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Br-PEG1-acid - CAS 1393330-33-0

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Br-PEG1-acid is a PEG linker containing a bromide group and a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. 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.

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Molecular Formula
C5H9BrO3
Molecular Weight
197.03

Br-PEG1-acid

    • Specification
      • Purity
        ≥95%
        Appearance
        Pale Yellow Oily Matter
        Storage
        Store at 2-8°C
        Shipping
        Room temperature in continental US; may vary elsewhere.
        IUPAC Name
        3-(2-bromoethoxy)propanoic acid
        Synonyms
        Bromo-PEG1-Acid; Bromo-PEG1-propionic acid; Br-PEG1-CH2CH2COOH; Propanoic acid, 3-(2-bromoethoxy)-
    • Properties
      • Boiling Point
        301.7±22.0°C at 760 mmHg
        Density
        1.6±0.1 g/cm3
        InChI Key
        REBYHCQUFPLTTH-UHFFFAOYSA-N
        InChI
        InChI=1S/C5H9BrO3/c6-2-4-9-3-1-5(7)8/h1-4H2,(H,7,8)
        Canonical SMILES
        C(COCCBr)C(=O)O
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Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
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