433254-36-5Cc1cc(=O)oc2cc(Oc3ccc([N+](=O)[O-])cc3C(F)(F)F)ccc12RZWQPIQJZVCBSE-UHFFFAOYSA-N433254-36-5CHEMBL1368816Beschreibung4-Methyl-7-(4-nitro-2-(trifluoromethyl)phenoxy)-2H-chromen-2-one is a turn-on fluorescent probe for the detection of hydrogen sulfide (H2S). It can be excited at 348 nm in DMSO and fluorescence intensity increases in the presence of bisulfide (HS-). 4-Methyl-7-(4-nitro-2-(trifluoromethyl)phenoxy)-2H-chromen-2-one is selective for HS- over cysteine, AcO-, F-, H2PO4-, Cl-, Br-, and I- and is not cytotoxic up to a concentration of 150 μg/ml.
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