Chemistry:C36H22O18

The molecular formula C₃₆H₂₂O₁₈ (molar mass: 742.52 g/mol, exact mass: 742.0806128 u) may refer to:

• Dieckol, an eckol-type phlorotannin
• 6,6'-Bieckol, an eckol-type phlorotannin
• 8,8′-Bieckol, an eckol-type phlorotannin