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Spectra Viewer

About Chromeo 546

Chromeo™ 546 is a bright, red fluorescent label that replaces Cy3*, Alexa Fluor 546*, DyLight 549* and other dyes excitable within a wavelength range of 530-555 nm. It exhibits superior luminescence properties, a broad Stokes shift, stability towards photobleaching and pH, and low cell toxicity. Chromeo 546 is compatible with various excitation sources including mercury arc, tungsten and xenon arc lamps, the 544 nm line of the Helium-Neon laser and the 532 nm green laser line.