Lumiprobe 磺酸基CY5 NHS染料 Sulfo-Cyanine5 bis-NHS ester
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Sulfo-Cyanine5 bis-NHS ester is a water soluble bifunctional dye possessing two NHS ester functions. It is an analog of Cy5® bis-NHS ester.
The dye is useful for the cross-conjugation of amines, and for other advanced labeling applications.
Cat. # | Quantity | Lead time |
133D0 | 1 mg | in stock |
233D0 | 5 mg | in stock |
433D0 | 25 mg | in stock |
533D0 | 50 mg | in stock |
633D0 | 100 mg | in stock |
General properties
Appearance: | dark blue powder |
Molecular weight: | 975.14 |
Molecular formula: | C45H51KN4O14S2 |
Solubility: | good in DMF, DMSO, water |
Quality control: | NMR 1H, HPLC-MS (895%) |
Storage conditions: | Storage: 12 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: | 646 |
ε, L⋅mol−1⋅cm−1: | 271000 |
Emission maximum, nm: | 662 |
Fluorescence quantum yield: | 0.28 |
CF260: | 0.04 |
CF280: | 0.04 |