bromoacetamido-PEG3-acid; 1-bromo-2-oxo-6,9,12-trioxa-3-azapentadecan-15-oic acid; Propanoic acid, 3-[2-[2-[2-[(2-bromoacetyl)amino]ethoxy]ethoxy]ethoxy]-; 6,9,12-Trioxa-3-azapentadecan-15-oic acid, 1-bromo-2-oxo-; 3-(2-{2-[2-(2-bromoacetamido)ethoxy]ethoxy}ethoxy)propanoic acid
    • Properties
      • Boiling Point
        524.3±50.0°C at 760 mmHg
        Density
        1.4±0.1 g/cm3
        InChI Key
        NZRUJYJTSFKZEG-UHFFFAOYSA-N
        InChI
        InChI=1S/C11H20BrNO6/c12-9-10(14)13-2-4-18-6-8-19-7-5-17-3-1-11(15)16/h1-9H2,(H,13,14)(H,15,16)
        Canonical SMILES
        C(COCCOCCOCCNC(=O)CBr)C(=O)O
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