Alkyne derivative of Cyanine 7, a near infrared fluorophore, analog of Cy7®. The alkyne can be conjugated to a variety of azides via copper-catalyzed Click chemistry. The dye has limited solubility in water, but it can be successfully conjugated in aqueous buffers with the addition of DMSO or DMF.
Absorption Maxima
750 nm
Extinction Coefficient
199000 M-1cm-1
Emission Maxima
773 nm
Fluorescence Quantum Yield
0.3
CAS Number
1998119-13-3, 1954687-62-7
CF260
0.022
CF280
0.029
Mass Spec M+ Shift after Conjugation
586.4
Purity
95% (by 1H NMR and HPLC-MS).
Molecular Formula
C40H48ClN3O
Molecular Weight
622.28 kDa
Product Form
Green powder.
Solubility
Good in DMSO, DMF, and alcohols.
Storage
Shipped at room temperature. Upon delivery, store in the dark at -20°C. Avoid prolonged exposure to light. Desiccate.
Disclaimer
This product is for research use only. It is not intended for diagnostic or therapeutic use.