sulfo-Cyanine3 tetrazine

Tetrazines Copper-free click chemistry sulfo-Cyanine3
Cat. # Quantity Price Lead time
113E0 1 mg $125 in stock
213E0 5 mg $325 in stock
313E0 10 mg $470 in stock
413E0 25 mg $850 in stock
513E0 50 mg $1490 in stock
613E0 100 mg $1990 in stock
Bulk inquiry
Found better price? Let us know and we will propose the way forward!

Tetrazine - trans-cyclooctene ligation is among the fastest bioconjugation reactions known to date.

This water soluble sulfo-Cyanine3 derivative contains methyltetrazine moiety for the coupling with trans-cyclooctenes. Methyltetrazines possess optimal stability at physiological pH, while maintaining extremely high reactivity towards cyclooctenes.

The fluorophore is bright, photostable, and is also very well visible with naked eye.

Sulfo-Cyanine3 tetrazine, 613E0
Sulfo-Cyanine3 tetrazine, 613E0
Sulfo-Cyanine3 tetrazine, 613E0
Structure of sulfo-Cy3 tetrazine
Download in
ChemDraw format

Absorption and emission spectra of Cyanine3

Absorption and emission spectra of Cyanine3

Customers also purchased with this product

sulfo-Cyanine3 NHS ester

Water soluble sulfo-Cyanine3 SE activated ester for amino-biomolecule labeling.

AF 568 azide

Azide derivative of water-soluble AF 568 dye for labeling alkyne-containing biomolecules and fluorescent visualization of biological objects. Pure 6-isomer.

AF 488 DBCO

Dibenzocyclooctyne (DBCO, ADIBO) containing the green fluorophore AF 488 for labeling azide-tagged biomolecules inside live cells, whole organisms, and inanimate samples. Pure 5-isomer.
Add this product to your cart and
get free express delivery

General properties

Appearance: red powder
Molecular weight: 838.05
Molecular formula: C40H44KN7O7S2
IUPAC name: Potassium (E)-2-[(E)-3-{3,3-Dimethyl-1-[6-({[p-(6-methyl-1,2,4,5-tetrazin-3-yl)phenyl]methyl}amino)-6-oxohexyl]-5-(oxysulfonyl)-3H-indol-2-yl}-2-propenylidene]-1-methyl-3,3-dimethyl-5-indolinesulfonate
Solubility: soluble in water (0.43 M = 36 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
Cy® is a trademark of GE Healthcare.
Your item has been added. View your cart or proceed to checkout
The count of items is incorrect.