Sulfo-Cyanine5.5 maleimide
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 17380 | 1 mg | $110.00 | in stock | |
| 27380 | 5 mg | $290.00 | in stock | |
| 47380 | 25 mg |
$690.00
|
in stock | |
| 57380 | 50 mg |
$1270.00
|
in stock | |
| 67380 | 100 mg |
$1990.00
|
in stock |
Sulfo-Cyanine5.5 dye is a water soluble far red to NIR emitting dye which is very hydrophilic due to the presence of four sulfo groups. Sulfo-Cyanine5.5 derivatives exhibit high water solubility. The dye is a perfect choice for the labeling of sensitive proteins, nanoparticles, and highly hydrophylic biopolymers.
This maleimide is a thiol reactive dye that selectively labels cysteine residues. Disulfide bonds of native proteins should be reduced with an appropriate reducing agent, such as TCEP, according to our recommended protocol.
Absorption and emission spectra of sulfo-Cyanine5.5
Recommended protocol
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Cyanine5.5 maleimide
Cyanine5.5 maleimide is a thiol reactive dye for protein labeling.
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Sulfo-Cyanine3 maleimide
Water soluble thiol-reactive derivative of Sulfo-Cyanine3, a Cy3® analog.Sulfo-Cyanine5 NHS ester
Water-soluble Cyanine 5 succinimide ester.General properties
| Appearance: | dark colored solid |
| Mass spec M+ increment: | 1024.2 |
| Molecular weight: | 1139.43 |
| CAS number: | 2183440-58-4 (potassium salt); 2183440-57-3 (inner salt) |
| Molecular formula: | C46H45K3N4O15S4 |
| Solubility: | good in water, DMSO, DMF |
| 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. |
| MSDS: | Download |
| Product specifications |
Spectral properties
| Excitation maximum, nm: | 673 |
| ε, L⋅mol−1⋅cm−1: | 235000 |
| Emission maximum, nm: | 691 |
| CF260: | 0.09 |
| CF280: | 0.11 |
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