Cyanine3 carboxylic acid
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 11090 | 1 mg |
$105.00
|
in stock | |
| 21090 | 5 mg |
$299.90
|
in stock | |
| 41090 | 25 mg |
$589.90
|
in stock | |
| 51090 | 50 mg |
$999.00
|
in stock | |
| 61090 | 100 mg |
$1699.00
|
in stock |
Free Cyanine3 carboxylic acid (Cy3® carboxylic acid analog), non-activated dye. Non-sulfonated reagent, with good solubility in organic solvents and limited aqueous solubility. The dye can be used as a non-reactive fluorophore for control experiments, and for calibration.
For coupling with amines, and labeling, consider using Cyanine3 NHS ester, or water-soluble sulfo-Cyanine3 NHS ester.
Cyanine3 absorbance and emission spectra
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General properties
| Appearance: | red powder |
| Molecular weight: | 493.08 |
| CAS number: | 1361402-15-4 (inner salt), 1032678-01-5 (chloride), 1251915-29-3 (iodide) |
| Molecular formula: | C30H37ClN2O2 |
| Solubility: | soluble in organic solvents (DMF, DMSO, dichloromethane), poorly soluble in water (1.8 g/L = 4.0 mM) |
| 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: | 555 |
| ε, L⋅mol−1⋅cm−1: | 150000 |
| Emission maximum, nm: | 570 |
| Fluorescence quantum yield: | 0.31 |
| CF260: | 0.04 |
| CF280: | 0.09 |
Product citations
- Mazzotta, F.; Pottanam Chali, S.; Lieberwirth, I.; J. Ferguson, C. T.; Landfester, K. Tailoring Reactive Handles on the Surface of Nanoparticles for Covalent Conjugation of Biomolecules. Polymer Chemistry, 2025, 16(4), 433–440. doi: 10.1039/D4PY01119H
- Herkert, E.K.; Lau, L.; Pons Lanau, R.; Garcia-Parajo, M.F. Hexagonal Plasmonic Arrays for High-Throughput Multicolor Single-Molecule Studies. ACS Applied Materials & Interfaces, 2024, 16(31), 41271-41280. doi: 10.1021/acsami.4c04744
- De Pauw, E.; Chen, Y.; De Keersmaecker, H.; De Coninck, E.; De Smet, L.; De Geest, B.; Braeckmans, K.; Vervaet, C.; Vanhoorne, V. Drying Behaviour and Visualization of Surfactants after Co-Spray Drying of Surfactant-Stabilized Aqueous Suspensions. International Journal of Pharmaceutics, 2023, 643, 123231. doi: 10.1016/j.ijpharm.2023.123231
- Xu, S.; Zhang, P.; Heing-Becker, I.; Zhang, J.; Tang, P.; Bej, R.; Bhatia, S.; Zhong, Y.; Haag, R. Dual Tumor- and Subcellular-Targeted Photodynamic Therapy Using Glucose-Functionalized MoS2 Nanoflakes for Multidrug-Resistant Tumor Ablation. Biomaterials, 2022, 290, 121844. doi: 10.1016/j.biomaterials.2022.121844
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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