Cyanine5.5 NHS ester
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 17020 | 1 mg | $110.00 | in stock | |
| 27020 | 5 mg | $210.00 | in stock | |
| 47020 | 25 mg |
$410.00
|
in stock | |
| 57020 | 50 mg |
$695.00
|
in stock | |
| 67020 | 100 mg |
$1190.00
|
in stock |
Cyanine5.5 NHS ester is a reactive dye for the labeling of amino-groups in peptides, proteins, and oligonucleotides, an analog of Cy5.5® NHS ester.
Cy5.5 is a far-red (and near-infrared) emitting dye which is ideal for fluorescence measurements where background fluorescence is a concern. It is also suitable for in vivo NIR imaging experiments.
This reagent can replace NHS esters of Cy5.5®, Alexa Fluor 680, and DyLight 680.
Cy5.5 absorbance and emission spectra
Recommended protocol
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General properties
| Appearance: | dark blue solid |
| Molecular weight: | 767.66 |
| CAS number: | 1469277-96-0, 2054318-82-8 (chloride); 1469541-53-4, 1874250-60-8 (without anion) |
| Molecular formula: | C44H46N3BF4O4 |
| IUPAC name: | 1H-Benz[e]indolium, 2-[5-(1,3-dihydro-1,1,3-trimethyl-2H-benz[e]indol-2-ylidene)-1,3-pentadien-1-yl]-3-[6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]-1,1-dimethyl- |
| Solubility: | soluble in organic solvents (DMSO, DMF, dichloromethane), practically insoluble in water (< 1 uM, < 1 mg/L) |
| 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: | 684 |
| ε, L⋅mol−1⋅cm−1: | 198000 |
| Emission maximum, nm: | 710 |
| Fluorescence quantum yield: | 0.2 |
| CF260: | 0.07 |
| CF280: | 0.03 |
Product citations
- Si, Y.; Xu, Y.; Guan, J.; Chen, K.; Kim, S.; Yang, E.S.; Zhou, L.; Liu, X.M. Anti-EGFR antibody-drug conjugate for triple-negative breast cancer therapy. Engineering in Life Sciences, in press. doi: 10.1002/elsc.202000027
- Nguyen, H.T.; Phung, C.D.; Tran, T.H.; Pham, T.T.; Pham, L.M.; Nguyen, T.T.; Jeong, J.-H.; Choi, H.-G.; Ku, S.K.; Yong, C.S.; Kim, J.O. Manipulating immune system using nanoparticles for an effective cancer treatment: Combination of targeted therapy and checkpoint blockage miRNA. Journal of Controlled Release, in press. doi: 10.1016/j.jconrel.2020.09.034
- Choi, Y.; Han, H.; Jeon, S.; Yoon, H.Y.; Kim, H.; Kwon, I.C.; Kim, K. Deep Tumor Penetration of Doxorubicin-Loaded Glycol Chitosan Nanoparticles Using High-Intensity Focused Ultrasound. Pharmaceutics, 2020, 12(10), 974. doi: 10.3390/pharmaceutics12100974
- Lee, J.; Kim, J.-H.; You, D.G.; Kim, S.; Um, W.; Jeon, J.; Kim, C.H.; Joo, H.; Yi, G.-R.; Park, J.H. Cavitation-Inducible Mesoporous Silica-Titania Nanoparticles for Cancer Sonotheranostics. Advanced Healthcare Materials, 2020, 9(19), 2000877. doi: 10.1002/adhm.202000877
Cy® is a trademark of GE Healthcare.
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