Cyanine5 amine is a reactive dye which contains amino group, an analog of Cy5® amine. This reagent can be coupled with a variety of activated esters and other electrophilic reagents. For example, this amine can be coupled with EDC-activated carboxylic groups.
This bright and photostable dye is suitable for many different methods of fluorescence detection. Colorful fluorophore can also be easily detected in small quantities (nanomols) by naked human eye.
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General properties
Appearance: | dark blue powder |
Molecular weight: | 653.77 |
Molecular formula: | C38H54Cl2N4O |
Solubility: | moderate solubility in water, good in polar organic solvents (DMF, DMSO, alcohols) |
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. |
Spectral properties
Excitation maximum, nm: | 646 |
ε, L⋅mol−1⋅cm−1: | 250000 |
Emission maximum, nm: | 662 |
Fluorescence quantum yield: | 0.2 |
CF260: | 0.03 |
CF280: | 0.04 |