Sulfo-Cyanine5 tetrazine
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 133E0 | 1 mg | $110.00 | in stock | |
| 233E0 | 5 mg | $290.00 | in stock | |
| 333E0 | 10 mg |
$460.00
|
in stock | |
| 433E0 | 25 mg |
$690.00
|
in stock | |
| 533E0 | 50 mg |
$1270.00
|
in stock | |
| 633E0 | 100 mg |
$1990.00
|
in stock |
TCO (tetrazine – trans-cyclooctene) ligation is one of the fastest reactions used for bioconjugation. It is an inverse electron demand [4+2] cycloaddition that takes place between tetrazine and trans-cyclooctene or other strained olefin.
Sulfo-Cyanine5 tetrazine is a fluorophore derivative bearing a tetrazine group for the TCO-ligation based labeling.
This reagent possesses good aqueous solubility and stability in biological environments.
Absorption and emission spectra of Sulfo-Cyanine5
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A compound containing Cyanine5.5 fluorophore, a far red emitting dye, and tetrazine fragment for the conjugation with trans-cyclooctenes / cyclopropenes via TCO ligation.General properties
| Appearance: | dark blue solid |
| Molecular weight: | 864.09 |
| Molecular formula: | C42H46KN7O7S2 |
| 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: | 646 |
| ε, L⋅mol−1⋅cm−1: | 271000 |
| Emission maximum, nm: | 662 |
| Fluorescence quantum yield: | 0.28 |
| CF260: | 0.04 |
| CF280: | 0.04 |
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