Loading the Dye Directory…

PromoFluor 750

PromoFluor 750 (Ex-Max 748 nm/Em-Max 772 nm)

PromoFluor 750 is a fluorophore with an excitation peak at 748 nm and an emission peak at 772 nm. It is equivalent to Alexa Fluor™ 750 and Cy7 in size, brightness and application. It can be used with the following analysis platforms: In Vivo and Fluorescence Microscopy.

Excitation & emission spectra

400450500550600650700750800

Key facts

Excitation maximum
748 nm
Emission maximum
772 nm
Optimal laser line
750
Optimal filter
780/60
Relative brightness
1 of 5
Extinction coefficient
270000
Quantum yield
0.253

PromoFluor 750 has an excitation maximum at 748 nm and an emission maximum at 772 nm, a Stokes shift of 24 nm. Its extinction coefficient is 270000 M⁻¹cm⁻¹. It is optimally excited by the 750 laser line.

Frequently asked questions

What is PromoFluor 750?
PromoFluor 750 is a fluorophore with an excitation peak at 748 nm and an emission peak at 772 nm. It is equivalent to Alexa Fluor™ 750 and Cy7 in size, brightness and application. It can be used with the following analysis platforms: In Vivo and Fluorescence Microscopy.
What laser excites PromoFluor 750?
PromoFluor 750 is optimally excited by the 750 laser line. Its excitation maximum is 748 nm.
What filter should I use to detect PromoFluor 750?
A 780/60 filter captures the peak of the PromoFluor 750 emission near 772 nm with minimal spillover.
How bright is PromoFluor 750?
PromoFluor 750 has a relative brightness of 1 out of 5 (quantum yield 0.253).