BDY 650-X, SE
Chemical Name: (T-4)-[2-[4-[2-[2-[([2,2'-Bi-1H-pyrrol]-5-yl-κN1)methylene]-2H-pyrrol-5-yl-κN]ethenyl]phenoxy]-N-[6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]acetamidato]difluoroboron
Biological ActivityBDY 650-X, SE is a fluorescent far-red BDY (BODIPY® or boron-dipyrromethene) dye for the labeling of amines. Displays high fluorescence quantum yield and high extinction coefficient and is relatively insensitive to pH change. This dye contains a seven-atom aminohexanoyl ("X") spacer between the fluorophore and the NHS ester group, reducing the potential for interactions between the fluorophore and conjugated biomolecule. The hydrophobic nature of BDY 650-X makes it ideal for labeling lipids and cell membranes. BDY 650-X also exhibits narrow emission bandwidths and has a relatively long excited-state lifetime, making it ideal for fluorescence polarization assays and two-photon excitation (TPE) microscopy. Excitation maximum ~646 nM; emission maximum ~660 nM.
For more information on how BDY 650-X, SE may be used, see our protocol: Conjugation Protocol for Amine Reactive Dyes.
BODIPY® is a registered trademark of Molecular Probes.
Optical Data for BDY 650-X, SE
|Emission Color||Far Red|
|Extinction Coefficient (ε)||102000 M-1cm-1|
|Quantum Yield (φ)||0.52|
|Reactive Group||NHS ester|
|Correction Factor 260||0.04|
|Correction Factor 280||0.04|
|Application||Confocal fluorescence, fluorescence polarization assays and two-photon excitation (TPE) microscopy|
|Alternative For||BDY 630-X, SE; Cy5; Alexa Fluor 647|
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
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.
Complete Your Research
- This product is predominantly the E isomer with <10% Z isomer present
A dendritic single-molecule fluorescent probe that is monovalent, photostable and minimally blinking.
Yang et al.
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