For some applications, 5-(and-6)-carboxyrhodamine (5(6)-CR 110) is a superior alternative to the widely used green fluorescent dye 5-(and-6)-carboxyfluorescein. The dye is insensitive to pH between 4 and 9 and is much more photostable than fluorescein.

<ul>
<li>&lamba;_Ex/&lamba;_Em (MeOH) = 502/524 nm</li>
<li>Orange red solid soluble in H₂O (pH&gt;6), DMF or DMSO</li>
<li>Store at 4°C and protect from light</li>
<li>C₂₁H₁₅ClN₂O₅</li>
<li>MW: 410.81</li>
</ul>