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CF543

CF®543 (Ex-Max 541 nm/Em-Max 560 nm)

CF®543 from Biotium is a fluorophore with an excitation peak at 541 nm and an emission peak at 560 nm. It can be useful in both fluorescence microscopy and flow cytometry.

Excitation & emission spectra

400450500550600650700750800

Key facts

Excitation maximum
541 nm
Emission maximum
560 nm
Optimal laser line
532
Optimal filter
585/42
Relative brightness
2 of 5
Extinction coefficient
100000
Molecular weight
870
Commercial antibodies
44 from 1 supplier

CF543 has an excitation maximum at 541 nm and an emission maximum at 560 nm, a Stokes shift of 19 nm. Its extinction coefficient is 100000 M⁻¹cm⁻¹. It is optimally excited by the 532 laser line.

Frequently asked questions

What is CF543?
CF®543 from Biotium is a fluorophore with an excitation peak at 541 nm and an emission peak at 560 nm. It can be useful in both fluorescence microscopy and flow cytometry.
What laser excites CF543?
CF543 is optimally excited by the 532 laser line. Its excitation maximum is 541 nm.
What filter should I use to detect CF543?
A 585/42 filter captures the peak of the CF543 emission near 560 nm with minimal spillover.
How bright is CF543?
CF543 has a relative brightness of 2 out of 5.
How many antibodies are available conjugated to CF543?
FluoroFinder tracks 44 commercially available CF543 conjugates, searchable by target, clone, host and application.