5-FAM (full name: 5-Carboxyfluorescein, single isomer) is the free acid form of 5-carboxyfluorescein single isomer.
<ul>
<li>&lamba;Ex/&lambda;Em (pH 9) = 492/514 nm</li>
<li>Yellow orange solid soluble in pH&gt;6 water</li>
<li>Store at 4&deg;C and protect from light, especially in solution</li>
<li>C₂₁H₁₂O₇</li>
<li>MW: 376.3</li>
<li>[76823-03-5]</li>
</ul>