JOE is a xanthene fluorophore (i.e., 4',5'-dichloro-2',7'-dimethoxy-5 (6)-carboxyfluorescein, 2,7-dimethoxy-4,5-dichloro-6-carboxyfluorescein) with an absorption wavelength of approximately 525 nm and an emission wavelength of approximately 550 nm. The fluorescence quantum yield of JOE correlates with the rigidity of the linker arm and the distance to dG nucleoside. JOE is commonly used as a fluorescent label for oligonucleotides and molecular beacon probes, and also serves as the acceptor fluorophore in fluorescence energy transfer primers for DNA sequencing[1][2][3].
Molecular Weight:
505.26
Purity:
99.59
CAS Number:
[82855-40-1]
Formula:
C23H14Cl2O9
Target:
DNA Stain,Fluorescent Dye
Application Notes:
MCE Product type: Reference compound
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