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mFluor™ Blue 620 SE
mFluor™ Blue 620 dye can be well excited with blue laser at 488 nm. It has a huge Stokes shift with emission ~620 nm. mFluor™ Blue 620 dyes are water-soluble, and the protein conjugates prepared with mFluor™ Blue 620 dyes are well excited at 488 nm to give red fluorescence. mFluor™ Blue 620 dye and conjugates are excellent blue laser reagents for flow cytometry detections. Compared to RPE, mFluor™ Blue 620 dyes are much more photostable, making them readily available for fluorescence imaging applications while it is very difficult to use RPE conjugates for fluorescence imaging applications due to the rapid photobleaching of RPE conjugates. It is also a unique fluorochrome for spectral flow cytometry since there are very few existing dyes that have this spectral profile.
Flow cytometry analysis of whole blood stained with mFluor™ Blue 620 anti-human CD4 *SK3* conjugate. The fluorescence signal was monitored using an Aurora spectral flow cytometer in the mFluor™ Blue 620 specific B7-A channel.
Flow cytometry analysis of whole blood stained with mFluor™ Blue 620 anti-human CD4 *SK3* conjugate. The fluorescence signal was monitored using an Aurora spectral flow cytometer in the mFluor™ Blue 620 specific B7-A channel.
CatalogSize
Price
Quantity
11631 mg
Price
 
Physical properties

Molecular weight1743.06
SolventDMSO
Spectral properties

Absorbance (nm)591
Correction factor (260 nm)0.683
Correction factor (280 nm)0.849
Extinction coefficient (cm -1 M -1)
98000
1
Excitation (nm)499
Emission (nm)616
Quantum yield
0.18
1
Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
UNSPSC12171501
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Page updated on October 22, 2025