Cyanine3 tetrazine
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 110E0 | 1 mg | $110.00 | in stock | |
| 210E0 | 5 mg | $290.00 | in stock | |
| 410E0 | 25 mg |
$690.00
|
in stock | |
| 510E0 | 50 mg |
$1270.00
|
in stock | |
| 610E0 | 100 mg |
$1990.00
|
in stock |
Cyanine3 tetrazine is a fluorescent dye with tetrazine moiety for a conjugation reaction called TCO (trans-cyclooctene) ligation. Actually, tetrazines react not only with trans-cyclooctenes, but also with (methyl)cyclopropenes and strained non-benzo-fused cycloalkynes.
Cyanine3 is a moderately hydrophobic dye, enabling labeling in non-aqueous environment as well as in aqueous media containing some organic co-solvent like acetonitrile or DMSO. For reactions in purely aqueous media, a sulfonated version of this reagent is available.
Absorption and emission spectra of Cyanine3
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Cyanine7.5 tetrazine
Cyanine7.5 is a NIR fluorescent dye with absorption and emission spectra similar to ICG (indocyanine green), but possessing a higher fluorescence quantum yield. This derivative is a tetrazine derivative for the TCO ligation reaction.BDP TR tetrazine
BDP TR is a borondipyrromethene fluorophore for Texas Red / ROX channel. The dye produces bright fluorescent emission. Tetrazines are reactive components for the conjugation with strained cycloalkenes.Sulfo-Cyanine7 tetrazine
Near infrared, water soluble dye methyltetrazine for the conjugation with strained cycloalkenes in TCO ligation reaction.General properties
| Appearance: | dark red solid |
| Mass spec M+ increment: | 611.4 |
| Molecular weight: | 727.64 |
| Molecular formula: | C40H46N7BF4O |
| Solubility: | good in DCM, DMSO, DMF |
| 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 maximum, nm: | 555 |
| ε, L⋅mol−1⋅cm−1: | 150000 |
| Emission maximum, nm: | 570 |
| Fluorescence quantum yield: | 0.31 |
| CF260: | 0.04 |
| CF280: | 0.09 |
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