sulfo-Cyanine5.5 tetrazine
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 173E0 | 1 mg | $125 | in stock | |
| 273E0 | 5 mg | $325 | in stock | |
| 473E0 | 25 mg |
$850
|
in stock | |
| 573E0 | 50 mg |
$1490
|
in stock | |
| 673E0 | 100 mg |
$1990
|
in stock |
sulfo-Cyanine5.5 is a water-soluble, hydrophilic far-red fluorophore, an analog of Cy5.5®. Like other cyanine dyes, sulfo-Cyanine5.5 has an outstanding molar extinction coefficient, giving rise to its bright fluorescence. The molecule contains four sulfo groups that provide hydrophilicity and negative charge to the fluorophore and minimize non-specific binding.
This reagent contains tetrazine moiety that reacts with trans-cyclooctenes, cyclopropenes, and some strained cyclooctynes to form stable conjugates via an inverted electron demand [4+2]-cycloaddition (IEDDA).
The reagent possesses high aqueous solubility and hydrophilicity and is recommended for labeling biomolecules in an aqueous environment.
Absorption and emission spectra of sulfo-Cyanine5.5
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Near infrared, water soluble dye methyltetrazine for the conjugation with strained cycloalkenes in TCO ligation reaction.sulfo-Cyanine3 tetrazine
Water soluble sulfo-Cyanine3 dye tetrazine derivative for TCO ligation labeling with trans-cyclooctenes.General properties
| Appearance: | dark blue powder |
| Molecular weight: | 1200.53 |
| Molecular formula: | C50H48K3N7O13S4 |
| Solubility: | good in water, DMF, DMSO |
| Quality control: | NMR 1H and HPLC-MS (95+%) |
| Storage conditions: | 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. Avoid prolonged exposure to light. |
| 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 |
Cy® is a trademark of GE Healthcare.
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