sulfo-Cyanine7 maleimide
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 15380 | 1 mg | $115 | in stock | |
| 25380 | 5 mg | $295 | in stock | |
| 45380 | 25 mg |
$790
|
in stock | |
| 55380 | 50 mg |
$1490
|
in stock | |
| 65380 | 100 mg |
$1990
|
in stock |
A reactive dye with a maleimide group for the labeling of thiol groups of proteins and other biomolecules, an analog of Cy7® maleimide.
sulfo-Cyanine7 is a hydrophilic near-infrared fluorophore with a rigidizing ring in its heptamethine chain that improves its photophysical properties. A great dye for various applications, including NIR imaging.
Sulfo-Cyanine7 maleimide absorbance and emission spectra
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Near-infrared (NIR) fluorescent dye for click chemistry labeling.Alkyne maleimide
Maleimide reagent for the attachment of alkyne functional group to proteins, peptides, and other molecules bearing SH (thiol) groups, including cysteine residues.Cyanine7.5 hydrazide
Near infrared fluorophore functionalized with hydrazide moiety. Reactive against carbonyl compounds, useful for the labeling of saccharides, and antibodies after periodate oxidation.General properties
| Appearance: | dark green powder |
| Mass spec M+ increment: | 868.2 |
| Molecular weight: | 869.10 |
| CAS number: | 2183440-60-8 (potassium salt), 2183440-59-5 (inner salt) |
| Molecular formula: | C43H49KN4O9S2 |
| IUPAC name: | 1-[2-(6-{2-[(E)-2-[(E)-3-{(E)-2-[1-Methyl-3,3-dimethyl-5-(oxysulfonyl)-2-indolinylidene]ethylidene}-1-cyclohexen-1-yl]ethenyl]-3,3-dimethyl-5-(oxysulfonyl)-3H-indol-1-yl}hexanoylamino)ethyl]-1H-pyrrole-2,5-dione, potassium salt |
| Solubility: | Good in water, DMF, DMSO. Low in non-polar organic solvents. |
| 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: | 750 |
| ε, L⋅mol−1⋅cm−1: | 240600 |
| Emission maximum, nm: | 773 |
| Fluorescence quantum yield: | 0.24 |
| CF260: | 0.04 |
| CF280: | 0.04 |
Product citations
- Zhao, J.; Elgeti, M.; O’Brien, E.S.; Sár, C.P.; EI Daibani, A.; Heng, J.; Sun, X.; White, E.; Che, T.; Hubbell, W.L.; Kobilka, B.K.; Chen, C. Ligand efficacy modulates conformational dynamics of the µ-opioid receptor. Nature, 2024, 629(8011), 474-480. doi: 10.1038/s41586-024-07295-2
- Lee, J.; Kang, Y.K.; Oh, E.; Jeong, J.; Im, S.H.; Kim, D.K.; Lee, H.; Kim, S.-G.; Jung, K.; Chung, H.J. Nano-assembly of a Chemically Tailored Cas9 Ribonucleoprotein for In Vivo Gene Editing and Cancer Immunotherapy. Chemistry of Materials, 2022, 34(2), 547–561. doi: 10.1021/acs.chemmater.1c02844
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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