sulfo-Cyanine7.5 azide
Cat. # | Quantity | Price | Lead time | Buy this product |
---|---|---|---|---|
A6330 | 1 mg | $125 | in stock | |
B6330 | 5 mg | $325 | in stock | |
C6330 | 10 mg | $470 | in stock | |
D6330 | 25 mg | $850 | in stock | |
E6330 | 50 mg | $1490 | in stock | |
F6330 | 100 mg | $1990 | in stock |
sulfo-Cyanine7.5 is a heptamethyne cyanine dye for the near-infrared region of the spectrum, which is very hydrophilic and water-soluble. The fluorophore resembles ICG (Indocyanine Green), has a long history of in vivo use, and is even approved for human angiography. However, compared to ICG, sulfo-Cyanine7.5 has a significantly improved fluorescence quantum yield due to the rugged polymethine chain reinforced with a trimethylene bridge.
sulfo-Cyanine7.5 is available as a number of reactive derivatives. This azide can be used for the easy labeling of various biomolecules by copper-catalyzed or copper-free click chemistry.
Absorption and emission spectra of sulfo-Cyanine7.5 fluorophore
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sulfo-Cyanine7 amine
NIR dye amine, sulfonated derivative of Cyanine7 dye, for the modification via enzymatical transamination.General properties
Appearance: | dark colored solid |
Mass spec M+ increment: | 1050.3 |
Molecular weight: | 1165.51 |
Molecular formula: | C48H51N6K3O13S4 |
Solubility: | good in water, 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/absorption maximum, nm: | 778 |
ε, L⋅mol−1⋅cm−1: | 222000 |
Emission maximum, nm: | 797 |
Fluorescence quantum yield: | 0.21 |
CF260: | 0.09 |
CF280: | 0.09 |