The molecular formula C₁₄H₈O₅ (molar mass: 256.21 g/mol, exact mass: 256.037173) may refer to:

• Anthrapurpurin, a purple dye used in histology
• 1,2,4-Trihydroxyanthraquinone, aka Purpurin, an anthraquinone dye
• 1,3,8-Trihydroxyanthraquinone

Index of chemical compounds with the same molecular formula

This set index page lists chemical structure articles associated with the same molecular formula.
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