Diagnostic & Veterinary
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4-Bromo A-23187, free acid
Descrition & Target
Similar to A-23187, 4-Bromo A-23187 is used for in situ calibrations of fluorescent Ca<sup>2 </sup> indicators to equilibrate intracellular and extracellular calcium concentrations and to allow Mn<sup>2 </sup> to enter cells to quench indicator fluorescence. However, since 4-bromo A-23187 is nonfluorescent, it is preferred over the blue fluorescent A-23187 for calibrations of UV-excited Ca<sup>2 </sup> indicators such as Indo-1 and Fura-2 in order to keep background fluorescence to a minimum.
<ul>
<li>White solid soluble in DMSO or EtOH</li>
<li>Store at 4°C</li>
<li>C<sub>29</sub>H<sub>36</sub>BrN<sub>3</sub>O<sub>6</sub></li>
<li>MW: 602.52</li>
<li>[76455-48-6]</li>
</ul>
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Molecular Weight
Molecular Formula
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4-Di-1-ASP
Descrition & Target
4-Di-1-ASP is a styryl dye stains mitochondria of live cells. It has also been used to stain glioma cells in living brain tissues.
<ul>
<li>&lamba;<sub>Ex</sub>/&lamba; <sub>Em</sub> = 474/606 nm (MeOH)</li>
<li>Store at 4°C and protect from light, especially in solution</li>
<li>C<sub>16</sub>H<sub>19</sub>IN<sub>2</sub></li>
<li>MW: 366.2</li>
<li>[68971-03-9]</li>
</ul>
CAS Number
Molecular Weight
Molecular Formula
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