Cy5.5 carboxylic acid (non-sulfonated)

- Overview
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    Background
    
    Cy5.5 carboxylic acid is an un-activated labeling regent which has low aqueous solubility. For biomolecule labeling, the labeling reagent has low aqueous solubility, using of organic co-solvent to dissolve this molecular is necessary for efficient reaction. First, Cyanine dye should be dissolved in organic solvent and then added to a solution of biomolecule in appropriate aqueous buffer. Cyanine 5.5 carboxylic acid instead of the drug was injected into the tumors in order to visually observe the dye release by using the in vivo imaging system (IVIS). Research show that NIR irradiation could efficiently triggered drug release from the DEPt-PEG/α-CD hydrogel in vivo [1].
    
    Reference: [1] Wang, X. ; Wang, C.; Zhang, Q.; Cheng, Y. Near Infrared Light-responsive and Injectable Supramolecular Hydrogels for On-demand Drug Delivery. Chemical Communications, 2016, 52, 978–981.
- Properties
  - Categories
    
    Non-reactive fluorophore, for control experiments, and for calibration
    
    Alternative Name
    
    6-[(2E)-1,1-dimethyl-2-[(2E,4E)-5-(1,1,3-trimethylbenzo[e]indol-3-ium-2-yl)penta-2,4-dienylidene]benzo[e]indol-3-yl]hexanoic acid
    
    Molecular Formula
    
    C40H43ClN2O2
    
    Molecular Weight
    
    619.23
    
    Appearance
    
    A solid
    
    Purity
    
    98.16%
    
    Solubility
    
    insoluble in H2O; ≥16.73 mg/mL in EtOH with ultrasonic; ≥213 mg/mL in DMSO
    
    Storage
    
    24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
    
    SMILES
    
    CC1(C(=[N+](C2=C1C3=CC=CC=C3C=C2)C)C=CC=CC=C4C(C5=C(N4CCCCCC(=O)O)C=CC6=CC=CC=C65)(C)C)C
    
    * For Research Use Only