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CF660ST

CF®660ST (Ex-Max 662 nm/Em-Max 681 nm)

CF®660R from Biotium is a fluorophore with an excitation peak at 662 nm and an emission peak at 681 nm. It can be useful in both fluorescence microscopy and flow cytometry. It is spectrally similar to Alexa Fluor™ 660.

Excitation & emission spectra

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Key facts

Excitation maximum
662 nm
Emission maximum
681 nm
Optimal laser line
628-640
Optimal filter
695/40
Relative brightness
4 of 5

CF660ST has an excitation maximum at 662 nm and an emission maximum at 681 nm, a Stokes shift of 19 nm. It is optimally excited by the 628-640 laser line.

Frequently asked questions

What is CF660ST?
CF®660R from Biotium is a fluorophore with an excitation peak at 662 nm and an emission peak at 681 nm. It can be useful in both fluorescence microscopy and flow cytometry. It is spectrally similar to Alexa Fluor™ 660.
What laser excites CF660ST?
CF660ST is optimally excited by the 628-640 laser line. Its excitation maximum is 662 nm.
What filter should I use to detect CF660ST?
A 695/40 filter captures the peak of the CF660ST emission near 681 nm with minimal spillover.
How bright is CF660ST?
CF660ST has a relative brightness of 4 out of 5.