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sulfo-Cyanine5.5 is a far-red emitting fluorophore. It contains four sulfo groups, which provide great hydrophilicity and aqueous solubility. The reagent can be conjugated with various azides through a copper-catalyzed click chemistry reaction.

sulfo-Cyanine5.5 alkyne

  • Appearance: dark blue solid
    Molecular weight: 1054.36
    Molecular formula: C43H42N3K3O13S4
    IUPAC name: (E)-4-[(2E,4E)-5-{3,3-Dimethyl-5-[6-oxo-6-(2-propynylamino)hexyl]-10-(oxysulfonyl)-12-sulfo-5-azatricyclo[7.4.0.02,6]trideca-1,4,6,8,10,12-hexaen-4-yl}-2,4-pentadienylidene]-3,3-dimethyl-5-methyl-5-azatricyclo[7.4.0.02,6]trideca-1,6,8,10,12-pentaene-10,12-disulfonic acid tripotassium salt
    Solubility: good in water, DMF, DMSO
    Quality control: NMR 1H, HPLC-MS (95%)
    Storage conditions: 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.
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