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The title Schiff base compound, C15H13BrN2O3, is derived from the condensation of 5-bromo-2-methoxybenzaldehyde with 2-hydroxybenzohydrazide in an ethanol solution. The dihedral angle between the two aromatic rings is 6.9 (9)°. The methoxy group is coplanar with the attached ring [C—O—C—C = 3.1 (12)°]. An intramolecular N—H...O hydrogen bond is observed. In the crystal structure, the molecules are linked into chains along the [001] direction by intermolecular O—H...N, O—H...O and C—H...O hydrogen bonds.