sulfo-Cyanine5.5 DBCO
Cat. # | Quantity | Price | Lead time | Buy this product |
---|---|---|---|---|
173F0 | 1 mg | $125 | in stock | |
273F0 | 5 mg | $325 | in stock | |
473F0 | 25 mg | $850 | in stock | |
573F0 | 50 mg | $1490 | in stock | |
673F0 | 100 mg | $1990 | in stock |
Sulfo-Cyanine5.5 is a dye with far-red emission approaching NIR range. It has found application in non-invasive live-organism imaging. This particular derivative of sulfo-Cyanine5.5, the DBCO (or ADIBO) derivative, contains cycloalkyne for copper-free conjugation of this fluorophore with various organic azides.
The reaction between DBCO and azides is blazingly fast, orders of magnitude exceeding the rate of copper-catalyzed reaction between azides and terminal alkynes. It is also catalyst-free.
This reagent can be used to conjugate sulfo-Cyanine5.5 dye to a variety of azide-labeled molecules.
Absorption and emission spectra of sulfo-Cyanine5.5
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Cy5.5 unactivated free acid cyanine dye.sulfo-Cyanine3.5 azide
Azide derivative of water-soluble sulfo-Cyanine3.5 dye for bioconjugation via click chemistry.General properties
Appearance: | dark blue solid |
Molecular weight: | 1317.69 |
Molecular formula: | C61H59N4K3O14S4 |
Solubility: | good in water, DMF, DMSO |
Quality control: | NMR 1H, HPLC-MS (95%) |
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 |