sulfo-Cyanine7 tetrazine
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 153E0 | 1 mg | $125 | in stock | |
| 253E0 | 5 mg | $325 | in stock | |
| 453E0 | 25 mg |
$850
|
in stock | |
| 553E0 | 50 mg |
$1490
|
in stock | |
| 653E0 | 100 mg |
$1990
|
in stock |
sulfo-Cyanine7 is a near infrared, water soluble fluorophore. This derivative contains methyltetrazine group for the fast, efficient, and metal free conjugation with cycloalkenes in a reaction called TCO ligation.
sulfo-Cyanine7 absorption and emission spectra
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A diethylene glycol (PEG2) linker with azide and amino groups.General properties
| Appearance: | dark green solid |
| Mass spec M+ increment: | 863.3 |
| Molecular weight: | 930.19 |
| Molecular formula: | C47H52N7KO7S2 |
| Solubility: | good in DMF, DMSO, water |
| 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: | 750 |
| ε, L⋅mol−1⋅cm−1: | 240600 |
| Emission maximum, nm: | 773 |
| Fluorescence quantum yield: | 0.24 |
| CF260: | 0.04 |
| CF280: | 0.04 |
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