Chromeo™ 642 is spectrally similar to Cy5®. Conjugated antibodies exhibit superior luminescent properties and stability towards photobleaching, and have absorption and emission maxima of approximately 642 and 666 nm which are compatible with common excitation sources and filter sets.
Molar extinction Coefficient: 180,000 M-1cm-1 (measured at Amax)
Quantum Yield: ~ 15 %
Excitation Wavelength Range: 630 to 650 nm
Emission Wavelength Range: 650 to 670 nm