7- (2,4-Dinitrophenoxy) -4-methyl-2H-chromen-2-one - CAS 314742-00-2

7- (2,4-Dinitrophenoxy) -4-methyl-2H-chromen-2-one (Compound 1) serves as a fluorescent probe for detecting hydrogen sulfide (H2S) . It is characterized by a low detection limit (4x10^-6 mol/L), high selectivity, and great sensitivity. At a concentration of 150 μg/mL, it exhibits negligible cytotoxicity. The excitation wavelength is 331 nm, while in DMSO solvent, it emits at approximately 385 nm; upon addition of HS-, the fluorescence intensity significantly increases around 392 nm.

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314742-00-2

C16H10N2O7

342.26

O=C1OC=2C=C(OC3=CC=C(C=C3N(=O)=O)N(=O)=O)C=CC2C(=C1)C

-20°C

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