The molecular formula C₄₀H₅₆O (molar mass: 552.85 g/mol) may refer to:

• Cryptoxanthin
• Mutatochrome
• Rubixanthin

• The Blood Is Strong
• The Blood is Strong (rerelease)
• The Bloodless Revolution
• The Bloodline Chronicles
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• The Blood of Carthage (Buffy comic)
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• The blood of yingzhou district
• The Blood of Yingzhou District
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• The Blood That Moves The Body
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• The Bloody Battle of Bayamon