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Acid-PEG5-NHS ester - CAS 1343476-41-4

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Acid-PEG5-NHS ester is a PEG linker containing a carboxylic acid and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. 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
C18H29NO11
Molecular Weight
435.43

Acid-PEG5-NHS ester

    • Specification
      • Purity
        ≥95%
        Appearance
        Pale Yellow Oily Matter
        Storage
        Store at 2-8°C
        Shipping
        Room temperature in continental US; may vary elsewhere.
        IUPAC Name
        3-[2-[2-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
        Synonyms
        Acid-C2-PEG5-NHS ester; COOH-PEG5-SPA; COOH-PEG5-NHS; 4,7,10,13,16-Pentaoxanonadecanedioic acid, 1-(2,5-dioxo-1-pyrrolidinyl) ester; 19-((2,5-dioxopyrrolidin-1-yl)oxy)-19-oxo-4,7,10,13,16-pentaoxanonadecanoic acid; 4,7,10,13,16-Pentaoxanonadecan-1-oic acid, 19-[(2,5-dioxo-1-pyrrolidinyl)oxy]-19-oxo-
    • Properties
      • Boiling Point
        574.8±60.0°C (Predicted)
        Density
        1.30±0.1 g/cm3 (Predicted)
        InChI Key
        QMACGMMKGUAJOY-UHFFFAOYSA-N
        InChI
        InChI=1S/C18H29NO11/c20-15-1-2-16(21)19(15)30-18(24)4-6-26-8-10-28-12-14-29-13-11-27-9-7-25-5-3-17(22)23/h1-14H2,(H,22,23)
        Canonical SMILES
        C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCC(=O)O
Bio Calculators
Stock concentration: *
Desired final volume: *
Desired concentration: *

L

* Our calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2

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