title: 2-Formyl-3-hydr-oxy-9,10-anthroquinone.
abstract: The mol-ecule of the title compound, C(15)H(8)O(4), is approximately planar. An intra-molecular O-H⋯O hydrogen bond is observed between the hydr-oxy and formyl groups. The crystal used was a nonmerohedral twin, with a minor twin component of 15.9%.
authors.forename: Nor Hadiani
authors.initials: NH
authors.lastname: Ismail
authors.forename: Che Puteh
authors.initials: CP
authors.lastname: Osman
authors.forename: Khalijah
authors.initials: K
authors.lastname: Awang
authors.forename: Sri Nurestri
authors.initials: SN
authors.lastname: Abdul Malek
authors.forename: Seik Weng
authors.initials: SW
authors.lastname: Ng