SMILES: C1=CC=C(C(=C1)C(=O)O)N=NC2=CC=C(C=C2)O
Description: The molecule is an azo compound that is azobenzene in which one phenyl group is substituted at position 4 by a hydroxy group, while the other phenyl group is substituted at position 2 by a carboxy group. It is used as a matrix in matrix-assisted laser desorption/ionization (MALDI) mass spectrometry. It has a role as a MALDI matrix material. It is an azo compound, a member of phenols and a monocarboxylic acid. It derives from an azobenzene.