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Br-PEG1-COOtBu - CAS 1393330-36-3

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Br-PEG1-COOtBu is a PEG linker containing a bromide group and a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

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Molecular Formula
C9H17BrO3
Molecular Weight
253.14

Br-PEG1-COOtBu

    • Specification
      • Purity
        ≥95%
        Solubility
        Soluble in DCM, Hexane
        Appearance
        Colorless Oily Matter
        Storage
        Store at 2-8°C
        Shipping
        Room temperature in continental US; may vary elsewhere.
        IUPAC Name
        tert-butyl 3-(2-bromoethoxy)propanoate
        Synonyms
        Bromo-PEG1-t-butyl ester; Br-PEG1-CH2CH2COOtBu; Bromo-PEG1-C2-Boc; Propanoic acid, 3-(2-bromoethoxy)-, 1,1-dimethylethyl ester; 2-Methyl-2-propanyl 3-(2-bromoethoxy)propanoate
    • Properties
      • Boiling Point
        285.0±15.0°C (Predicted)
        Density
        1.264±0.06 g/cm3 (Predicted)
        InChI Key
        KRGOEVTUVNSLIG-UHFFFAOYSA-N
        InChI
        InChI=1S/C9H17BrO3/c1-9(2,3)13-8(11)4-6-12-7-5-10/h4-7H2,1-3H3
        Canonical SMILES
        CC(C)(C)OC(=O)CCOCCBr
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