PubChem CID: 73977909 Molecular Formula: C?H?BO? Cell Premeable: Yes Salt form: No Coumarin boronic acid (CBA) is a fluorescent probe useful for the detection of peroxynitrite, hypochlorous acid, and hydrogen peroxide. It reacts directly and rapidly with peroxynitrite at a much faster rate (k = 1.1 μM/s) than hydrogen peroxide (k =1.5 M/s) and moderately faster rate than hypochlorous acid. Peroxynitrite oxidizes CBA stoichiometrically at a 1:1 ratio into a fluorescent product that can be examined at an excitation of 332 nm and emission > 400 nm. Smiles: B(C1=CC2=C(C=C1)C=CC(=O)O2)(O)O InChi: InChI=1S/C9H7BO4/c11-9-4-2-6-1-3-7(10(12)13)5-8(6)14-9/h1-5,12-13H Inchi Key: MUZVCJQIBNTECF-UHFFFAOYSA-N
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