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Catalog ID 6277 / 25 mg

DiBAC4(3)

AKA: Bis-(1,3-dibutylbarbituric acid)trimethine oxonol
Formula Weight CAS#
C27H40N4O6 516.64 70363-83-6
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DiBAC4(3) is a slow-response, anionic, lipophilic green-fluorescent dye that is commonly used for measurements of plasma membrane voltage potentials in live cells. The anionic oxonol dye enters depolarized cells where it binds to membranes and proteins and exhibits an increase in fluorescence intensity. Increasing depolarization in the cells results in increased influx of the anionic dye and a corresponding increase in fluorescence intensity. Hyperpolarization in the cells indicated by a loss of fluorescence intensity within the labeled cells. DiBAC4(3) is excited near 493 nm with an environmentally dependent fluorescence emission near 517 nm. .

Product Size 25 mg
Form Red orange solid
Absorption (estimated) Wavelength (λmax) 493 ± 3 nm (Methanol)
Fluorescence (estimated) Wavelength (λmax) 517 ± 4 nm (Methanol)
Storage conditions Store at Room Temperature (RT) Protect from moisture (D) Protect from light (L)
MDL#

* Bis-(1,3-dibutylbarbituric acid)trimethine oxonol
* 2,4,6(1H,3H,5H)-Pyrimidinetrione, 1,3-dibutyl-5-(3-(1,3-dibutyl-1,2,3,4-tetrahydro-6-hydroxy- 2,4-dioxo-5-pyrimidinyl)-2-propenylidene)-

Fluorescent Probes and Related Products:   Oxonol
Cellular Sensors, Ion and pH Indicators (Fluorescent/Non-Fluorescent):   Voltage and Membrane Potential Sensors

Safety Data Sheet
SDS-PDF
Certificates of Analysis
Lot 51683 20-Aug-2019
Lot 51590 01-Apr-2019
Lot 51003 04-Nov-2016
Lot 50877 17-Jun-2016
Lot 50102 23-Jul-2014

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