sulfo-Cyanine5.5 alkyne

Cat. # Quantity Price Lead time
A73B0 1 mg $110 in stock
B73B0 5 mg $325 in stock
C73B0 10 mg $470 in stock
D73B0 25 mg $850 in stock
E73B0 50 mg $1490 in stock
F73B0 100 mg $2590 in stock
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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.

Absorption and emission spectra of sulfo-Cyanine5.5

Absorption and emission spectra of sulfo-Cyanine5.5

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General properties

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.
MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 673
ε, L⋅mol−1⋅cm−1: 211000
Emission maximum, nm: 691
Fluorescence quantum yield: 0.21
CF260: 0.09
CF280: 0.11

Product citations

  1. Guarin, M.; Faelens, R.; Giusti, A.; De Croze, N.; Léonard, M.; Cabooter, D.; Annaert, P.; de Witte, P.; Ny, A. Spatiotemporal Imaging and Pharmacokinetic of Fluorescent Compounds in Zebrafish Eleuthero-Embryos After Different Routes of Administration. Scientific Reports, 2021, 11(1), 12229. doi: 10.1038/s41598-021-91612-6.
  2. Guarin, M.; Ny, A.; De Croze, N.; Maes, J.; Léonard, M.; Annaert, P.; de Witte, P. A. M. Pharmacokinetics in Zebrafish Embryos (ZFE) Following Immersion and Intrayolk Administration: A Fluorescence-Based Analysis. Pharmaceuticals, 2021, 14(6), 576. doi: 10.3390/ph14060576
  3. Guarin, M.; Faelens, R.; Giusti, A.; De Croze, N.; Léonard, M.; Cabooter, D.; Annaert, P.; de Witte, P.; Ny, A. Spatiotemporal imaging and pharmacokinetics of fluorescent compounds in zebrafish eleuthero-embryos after different routes of administration. Scientific Reports, 2021, 11, 12229. doi: 10.1038/s41598-021-91612-6
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