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Janelia Fluor 669, Maleimide

Janelia Fluor 669, Maleimide has an excitation peak at 669 nm and an emission peak at 689 nm. Janelia Fluor 669, Maleimide is a red fluorogenic fluorescent dye, supplied with a maleimide reactive group for conjugation (thiol reactivity).

Excitation & emission spectra

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Key facts

Excitation maximum
669 nm
Emission maximum
689 nm
Molecular weight
718.82

Janelia Fluor 669, Maleimide has an excitation maximum at 669 nm and an emission maximum at 689 nm, a Stokes shift of 20 nm.

Frequently asked questions

What is Janelia Fluor 669, Maleimide?
Janelia Fluor 669, Maleimide has an excitation peak at 669 nm and an emission peak at 689 nm. Janelia Fluor 669, Maleimide is a red fluorogenic fluorescent dye, supplied with a maleimide reactive group for conjugation (thiol reactivity).