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Mal-amido-PEG4-TFP ester - CAS 1807540-84-6

Inquiry

Mal-amido-PEG4-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

C24H28F4N2O9

Molecular Weight

564.49

Mal-amido-PEG4-TFP ester

- Specification
  - Purity
    
    ≥95%
    
    Solubility
    
    Soluble in DCM, DMF, DMSO
    
    Appearance
    
    Colorless Oily Matter
    
    Storage
    
    Store at 2-8°C
    
    Shipping
    
    Room temperature in continental US; may vary elsewhere.
    
    IUPAC Name
    
    (2,3,5,6-tetrafluorophenyl) 3-[2-[2-[2-[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
    
    Synonyms
    
    Mal-NH-PEG4-TFP; MAL-PEG4-TFP ester; MAL-dPEG4-TFP ester; 4,7,10,13-Tetraoxa-16-azanonadecanoic acid, 19-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-17-oxo-, 2,3,5,6-tetrafluorophenyl ester; 2,3,5,6-Tetrafluorophenyl 19-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-17-oxo-4,7,10,13-tetraoxa-16-azanonadecan-1-oate; 2,3,5,6-tetrafluorophenyl 1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16-tetraoxa-4-azanonadecan-19-oate
- Properties
  - Boiling Point
    
    686.7±55.0°C at 760 mmHg
    
    Density
    
    1.4±0.1 g/cm3
    
    InChI Key
    
    LKZRDWRFDOPKGN-UHFFFAOYSA-N
    
    InChI
    
    InChI=1S/C24H28F4N2O9/c25-16-15-17(26)23(28)24(22(16)27)39-21(34)4-7-35-9-11-37-13-14-38-12-10-36-8-5-29-18(31)3-6-30-19(32)1-2-20(30)33/h1-2,15H,3-14H2,(H,29,31)
    
    Canonical SMILES
    
    C1=CC(=O)N(C1=O)CCC(=O)NCCOCCOCCOCCOCCC(=O)OC2=C(C(=CC(=C2F)F)F)F
- Preparing Stock Solutions
  - ConcentrationVolumeMass 1 mg 5 mg 10 mg
    
    1 mM 1.7715 mL 8.8577 mL 17.7154 mL
    
    5 mM 0.3543 mL 1.7715 mL 3.5431 mL
    
    10 mM 0.1772 mL 0.8858 mL 1.7715 mL

ConcentrationVolumeMass	1 mg	5 mg	10 mg
1 mM	1.7715 mL	8.8577 mL	17.7154 mL
5 mM	0.3543 mL	1.7715 mL	3.5431 mL
10 mM	0.1772 mL	0.8858 mL	1.7715 mL

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