Free unactivated Cyanine7 dye carboxylic acid. Near-infrared fluorescent dye.
For coupling and labeling reactions also consider using pre-activated Cyanine7 NHS ester, or water-soluble sulfo-Cyanine7 NHS ester.
| Appearance: | green powder |
| Molecular weight: | 585.22 |
| Molecular formula: | C37H45ClN2O2 |
| Solubility: | soluble in organic solvents (DMSO, DMF, dichloromethane), low solubility in water |
| Quality control: | NMR 1H (95%) and 13C, TLC |
| 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. |
| Excitation maximum, nm: | 750 |
| Extinction coefficient at excitation maximum, Lmol-1cm-1: | 199000 |
| Emission maximum, nm: | 788 |
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