5-(and-6)-Carboxyrhodamine 110-X, succinimidyl ester (5(6)-CR 110-X, SE) readily couples to a primary or secondary amine. The dye is a superior alternative to 5(6)-SFX because of its exceptional phototostability and fluorescence insensitivity to pH between 4-9.
<ul>
<li>&lamba;_Ex/&lamba; _Em (MeOH) = 502/524 nm</li>
<li>Orange red solid soluble in DMSO or DMF.</li>
<li>Store at -20°C and protect from light</li>
<li>C₃₁H₂₈N₄O₈</li>
<li>MW: 584.58</li>
</ul>