Loading the Dye Directory…

JFX 554, Maleimide

JFX 554, Maleimide has an excitation peak at 554 nm and an emission peak at 576nm. JFX 554, Maleimide is a yellow fluorescent deuterated Janelia Fluor dye supplied with a Maleimide reactive group for conjugation (thiol reactivity) and shows enhanced brightness, photostability and chromostability.

Excitation & emission spectra

400450500550600650700750800

Key facts

Excitation maximum
554 nm
Emission maximum
576 nm
Extinction coefficient
104000
Quantum yield
0.8

JFX 554, Maleimide has an excitation maximum at 554 nm and an emission maximum at 576 nm, a Stokes shift of 22 nm. Its extinction coefficient is 104000 M⁻¹cm⁻¹.

Frequently asked questions

What is JFX 554, Maleimide?
JFX 554, Maleimide has an excitation peak at 554 nm and an emission peak at 576nm. JFX 554, Maleimide is a yellow fluorescent deuterated Janelia Fluor dye supplied with a Maleimide reactive group for conjugation (thiol reactivity) and shows enhanced brightness, photostability and chromostability.