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Mal-amido-PEG8-TFP ester - CAS 1924596-31-5

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Mal-amido-PEG8-TFP ester is a PEG linker containing a maleimide and TFP ester end group. The Maleimide group is reactive with thiols between pH 6.5 and 7.5. The TFP ester can react with primary amine groups and is also less susceptible to undergo hydrolysis compared to NHS ester. The hydrophilic PEG chain increases the water solubility of a compound in aqueous media.

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Molecular Formula

C32H44F4N2O13

Molecular Weight

740.69

Mal-amido-PEG8-TFP 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
    
    (2,3,5,6-tetrafluorophenyl) 3-[2-[2-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
    
    Synonyms
    
    Mal-NH-PEG8-TFP; MAL-PEG8-TFP ester; MAL-dPEG8-TFP ester; 2,3,5,6-Tetrafluorophenyl 31-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-29-oxo-4,7,10,13,16,19,22,25-octaoxa-28-azahentriacontan-1-oate; 4,7,10,13,16,19,22,25-Octaoxa-28-azahentriacontanoic acid, 31-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-29-oxo-, 2,3,5,6-tetrafluorophenyl ester; 2,3,5,6-tetrafluorophenyl 1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oate
- Properties
  - Boiling Point
    
    780.6±60.0°C at 760 mmHg
    
    Density
    
    1.3±0.1 g/cm3
    
    InChI Key
    
    YQFZOPSEPCSFQQ-UHFFFAOYSA-N
    
    InChI
    
    InChI=1S/C32H44F4N2O13/c33-24-23-25(34)31(36)32(30(24)35)51-29(42)4-7-43-9-11-45-13-15-47-17-19-49-21-22-50-20-18-48-16-14-46-12-10-44-8-5-37-26(39)3-6-38-27(40)1-2-28(38)41/h1-2,23H,3-22H2,(H,37,39)
    
    Canonical SMILES
    
    C1=CC(=O)N(C1=O)CCC(=O)NCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)OC2=C(C(=CC(=C2F)F)F)F

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