2′,7′-Dichlorofluorescein diacetate

2′,7′-Dichlorofluorescein diacetate (DCFH2-DA) is a cell-permeable fluorescent probe. 2′,7′-Dichlorofluorescein diacetate can be used to detect the generation of reactive oxygen intermediates and for assessing the overall oxidative stress in toxicological phenomenon.