Cyanine7.5 NHS ester
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 16020 | 1 mg |
$139.90
|
in stock | |
| 26020 | 5 mg |
$379.90
|
in stock | |
| 46020 | 25 mg |
$739.90
|
in stock | |
| 56020 | 50 mg |
$1299.00
|
in stock | |
| 66020 | 100 mg |
$2099.00
|
in stock |
Cyanine7.5 is a NIR dye with very long-wave emission. This product is amine-reactive derivative of this fluorophore.
Near infrared radiation readily penetrates tissues and can be used for imaging applications in vivo.
This product can be used for the labeling of various biomolecules containing amine groups, such as proteins and peptides, to track their distribution in organism in vivo by NIR imaging.
Increased rigidity of central polymethyne moiety allows to increase quantum yield by 20% compared to parent structure of Cy7.5® NHS.
Cy7.5 absorbance and emission spectra
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General properties
| Appearance: | green powder |
| Mass spec M+ increment: | 630.4 |
| Molecular weight: | 833.76 |
| CAS number: | 2708152-94-5 |
| Molecular formula: | C49H52N3BF4O4 |
| IUPAC name: | 1H-Benz[e]indolium, 2-[2-[3-[2-(1,3-dihydro-1,1,3-trimethyl-2H-benz[e]indol-2-ylidene)ethylidene]-1-cyclohexen-1-yl]ethenyl]-3-[6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]-1,1-dimethyl- |
| Solubility: | soluble in organic solvents (DMSO, DMF, dichloromethane), low solubility in water |
| 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: | 788 |
| ε, L⋅mol−1⋅cm−1: | 223000 |
| Emission maximum, nm: | 808 |
| Fluorescence quantum yield: | 0.10 |
Product citations
- Chang, C.; Lu, C.; Zheng, Y.; Lin, L.; Chen, X.; Chen, L.; Chen, Z.; Chen, R. Biological Activity Analysis of Baicalin Nanodrugs: Nanosizing Enhances Antiviral and Anti-Inflammatory Effects in the Treatment of Viral Pneumonia. Journal of Pharmaceutical Analysis, 2025, 15(7), 101201. doi: 10.1016/j.jpha.2025.101201
- Chang, C.; Zheng, Y.; Lu, C.; Ma, Y.; Wu, L.; Zhang, Y.; Lin, L.; Guo, L.; Chen, X.; Chen, L.; Cheng, J.; Chen, R. Synergistic Treatment of Respiratory Syncytial Virus Induced Pneumonia by Multifunctional Baicalin-Resveratrol Self-Assembled Nanomedicine. Chemical Engineering Journal, 2025, 519, 165054. doi: 10.1016/j.cej.2025.165054
- Wang, H.; Li, J.; Feng, H.; Hao, H.; Ren, J.; Li, Y.; Li, C.; Chen, J.; Sun, C.; Liang, J.; Ning, G.; Feng, S. Engineering Injectable Composite Scaffolds for Enhanced Bone Healing: Integration of Stem Cells, Hydrogels, and Microspheres. Chemical Engineering Journal, 2025, 507, 160593. doi: 10.1016/j.cej.2025.160593
- Chang, C.; Liu, H.; Li, X.; Song, D.; Liu, Y.; Lu, C.; Zhen, Y.; Chen, Y.; Xu, J.; Li, W.; Jia, X.; Chen, Z.; Chen, R. Combined ROS Responsive Polydopamine-Coated Berberine Nanoparticles Effective Against Ulcerative Colitis in Mouse Model. International Journal of Nanomedicine, 2024, 19, 1205-1224. doi: 10.2147/ijn.s442761
Cy® is a trademark of GE Healthcare.
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