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