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CF503R

CF®503R (Ex-Max 503 nm/Em-Max 532 nm)

CF®503R from Biotium is a fluorophore with an excitation peak at 503 nm and an emission peak at 532 nm. It is spectrally similar to Fluorescein, Alexa Fluor™ 488 and DyLight™ 488. It can be use in fluorescence microscopy and flow cytometry.

Excitation & emission spectra

400450500550600650700750800

Key facts

Excitation maximum
503 nm
Emission maximum
532 nm
Optimal laser line
488
Optimal filter
525/50
Relative brightness
1 of 5
Extinction coefficient
90000
Molecular weight
1100
Commercial antibodies
6 from 1 supplier

CF503R has an excitation maximum at 503 nm and an emission maximum at 532 nm, a Stokes shift of 29 nm. Its extinction coefficient is 90000 M⁻¹cm⁻¹. It is optimally excited by the 488 laser line.

Frequently asked questions

What is CF503R?
CF®503R from Biotium is a fluorophore with an excitation peak at 503 nm and an emission peak at 532 nm. It is spectrally similar to Fluorescein, Alexa Fluor™ 488 and DyLight™ 488. It can be use in fluorescence microscopy and flow cytometry.
What laser excites CF503R?
CF503R is optimally excited by the 488 laser line. Its excitation maximum is 503 nm.
What filter should I use to detect CF503R?
A 525/50 filter captures the peak of the CF503R emission near 532 nm with minimal spillover.
How bright is CF503R?
CF503R has a relative brightness of 1 out of 5.
How many antibodies are available conjugated to CF503R?
FluoroFinder tracks 6 commercially available CF503R conjugates, searchable by target, clone, host and application.