Loading the Dye Directory…

CF850

CF®850 (Ex-Max 852 nm/Em-Max 870 nm)

CF®850 from Biotium is a fluorophore with an excitation peak at 852 nm and an emission peak at 870 nm.

Excitation & emission spectra

400450500550600650700750800

Key facts

Excitation maximum
852 nm
Emission maximum
870 nm
Optimal laser line
808
Optimal filter
885/40
Extinction coefficient
240000
Molecular weight
2787

CF850 has an excitation maximum at 852 nm and an emission maximum at 870 nm, a Stokes shift of 18 nm. Its extinction coefficient is 240000 M⁻¹cm⁻¹. It is optimally excited by the 808 laser line.

Frequently asked questions

What is CF850?
CF®850 from Biotium is a fluorophore with an excitation peak at 852 nm and an emission peak at 870 nm.
What laser excites CF850?
CF850 is optimally excited by the 808 laser line. Its excitation maximum is 852 nm.
What filter should I use to detect CF850?
A 885/40 filter captures the peak of the CF850 emission near 870 nm with minimal spillover.