7-Azido-4-methylcoumarin

7-Azido-4-methylcoumarin (AzMC) is a coumarin fluorescent probe for hydrogen sulfide (H2S). AzMC selectively fluoresces in the presence of H2S over a panel of reactive nitrogen, oxygen, and sulfur species. AzMC displays excitation/emission maxima of 340/445 nm, respectively.Formal Name: 7-azido-4-methyl-2H-1-benzopyran-2-one. CAS Number: 95633-27-5. Synonyms: AzMC. Molecular Formula: C10H7N3O2. Formula Weight: 201.2. Purity: >95%. Emission: 445 nm. Excitation: 340 nm. Formulation: (Request formulation change), A crystalline solid. Solubility: DMSO: soluble. lambdamax: 297, 324 nm. SMILES: O=C(C=C1C)OC2=C1C=CC(N=[N+]=[N-])=C2. InChi Code: InChI=1S/C10H7N3O2/c1-6-4-10(14)15-9-5-7(12-13-11)2-3-8(6)9/h2-5H,1H3. InChi Key: HEKDKVLIMUWRRZ-UHFFFAOYSA-N.