5-Carboxyfluorescein diacetate
Molecular weight: 460.39
5-CFDA is not fluorescent until deacetylated by esterase enzymes. Since only viable cells can deacetylate 5-CFDA, it is utilized in assays of viable cells
λex = 492 nm; λem = 517 nm in 0.1 M Tris pH 8.0 (esterase)
![5-CFDA [79955-27-4]](https://www.peptide.com/wp-content/uploads/2019/06/thm_lrg_1544544253-2.jpg)
