sulfo-Cyanine3 maleimide
Cat. # | Quantity | Price | Lead time | Buy this product |
---|---|---|---|---|
11380 | 1 mg | $110.00 | in stock | |
21380 | 5 mg | $290.00 | in stock | |
41380 | 25 mg |
$690.00
|
in stock | |
51380 | 50 mg |
$1270.00
|
in stock | |
61380 | 100 mg |
$1990.00
|
in stock |
sulfo-Cyanine3 maleimide is a water-soluble, thiol-reactive dye for labeling. This is an analog of Cy3® maleimide.
This product is recommended for labeling antibodies and other labile proteins in mild, purely aqueous conditions. The dye is water soluble and does not require organic co-solvent.
A non-sulfonated Cyanine3 maleimide is available.
Sulfo-Cyanine3 maleimide

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TAMRA maleimide, 6-isomer
TAMRA is a well known xanthene dye of rhodamine series. This is a thiol reactive maleimide for the labeling of SH groups in proteins and peptides. Pure 6-isomer.sulfo-Cyanine5 DBCO
Water soluble cycloalkyne for copper-free click chemistry reaction with azides. A derivative of sulfo-Cyanine5.ROX NHS ester, 6-isomer
Pure 6-isomer of ROX (Rhodamine X, R101) NHS-ester for amine labeling.General properties
Appearance: | red powder |
Molecular weight: | 776.96 |
CAS number: | 1656990-68-9 |
Molecular formula: | C36H41KN4O9S2 |
IUPAC name: | 3H-Indolium, 2-[3-[1-[6-[[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethyl]amino]-6-oxohexyl]-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1-propen-1-yl]-1,3,3-trimethyl-5-sulfo-, inner salt, potassium salt |
Solubility: | soluble in water (0.39 M = 30 g/L), DMF, DMSO |
Quality control: | NMR 1H, HPLC-MS (95+%) |
Storage conditions: | Storage: 24 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: | 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
- Ast, J.; Novak, A.N.; Podewin, T.; Fine, N.H.F.; Jones, B.; Tomas, A.; Birke, R.; Roßmann, K.; Mathes, B:; Eichhorst, J.; Lehmann, M.; Linnemann, A.K.; Hodson, D.J.; Broichhagen, J. An expanded LUXendin color palette for GLP1R detection and visualization in vitro and in vivo. ChemRxiv, preprint. doi: 10.33774/chemrxiv-2021-7rngq
- Mohale, M.; Gundampati, R.K.; Thallapuranam, S.; Heyes, C.D. Site-specific labeling and functional efficiencies of human fibroblast growth Factor-1 with a range of fluorescent dyes in the flexible N-Terminal region and a rigid β-turn region. Analytical Biochemistry, 2022, 640, 114524. doi: 10.1016/j.ab.2021.114524
- Bauer, B.W.; Davidson, I.F.; Canena, D.; Wutz, G.; Tang, W.; Litos, G.; Horn, S.; Hinterdorfer, P.; Peters, J.-M. Cohesin mediates DNA loop extrusion by a “swing and clamp” mechanism. Cell, 2021, 184(21), 5448--5464.e22. doi: 10.1016/j.cell.2021.09.016
- Nong, J.; Kang, K.; Shi, Q.; Zhu, X.; Tao, Q.; Chen, Y.-G. Phase separation of Axin organizes the β-catenin destruction complex. Journal of Cell Biology, 2021, 220(4), 202012112. doi: 10.1083/jcb.202012112
Cy® is a trademark of GE Healthcare.
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