Sulfo-Cyanine3 NHS ester
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 11320 | 1 mg | $110.00 | in stock | |
| 21320 | 5 mg | $290.00 | in stock | |
| 41320 | 25 mg |
$690.00
|
in stock | |
| 51320 | 50 mg |
$1270.00
|
in stock | |
| 61320 | 100 mg |
$1990.00
|
in stock |
Water soluble, amino-reactive sulfo-Cyanine3 NHS ester. Efficiently labels proteins and peptides in purely aqueous solution, without need for organic co-solvent. Ideal for proteins with low solubility, and proteins prone to denaturation.
This is sulfonated, hydrophilic and water-soluble dye. Non-sulfonated Cyanine3 NHS ester is also available.
This product is an analog of Cy3® NHS ester. Sulfo-Cyanine3 NHS ester replaces Cy3®, Alexa Fluor 546, and DyLight 549 for all applications.
Sulfo-Cyanine3 absorbance and emission spectra
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General properties
| Appearance: | dark red crystals |
| Molecular weight: | 751.91 |
| CAS number: | 1424150-38-8 (sodium salt); 1424433-17-9, 1518643-34-9 (inner salt) |
| Molecular formula: | C34H38N3KO10S2 |
| IUPAC name: | 3H-Indolium, 2-[3-(1,3-dihydro-1,3,3-trimethyl-5-sulfo-2H-indol-2-ylidene)-1-propen-1-yl]-1-[6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]-3,3-dimethyl-5-sulfo-, inner salt, sodium salt |
| Solubility: | very high in water, good in polar organic solvents (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 maximum, nm: | 548 |
| ε, L⋅mol−1⋅cm−1: | 162000 |
| Emission maximum, nm: | 563 |
| Fluorescence quantum yield: | 0.1 |
| CF260: | 0.03 |
| CF280: | 0.06 |
Product citations
- Barnett, D.; Hall, J.; Haab, B. Automated identification and quantification of signals in multichannel immunofluorescence images: the SignalFinder platform. The American Journal of Pathology, in press. doi: 10.1016/j.ajpath.2019.03.011
- Umakoshi, T.; Fukuda, S.; Iino, R.; Uchihashi, T.; Ando, T. High-speed near-field fluorescence microscopy combined with high-speed atomic force microscopy for biological studies. Biochimica et Biophysica Acta, in press. doi: 10.1016/j.bbagen.2019.03.011
- Kam, A.; Loo, S.; Dutta, B.; Sze, S.K.; Tam, J.P. Plant-derived mitochondria-targeting cysteine-rich peptide modulates cellular bioenergetics. Journal of Biological Chemistry, 2019, 294(11), 4000–4011. doi: 10.1074/jbc.RA118.006693
- Cao, P.; Wei, X.; Awal, R.P.; Müller, R.; Wall, D. A Highly Polymorphic Receptor Governs Many Distinct Self-Recognition Types within the Myxococcales Order. mBio, 2019, 10, e02751-18. doi: 10.1128/mBio.02751-18
Cy® is a trademark of GE Healthcare.
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