Lumiprobe 水溶性CY5 NHS酯 Sulfo-Cyanine5 NHS ester
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Water soluble Cyanine 5 succinimidyl ester (SE), an equivalent of Cy5® NHS ester, for the labeling of various amine-containing molecules in aqueous phase without use of any organic co-solvent. This product is therefore particularly useful for the labeling of proteins which denature in the presence of organic co-solvents, as well as for proteins with low solubility.
Sulfo-Cyanine 5 is an analog of Cy5®, one of the most popular fluorophores which is compatible with various equipment such as plate readers, microscopes, and imagers.
This dye is highly hydrophilic and water-soluble. A non-sulfonated analog is also available.
Can be used as a replacement for Cy5®, Alexa Fluor 647, DyLight 649 for all applications.
Cat. # | Quantity | Lead time |
13320 | 1 mg | in stock |
23320 | 5 mg | in stock |
43320 | 25 mg | in stock |
53320 | 50 mg | in stock |
63320 | 100 mg | in stock |
General properties
Appearance: | dark blue powder |
Molecular weight: | 777.95 |
CAS number: | 2230212-27-6 |
Molecular formula: | C36H40N3KO10S2 |
Solubility: | very good in water, good in DMF and DMSO |
Quality control: | NMR 1H, HPLC-MS (95%) |
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 |