sulfo-Cyanine5.5 NHS ester
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 17320 | 1 mg | $125 | in stock | |
| 27320 | 5 mg | $325 | in stock | |
| 47320 | 25 mg |
$850
|
in stock | |
| 57320 | 50 mg |
$1490
|
in stock | |
| 67320 | 100 mg |
$1990
|
in stock |
sulfo-Cyanine5.5 NHS ester is an amine-reactive activated ester of sulfonated far-red Cyanine5.5 fluorophore, an analog of Cy5.5®. This is a reagent of choice for the labeling of antibodies, sensitive proteins, and others which require reactions in a purely aqueous environment or without any significant additions of organic co-solvents.
The dye is well-suitable for non-invasive in vivo NIR imaging and applications requiring low fluorescent background.
Absorption and emission spectra of sulfo-Cyanine5.5
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General properties
| Appearance: | dark blue solid |
| Mass spec M+ increment: | 884.15 |
| Molecular weight: | 1114.37 |
| CAS number: | 2419286-92-1 |
| Molecular formula: | C44H42N3K3O16S4 |
| Solubility: | good in water, DMF, 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. |
| MSDS: | Download |
| Product specifications |
Spectral properties
| Excitation/absorption maximum, nm: | 675 |
| ε, L⋅mol−1⋅cm−1: | 211000 |
| Emission maximum, nm: | 694 |
| Fluorescence quantum yield: | 0.21 |
| CF260: | 0.09 |
| CF280: | 0.11 |
Product citations
- Zhang, B.; Pan, H.; Chen, Z.; Yin, T.; Zheng, M.; Cai, L. Twin-Bioengine Self-Adaptive Micro/Nanorobots Using Enzyme Actuation and Macrophage Relay for Gastrointestinal Inflammation Therapy. Sci. Adv., 2023, 9(8), eadc8978. doi: 10.1126/sciadv.adc8978
- Shevchuk, A. I.; Svinko, V. O.; Smirnov, A. N.; Solovyeva, E. V. SERS Study of Cyanine Dyes: Optimization of Metal Core and Molecular Label Choice for Plasmonic Nanotags. Dyes and Pigments, 2023, 216, 111329. doi: 10.1016/j.dyepig.2023.111329.
- Svinko, V. O.; Smirnov, A. N.; Shevchuk, A. I.; Demenshin, A. I.; Smirnov, A. A.; Solovyeva, E. V. Comparative Study of Fluorescence Core-Shell Nanotags with Different Morphology of Gold Core. Colloids and Surfaces B: Biointerfaces, 2023, 226, 113306. doi: 10.1016/j.colsurfb.2023.113306
- Tsai, H.-Y.; Robidillo, C. J. T.; Matharu, G. K.; O’Connor, K.; Cheong, I. T.; Ni, C.; Veinot, J. G. C.; Algar, W. R. Spectrotemporal Characterization of Photoluminescent Silicon Nanocrystals and Their Energy Transfer to Dyes. Nanoscale, 2023, 15(30), 12492–12505. doi: 10.1039/D3NR02461J
Cy® is a trademark of GE Healthcare.
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