Sulfo-Cyanine5 maleimide
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 13380 | 1 mg | $110.00 | in stock | |
| 23380 | 5 mg | $290.00 | in stock | |
| 43380 | 25 mg |
$690.00
|
in stock | |
| 53380 | 50 mg |
$1270.00
|
in stock | |
| 63380 | 100 mg |
$1990.00
|
in stock |
A water soluble, hydrophilic sulfo-Cyanine5 maleimide (Cy5® maleimide analog). We recommend this product for protein labeling, including labeling of antibodies as a perfect replacement for Cy5® maleimide. Labeled proteins can be easily separated from unreacted dye by gel filtration, spin column purification, dialysis, electrophoresis or chromatography.
An analog without sulfo groups, Cyanine5 maleimide, is also available.
Sulfo-Cyanine5 absorbance and emission spectra
Recommended protocol
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Cyanine5.5 carboxylic acid
Cy5.5 unactivated free acid cyanine dye.Copper(II)-TBTA complex, 10 mM in 55% aq. DMSO
Catalyst for bioconjugate synthesis by Click Chemistry.General properties
| Appearance: | dark blue powder |
| Molecular weight: | 803.00 |
| CAS number: | 2242791-82-6 (potassium salt); 2130955-10-9 (inner salt); 2242791-81-5 (inner salt); 2301999-22-2 (sodium salt) |
| Molecular formula: | C38H43KN4O9S2 |
| Solubility: | soluble in water, 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. |
| MSDS: | Download |
| Product specifications |
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 |
Product citations
- Baranova, N.; Radler, P.; Hernandez-Rocamora, V.M.; Alfonso, C.; Lopez-Pelegrin, M.; Rivas, G.; Vollmer, W.; Loose, M. FtsZ assembles the bacterial cell division machinery by a diffusion-and-capture mechanism. bioRxiv, preprint. doi: 10.1101/485656
- Stankowska, D.L.; Nam, M.-H.; Nahomi, R.B.; Chaphalkar, R.M.; Nandi, S.K.; Fudala, R.; Krishnamoorthy, R.R.; Nagaraj, R.H. Systemically administered peptain-1 inhibits retinal ganglion cell death in animal models: implications for neuroprotection in glaucoma. Cell Death Discovery, 2019, 5(1), 112. doi: 10.1038/s41420-019-0194-2
- Graham, T.G.W.; Carney, S.M.; Walter, J.C.; Loparo, J.J. A single XLF dimer bridges DNA ends during nonhomologous end joining. Nature Structural & Molecular Biology, 2018, 25(9), 877–884. doi: 10.1038/s41594-018-0120-y
- Torres, O.B.; Duval, A.J.; Sulima, A.; Antoline, J.F.G.; Jacobson, A.E.; Rice, K.C.; Alving, C.R.; Matyas, G.R. A rapid solution-based method for determining the affinity of heroin hapten-induced antibodies to heroin, its metabolites, and other opioids. Analytical and Bioanalytical Chemistry, 2018, 410(16), 3885–3903. doi: 10.1007/s00216-018-1060-4
Cy® is a trademark of GE Healthcare.
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