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CF660R

CF®660R (Ex-Max 663 nm/Em-Max 682 nm)

CF®660R from Biotium is a fluorophore with an excitation peak at 662 nm and an emission peak at 682 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
682 nm
Optimal laser line
628-640
Optimal filter
695/40
Relative brightness
3 of 5
Extinction coefficient
100000
Molecular weight
888
Commercial conjugates
35 from 1 supplier

CF660R has an excitation maximum at 662 nm and an emission maximum at 682 nm, a Stokes shift of 20 nm. Its extinction coefficient is 100000 M⁻¹cm⁻¹. It is optimally excited by the 628-640 laser line.

Frequently asked questions

What is CF660R?
CF®660R from Biotium is a fluorophore with an excitation peak at 662 nm and an emission peak at 682 nm. It can be useful in both fluorescence microscopy and flow cytometry. It is spectrally similar to Alexa Fluor™ 660.
What laser excites CF660R?
CF660R is optimally excited by the 628-640 laser line. Its excitation maximum is 662 nm.
What filter should I use to detect CF660R?
A 695/40 filter captures the peak of the CF660R emission near 682 nm with minimal spillover.
How bright is CF660R?
CF660R has a relative brightness of 3 out of 5.
How many antibodies are available conjugated to CF660R?
FluoroFinder tracks 35 commercially available CF660R conjugates, searchable by target, clone, host and application.