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

7-(2,4-Dinitrophenoxy)-4-methyl-2H-chromen-2-one is a turn-on fluorescent probe for the detection of hydrogen sulfide (H2S). 7-(2,4-Dinitrophenoxy)-4-methyl-2H-chromen-2-one undergoes thiolysis by hydrogen sulfide (HS1-). It displays excitation/emission maxima of 323/445 nm, respectively, in DMSO and its fluorescence intensity increases in the presence of sulfur-containing molecules. 7-(2,4-Dinitrophenoxy)-4-methyl-2H-chromen-2-one is selective for sulfur-containing molecules, including cysteine, glutathione (GSH), homocysteine, and selenocysteine and is not cytotoxic up to a concentration of 150 µg/ml.Formal Name: 7-(2,4-dinitrophenoxy)-4-methyl-2H-1-benzopyran-2-one. CAS Number: 314742-00-2. Molecular Formula: C16H10N2O7. Formula Weight: 342.3. Purity: >98%. Emission: 445 nm. Excitation: 323 nm. Formulation: (Request formulation change), A crystalline solid. Solubility: Chloroform: 30mg/mL, DMF: 30mg/mL, DMF:PBS (pH 7.2) (1:2): 0.30mg/mL, DMSO: 5mg/mL. lambdamax: 286, 314 nm. SMILES: CC(C(C=C1)=C(O2)C=C1OC3=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C3)=CC2=O. InChi Code: InChI=1S/C16H10N2O7/c1-9-6-16(19)25-15-8-11(3-4-12(9)15)24-14-5-2-10(17(20)21)7-13(14)18(22)23/h2-8H,1H3. InChi Key: CHCWRLPZTULFBO-UHFFFAOYSA-N.