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BrCH2CONH-PEG2-NHS ester - CAS 1353011-78-5

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BrCH2CONH-PEG2-NHS ester is a PEG linker containing a bromide group and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.

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Molecular Formula
C13H19BrN2O7
Molecular Weight
395.21

BrCH2CONH-PEG2-NHS ester

    • Specification
      • Purity
        ≥95%
        Solubility
        Soluble in DMSO
        Storage
        Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)
        Shipping
        Room temperature in continental US; may vary elsewhere.
        IUPAC Name
        (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[(2-bromoacetyl)amino]ethoxy]ethoxy]propanoate
        Synonyms
        Bromoacetamido-PEG2-NHS ester; Bromoacetamido-PEG2-C2-NHS ester; 2,5-dioxopyrrolidin-1-yl 3-(2-(2-(2-bromoacetamido)ethoxy)ethoxy)propanoate; 2-Bromo-N-[2-(2-{3-[(2,5-dioxo-1-pyrrolidinyl)oxy]-3-oxopropoxy}ethoxy)ethyl]acetamide; Acetamide, 2-bromo-N-[2-[2-[3-[(2,5-dioxo-1-pyrrolidinyl)oxy]-3-oxopropoxy]ethoxy]ethyl]-
    • Properties
      • Density
        1.5±0.1 g/cm3
        InChI Key
        HDIXVXMKIWXBFA-UHFFFAOYSA-N
        InChI
        InChI=1S/C13H19BrN2O7/c14-9-10(17)15-4-6-22-8-7-21-5-3-13(20)23-16-11(18)1-2-12(16)19/h1-9H2,(H,15,17)
        Canonical SMILES
        C1CC(=O)N(C1=O)OC(=O)CCOCCOCCNC(=O)CBr
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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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