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mPEG2-bromide - CAS 54149-17-6

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mPEG2-bromide is a PEG linker containing a bromide group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

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Molecular Formula
C5H11BrO2
Molecular Weight
183.04

mPEG2-bromide

    • Specification
      • Purity
        ≥95%
        Appearance
        Clear colorless to pale yellow liquid
        Storage
        Store at 2-8°C
        Shipping
        Room temperature in continental US; may vary elsewhere.
        IUPAC Name
        1-(2-bromoethoxy)-2-methoxyethane
        Synonyms
        m-PEG2-Br; 1-Bromo-2-(2-methoxyethoxy)ethane; 1-Bromo-3,6-dioxaheptane; Ethane, 1-(2-bromoethoxy)-2-methoxy-; 2-(2-methoxyethoxy)ethyl bromide; Methyl-PEG2-bromide; 2-bromoethyl 2-methoxyethyl ether; Ethylene Glycol 2-Bromoethyl Methyl Ether
    • Properties
      • Boiling Point
        184.4±15.0°C at 760 mmHg
        Density
        1.3600 g/mL at 25°C
        InChI Key
        HUXJXNSHCKHFIL-UHFFFAOYSA-N
        InChI
        InChI=1S/C5H11BrO2/c1-7-4-5-8-3-2-6/h2-5H2,1H3
        Canonical SMILES
        COCCOCCBr
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It is commonly abbreviated as: C1V1 = C2V2

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