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BrCH2CONH-PEG8-COOtBu - CAS 2055041-16-0

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BrCH2CONH-PEG8-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
C25H48BrNO11
Molecular Weight
618.56

BrCH2CONH-PEG8-COOtBu

    • Specification
      • Purity
        ≥95%
        Solubility
        Soluble in DCM, DMF, DMSO, Water
        Appearance
        Pale Yellow or Colorless Oily Matter
        Storage
        Store at 2-8°C
        Shipping
        Room temperature in continental US; may vary elsewhere.
        IUPAC Name
        tert-butyl 3-[2-[2-[2-[2-[2-[2-[2-[2-[(2-bromoacetyl)amino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
        Synonyms
        Bromoacetamido-PEG8-C2-Boc; Bromoacetamido-PEG8-t-butyl ester; tert-butyl 1-bromo-2-oxo-6,9,12,15,18,21,24,27-octaoxa-3-azatriacontan-30-oate; 4,7,10,13,16,19,22,25-Octaoxa-28-azatriacontanoic acid, 30-bromo-29-oxo-, 1,1-dimethylethyl ester; 2-Methyl-2-propanyl 1-bromo-2-oxo-6,9,12,15,18,21,24,27-octaoxa-3-azatriacontan-30-oate; 6,9,12,15,18,21,24,27-Octaoxa-3-azatriacontan-30-oic acid, 1-bromo-2-oxo-, 1,1-dimethylethyl ester
    • Properties
      • Boiling Point
        657.2±55.0°C at 760 mmHg
        Density
        1.2±0.1 g/cm3
        InChI Key
        BPWCFBGOCYWQSQ-UHFFFAOYSA-N
        InChI
        InChI=1S/C25H48BrNO11/c1-25(2,3)38-24(29)4-6-30-8-10-32-12-14-34-16-18-36-20-21-37-19-17-35-15-13-33-11-9-31-7-5-27-23(28)22-26/h4-22H2,1-3H3,(H,27,28)
        Canonical SMILES
        CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)CBr
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L

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Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2

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* Total Molecular Weight:
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Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
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