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Chromeo 546

Chromeo 546 (Ex-Max 545 nm/Em-Max 561 nm)

Chromeo 546 from Active Motif has an excitation peak at 545 nm and an emission peak at 561 nm and is recommended for use in fluorescence microscopy.

Excitation & emission spectra

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Key facts

Excitation maximum
545 nm
Emission maximum
561 nm
Optimal laser line
532
Optimal filter
586/25
Relative brightness
2 of 5
Extinction coefficient
98800

Chromeo 546 has an excitation maximum at 545 nm and an emission maximum at 561 nm, a Stokes shift of 16 nm. Its extinction coefficient is 98800 M⁻¹cm⁻¹. It is optimally excited by the 532 laser line.

Frequently asked questions

What is Chromeo 546?
Chromeo 546 from Active Motif has an excitation peak at 545 nm and an emission peak at 561 nm and is recommended for use in fluorescence microscopy.
What laser excites Chromeo 546?
Chromeo 546 is optimally excited by the 532 laser line. Its excitation maximum is 545 nm.
What filter should I use to detect Chromeo 546?
A 586/25 filter captures the peak of the Chromeo 546 emission near 561 nm with minimal spillover.
How bright is Chromeo 546?
Chromeo 546 has a relative brightness of 2 out of 5.