A water soluble dye with amino group, useful for the conjugation with electrophiles, and for enzymatic transamination labeling.
Sulfo-Cyanine3 is a sulfonated analog of Cy3®, which is compatible with various fluorescence measuring equipment. The dye is highly photostable. It is also easily detectable by naked eye.
![](\"https://www.ebiomall.com/images/201709/sulfo-cy3-amine.png\")
Download in ChemDraw formatGeneral properties
| Appearance: | dark red solid |
| Molecular weight: | 714.94 |
| Molecular formula: | C36H50N4O7S2 |
| Solubility: | good in water, alcohols, 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. |
Spectral properties
| Excitation maximum, nm: | 548 |
| ε, L⋅mol−1⋅cm−1: | 162000 |
| Emission maximum, nm: | 563 |
| Fluorescence quantum yield: | 0.1 |
| CF260: | 0.03 |
| CF280: | 0.06 |
