TFAX 546, SE New
Chemical Name: 6-[2-Carboxy-3,4,6-trichloro-5-[[2-[[6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]amino]-2-oxoethyl]thio]phenyl]-1,2,3,4,8,9,10,11-octahydro-2,2,4,8,10,10-hexamethyl-12,14-disulfopyrano[3,2-g:5,6-g']diquinolin-13-ium triethylammonium salt
Biological ActivityAmine reactive yellow fluorescent dye. Insensitive to pH in the range 4 - 10. Forms bright and photostable conjugates with proteins and antibodies. Suitable for use in microscopy. Excitation maximum = 554 nm; emission maximum = 570 nm; extinction coefficient = 112,000 M-1cm-1; quantum yield = 0.79.
Optical Data for TFAX 546, SE
|Extinction Coefficient (ε)||112000 M-1cm-1|
|Quantum Yield (φ)||0.79|
|Closest Laser line||532 nm|
|Reactive Group||NHS ester|
|pH Sensitivity||pH insensitive pH 4-10|
|Alternative For||TMR, Cyanine3, Alexa Fluor 546 SE, AF 546 SE|
Alexa Fluor® is a registered trademark of Molecular Probes, Inc, a Thermo Fisher Scientific Company.
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The technical data provided above is for guidance only.
For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Alexa dyes, a series of new fluorescent dyes that yield exceptionally bright, photostable conjugates.
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Alexa Fluor 546-ArIB[V11L;V16A] is a potent ligand for selectively labeling α 7 nicotinic acetylcholine receptors.
Hone et al.
Increased susceptibility of cytoplasmic over nuclear polyglutamine aggregates to autophagic degradation.
Iwata et al.
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