5-ROX (full name: 5-Carboxy-X-rhodamine, triethylammonium salt, single isomer) is a single isomer, long wavelength rhodamine dye.
<ul>
<li>&lamba;_Ex/&lamba;_Em(MeOH) = 568/595 nm</li>
<li>Dark red solid soluble in DMSO, DMF or MeOH</li>
<li>Store at 4°C and protect from light</li>
<li>C₃₉H₄₅N₃O₅</li>
<li>MW: 635.6</li>
</ul>