Janelia Fluor® 669, Maleimide

Catalog # Availability Size / Price Qty
8097/200U
Janelia Fluor® 669, Maleimide | Fluorescent Dyes
1 Image
Description: Red dye (Reactive group: maleimide). Application: flow cytometry, confocal microscopy, super resolution microscopy including dSTORM & STED. Suitable for live cell imaging

Chemical Name: 2-(3-(Azetidin-1-ium-1-ylidene)-7-(azetidin-1-yl)-5,5-dimethyl-3,5-dihydrodibenzo[b,e]silin-10-yl)-4-((2-((2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)amino)-2-oxoethyl)thio)-3,5,6-trifluorobenzoate

Purity: ≥95%

Product Details
Reviews

Biological Activity

Key information: Janelia Fluor® 669, Maleimide is a red fluorogenic fluorescent dye, supplied with a maleimide reactive group for conjugation (thiol reactivity). Suitable for live cell imaging.

Application: Suitable for flow cytometry, confocal microscopy, super resolution microscopy (SRM) including dSTORM (in both live and fixed cells) and STED. Can be multiplexed for two color imaging with Janelia Fluor® 549 SE (Cat. No. 6147). Cell permeable.

Properties and Photophysical Data: Excitation and emission maxima (λ) are 669 nm and 689 nm, respectively.

Please see the product protocol for further information and a guide to protein/antibody labeling.

To measure the absorbance spectrum of this dye we recommend the following solvent: ethanol or trifluoroethanol plus 0.1% TFA.

We also offer Janelia Fluor® conjugated antibodies and custom conjugation services with our sister company Novus Biologicals.

Janelia Fluor is a registered trademark of Howard Hughes Medical Institute.

Optical Data for Janelia Fluor® 669, Maleimide

Emission Color Red
λabs 669 nm
λem 689 nm
Reactive Group Maleimide
Reactivity Thiols
Cell Permeable Yes
Application Confocal Microscopy, dSTORM, STED, Flow Cytometry, Live-cell Imaging

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:
718.82
Formula:
C36H33F3N4O5SSi
Solubility:
Soluble to 10 mM in DMSO
Purity:
≥95%
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.

Additional Information

Licensing Caveats:
Sold under license from the Howard Hughes Medical Institute, Janelia Research Campus

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 CoA (available online).

FAQs

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

View all Small Molecule FAQs

Reviews for Janelia Fluor® 669, Maleimide

There are currently no reviews for this product. Be the first to review Janelia Fluor® 669, Maleimide and earn rewards!

Have you used Janelia Fluor® 669, Maleimide?

Submit a review and receive an Amazon gift card.

$25/€18/£15/$25CAN/¥75 Yuan/¥2500 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.