sulfo-Cyanine7 NHS ester
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 15320 | 1 mg |
$119.90
|
in stock | |
| 25320 | 5 mg |
$209.90
|
in stock | |
| 45320 | 25 mg |
$599.90
|
in stock | |
| 55320 | 50 mg |
$999.00
|
in stock | |
| 65320 | 100 mg |
$1599.00
|
in stock |
Water-soluble near-infrared dye sulfo-Cyanine7, an amine-reactive succinimide ester.
sulfo-Cyanine7 is an improved analog of Cy7® fluorophore with quantum yield improved by 20%, and higher photostability. This fluorescent dye is especially useful for NIR imaging.
Near-infrared fluorescent imaging takes advantage of the transparency of biological tissues at a particular range of wavelengths. The method is non-destructive and allows to monitor of the distribution of various labeled molecules in live organisms.
sulfo-Cyanine7 NHS ester reagent allows to prepare sulfo-Cyanine7-labeled biomolecules, such as proteins, with ease. Dye-labeled molecules can be subsequently used for various research and drug design-related experiments.
This reagent has high water solubility and is especially useful for labeling delicate proteins and proteins prone to denaturation. Non-sulfonated Cyanine7 NHS ester soluble in the organic phase is also available.
Absorption and emission spectra of sulfo-Cyanine7
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General properties
| Appearance: | dark green powder |
| Molecular weight: | 844.05 |
| CAS number: | 1603861-95-5 (potassium salt); 1604244-45-2 (inner salt) |
| Molecular formula: | C41H46N3KO10S2 |
| 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: | 750 |
| ε, L⋅mol−1⋅cm−1: | 240600 |
| Emission maximum, nm: | 773 |
| Fluorescence quantum yield: | 0.24 |
| CF260: | 0.04 |
| CF280: | 0.04 |
Product citations
- White, M. J. V.; Raczy, M. M.; Budina, E.; Yuba, E.; Solanki, A.; Shim, H.-N.; Zhang, Z. J.; Gray, L. T.; Cao, S.; Alpar, A. T.; Hubbell, J. A. Engineering IL-10 and Rapamycin to Bind Collagen Leads to Improved Anti Fibrotic Efficacy in Lung and Kidney Fibrosis. Sci Rep, 2025, 15(1), 13279. doi: 10.1038/s41598-025-94073-3
- Morath, V.; Maurer, S.; Feuchtinger, A.; Walser, R.; Schlapschy, M.; Bolze, F.; Metzler, T.; Bruder, J.; Steiger, K.; Walch, A.; Klingenspor, M.; Skerra, A. Long-Acting Human PASylated Leptin Reaches the Murine Central Nervous System and Offers Potential for Optimized Replacement Therapy. Mol. Pharmaceutics, 2025, 22(6), 3017–3032. doi: 10.1021/acs.molpharmaceut.4c01503
- Saunders, R. A.; Allen, W. E.; Pan, X.; Sandhu, J.; Lu, J.; Lau, T. K.; Smolyar, K.; Sullivan, Z. A.; Dulac, C.; Weissman, J. S.; Zhuang, X. Perturb-Multimodal: A Platform for Pooled Genetic Screens with Imaging and Sequencing in Intact Mammalian Tissue. Cell, 2025, 188(17), 4790-4809.e22. doi: 10.1016/j.cell.2025.05.022
- Leng, F.; Merino-Urteaga, R.; Wang, X.; Zhang, W.; Ha, T.; Hur, S. Ultrastable and Versatile Multimeric Ensembles of FoxP3 on Microsatellites. Molecular Cell, 2025, 85(8), 1509-1524.e7. doi: 10.1016/j.molcel.2025.03.005
Cy® is a trademark of GE Healthcare.
This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.
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