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Janelia Fluor 646, Haloalkane

Janelia Fluor 646, Haloalkane has an excitation peak at 646 nm and an emission peak at 664 nm. Janelia Fluor 646, Haloalkane is a red cell-permeable fluorogenic fluorescent dye with a chloroalkane handle and shows a high degree of fluorogenicity.

Excitation & emission spectra

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Key facts

Excitation maximum
646 nm
Emission maximum
664 nm
Optimal laser line
640
Extinction coefficient
152000
Quantum yield
0.54
Molecular weight
702.36

Janelia Fluor 646, Haloalkane has an excitation maximum at 646 nm and an emission maximum at 664 nm, a Stokes shift of 18 nm. Its extinction coefficient is 152000 M⁻¹cm⁻¹. It is optimally excited by the 640 laser line.

Frequently asked questions

What is Janelia Fluor 646, Haloalkane?
Janelia Fluor 646, Haloalkane has an excitation peak at 646 nm and an emission peak at 664 nm. Janelia Fluor 646, Haloalkane is a red cell-permeable fluorogenic fluorescent dye with a chloroalkane handle and shows a high degree of fluorogenicity.
What laser excites Janelia Fluor 646, Haloalkane?
Janelia Fluor 646, Haloalkane is optimally excited by the 640 laser line. Its excitation maximum is 646 nm.