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Lipoamido-PEG8-acid - CAS 1334172-70-1

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Lipoamido-PEG8-acid is a PEG linker containing a lipoic acid group and a terminal carboxylic acid. Lipoic acid contains two sulfur atoms (at C6 and C8) connected by a disulfide bond and is thus considered to be oxidized although either sulfur atom can exist in higher oxidation states. 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 hydrophilic PEG linker increases the water solubility of the compound.

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Molecular Formula

C27H51NO11S2

Molecular Weight

629.82

Lipoamido-PEG8-acid

- Specification
  - Related CAS
    
    1334172-71-2 (polymer)
    
    Purity
    
    ≥95%
    
    Appearance
    
    Solid or Viscous Liquid
    
    Storage
    
    Store at 2-8°C
    
    Shipping
    
    Room temperature in continental US; may vary elsewhere.
    
    IUPAC Name
    
    3-(2-(2-(2-(2-(2-(2-(2-(2-(5-(1,2-dithiolan-3-yl)pentanamido)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)propanoic acid
    
    Synonyms
    
    Lipoamido-PEG8-CH2CH2COOH; LA-PEG8-COOH; Lipoamido-PEG8-COOH; Lipoamido-dPEG(R)8-acid; 33-(1,2-dithiolan-3-yl)-29-oxo-4,7,10,13,16,19,22,25-octaoxa-28-azatritriacontanoic acid; 3-[2-[2-[2-[2-[2-[2-[2-[2-[5-(dithiolan-3-yl)pentanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid; 4,7,10,13,16,19,22,25-Octaoxa-28-azatritriacontanoic acid, 33-(1,2-dithiolan-3-yl)-29-oxo-
- Properties
  - Density
    
    1.166±0.06 g/cm3 (Predicted)
    
    InChI Key
    
    ZIKXLXWMWZSKAA-UHFFFAOYSA-N
    
    InChI
    
    InChI=1S/C27H51NO11S2/c29-26(4-2-1-3-25-6-24-40-41-25)28-7-9-33-11-13-35-15-17-37-19-21-39-23-22-38-20-18-36-16-14-34-12-10-32-8-5-27(30)31/h25H,1-24H2,(H,28,29)(H,30,31)
    
    Canonical SMILES
    
    C1CSSC1CCCCC(=O)NCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)O

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