TFAX 546, SE

Catalog # Availability Size / Price Qty
6623/1
TFAX Dyes Small Molecule
1 Image
Description: Yellow fluorescent dye; amine reactive

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

Product Details
Reviews

Biological Activity

Amine 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

Emission Color Yellow
Brightness
λabs 554 nm
λem 570 nm
Extinction Coefficient (ε) 112000 M-1cm-1
Quantum Yield (φ) 0.79
Closest Laser line 532 nm
Reactive Group NHS ester
Reactivity Primary amines
Cell Permeable No
pH Sensitivity pH insensitive pH 4-10
Application microscopy
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.

Plan Your Experiments

Use our spectra viewer to interactively plan your experiments, assessing multiplexing options. View the excitation and emission spectra for our fluorescent dye range and other commonly used dyes.

Spectral Viewer

Spectral Viewer

Technical Data

M.Wt:
1159.6
Formula:
C44H47Cl3N4O14S.(CH3CH2)3NH
Solubility:
Soluble in DMSO
Storage:
Store at -20°C

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.

Product Datasheets

Reconstitution Calculator
Molarity Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

=
÷

Molarity Calculator

=
x
x
g/mol

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

FAQs

No product specific FAQs exist for this product, however you may

View all Small Molecule FAQs

Reviews for TFAX 546, SE

There are currently no reviews for this product. Be the first to review TFAX 546, SE and earn rewards!

Have you used TFAX 546, SE?

Submit a review and receive an Amazon gift card.

$25/€18/£15/$25CAN/¥75 Yuan/¥1250 Yen for a review with an image

$10/€7/£6/$10 CAD/¥70 Yuan/¥1110 Yen for a review without an image

Submit a Review
Tocris Bioscience is the leading supplier of novel and exclusive tools for life science research with over 30 years' experience in the industry. Tocris is a Bio-Techne brand.