4- (Trifluoromethyl) umbelliferone

4- (Trifluoromethyl) umbelliferone is a coumarin-derived fluorescent compound substituted with a trifluoromethyl group. 4- (Trifluoromethyl) umbelliferone exhibits pH-responsive fluorescence, high quantum yield, metabolic stability, and enzyme substrate specificity, making it a versatile fluorescent probe for biomedical research. 4- (Trifluoromethyl) umbelliferone can be used for the detection of cytochrome P450 enzyme and UDP-glucuronosyltransferase activity, as well as for pH indication applications.