C15H10O5

The chemical formula C15H10O5 (molar mass : 270.23 g/mol, exact mass : 270.052823) may refer to:
 * Trihydroxyflavones:
 * Apigenin (5,7,4'-trihydroxyflavone)
 * Baicalein (5,6,7-trihydroxyflavone)
 * Galangin (3,5,7-trihydroxyflavone)
 * Norwogonin (5,7,8-Trihydroxyflavone)
 * 7,8,3'-Trihydroxyflavone
 * 6,7,4'-Trihydroxyflavone
 * Aloe emodin, an anthraquinone
 * Emodin, a purgative resin
 * Genistein, an isoflavone
 * Morindone, an anthraquinone dye
 * Thunberginol A, an isocoumarin
 * Thunberginol F, a natural benzofuran