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Br-PEG6-acid - CAS 309916-91-4

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Br-PEG6-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
C15H29BrO8
Molecular Weight
417.29

Br-PEG6-acid

    • Specification
      • Purity
        ≥95%
        Appearance
        Pale Yellow or Colorless Oily Matter
        Storage
        Store at 2-8°C
        Shipping
        Room temperature in continental US; may vary elsewhere.
        IUPAC Name
        3-[2-[2-[2-[2-[2-(2-bromoethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
        Synonyms
        Bromo-PEG6-propionic acid; Br-PEG6-CH2CH2COOH; Bromo-PEG6-Acid; Br-PEG6-C2-acid; 1-Bromo-3,6,9,12,15,18-hexaoxahenicosan-21-oic acid; Propanoic acid, 3-[(17-bromo-3,6,9,12,15-pentaoxaheptadec-1-yl)oxy]-; 3,6,9,12,15,18-Hexaoxaheneicosan-21-oic acid, 1-bromo-
    • Properties
      • Boiling Point
        496.1±45.0°C (Predicted)
        Density
        1.295±0.06 g/cm3 (Predicted)
        InChI Key
        YKYMNNOFNSOFAR-UHFFFAOYSA-N
        InChI
        InChI=1S/C15H29BrO8/c16-2-4-20-6-8-22-10-12-24-14-13-23-11-9-21-7-5-19-3-1-15(17)18/h1-14H2,(H,17,18)
        Canonical SMILES
        C(COCCOCCOCCOCCOCCOCCBr)C(=O)O
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* Total Molecular Weight:
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Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
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