Br-PEG4-COOtBu - CAS 564476-32-0

Br-PEG4-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
C15H29BrO6
Molecular Weight
385.29

Br-PEG4-COOtBu

    • Specification
      • Purity
        ≥95%
        Solubility
        Soluble in DCM, DMF, DMSO
        Appearance
        Pale Yellow or Colorless Oily Matter
        Storage
        Store at 2-8°C
        Shipping
        Room temperature
        IUPAC Name
        tert-butyl 3-[2-[2-[2-(2-bromoethoxy)ethoxy]ethoxy]ethoxy]propanoate
        Synonyms
        Bromo-PEG4-t-butyl ester; Br-PEG4-CH2CH2COOtBu; Bromo-PEG4-C2-Boc; 15-Bromo-4,7,10,13-tetraoxapentadecanoic acid tert-butyl ester; 3,6,9,12-Tetraoxapentadecan-15-oic acid, 1-bromo-, 1,1-dimethylethyl ester; 2-Methyl-2-propanyl 1-bromo-3,6,9,12-tetraoxapentadecan-15-oate; tert-butyl 1-bromo-3,6,9,12-tetraoxapentadecan-15-oate
    • Properties
      • Boiling Point
        415.8±35.0°C (Predicted)
        Density
        1.210±0.06 g/cm3 (Predicted)
        InChI Key
        WLKHUFASPMJBHB-UHFFFAOYSA-N
        InChI
        InChI=1S/C15H29BrO6/c1-15(2,3)22-14(17)4-6-18-8-10-20-12-13-21-11-9-19-7-5-16/h4-13H2,1-3H3
        Canonical SMILES
        CC(C)(C)OC(=O)CCOCCOCCOCCOCCBr
Bio Calculators
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* Total Molecular Weight:
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Tip: Chemical formula is case sensitive. C22H30N4O c22h30n40
g/mol
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