Antibodies
Diagnostic & Veterinary
Supplier
Biotium
5-(&6)-Carboxy-2',7'-Dichlorofluorescein

SKU

51015

Size

Each

$103

Descrition & Target

5-(and-6)-carboxy-2',7'-dichlorofluorescein is similar to carboxyfluorescein, but has lower pK<sub>a.</sub> It is useful for detecting pH in more acidic environment. Also see the membrane-permeant compound dichlorofluorescein diacetate.
<ul>
<li>pK<sub>a</sub> = 4.8</li>
<li>&lamba;<sub>Ex</sub>/&lamba;<sub>Em</sub> = 504/529 nm</li>
<li>&epsilon;= 90,000</li>
<li>Orange solid soluble in DMSO and pH&gt;6 buffers</li>
<li>Store at room temperature and protect from light, especially in solution</li>
<li>C<sub>21</sub>H<sub>10</sub>Cl<sub>2</sub>O<sub>7</sub></li>
<li>MW: 445</li>
<li>[111843-78-8]</li>
</ul>

CAS Number

Species

Molecular Weight

Molecular Formula

Tag / Host

Expression