TFAX 594, SE

Catalog # Availability Size / Price Qty
6625/1
TFAX 594, SE | CAS No. 295348-87-7 | TFAX Dyes
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Description: Red fluorescent dye; amine reactive

Chemical Name: 6-[2-Carboxy-4(5)-[[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl]phenyl]-1,2,10,11-tetrahydro-1,2,2,10,10,11-hexamethyl-4,8-bis(sulfomethyl)pyrano[3,2-g:5,6-g']diquinolin-13-ium inner salt

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Biological Activity

Amine reactive red fluorescent dye. Insensitive to pH in the range 4 - 10. Forms bright and photostable conjugates with proteins and antibodies. Suitable for use in flow cytometry, 2-photon excitation microscopy, and super resolution mircoscopy techniques, such as dSTORM. Excitation/emission maxima ~ 590 / 660 nm; extinction coefficient = 92,000 M-1cm-1; quantum yield = 0.66.

Optical Data for TFAX 594, SE

Emission Color Red
Brightness
λabs 590 nm
λem 617 nm
Extinction Coefficient (ε) 92,000 M-1cm-1
Quantum Yield (φ) 0.66
Closest Laser line 594 nm
Reactive Group NHS ester
Reactivity Primary amines
Alternative For Alexa Fluor® 594, Texas Red®, Bodipy-TR

Alexa Fluor® is a registered trademark of Molecular Probes, Inc, a Thermo Fisher Scientific Company.

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Technical Data

Formula:
C39H37N3O13S2
Solubility:
Soluble in DMSO
Storage:
Store the unopened product at -20 to -70 °C. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. Do not use past expiration date.
CAS No:
295348-87-7

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.

Background References

  1. Alexa dyes, a series of new fluorescent dyes that yield exceptionally bright, photostable conjugates.
    Panchuk?Voloshina et al.
    J.Histochem.Cytochem., 1999;47:1179

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