Article · Wikipedia archive · Last revised Jul 5, 2026

C18H18O2

The molecular formula C18H18O2 (molar mass 266.33 g/mol, exact mass 266.13068) may refer to:Dienestrol, a synthetic estrogen 2,8-Dihydroxyhexahydrochrysene, a synthetic estrogen Equilenin, a horse steroid Honokiol, a lignan Juncusol, a 9,10-dihydrophrenathrene found in Juncus species Magnolol, a lignan

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Jul 5, 2026

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Related molecular formulas
	C₁₈H₂₀O₂
C₁₇H₁₆O₂	C₁₈H₁₈O₂	C₁₉H₂₀O₂
	C₁₈H₁₆O₂
C₁₈H₁₈O		C₁₈H₁₈O₃

The molecular formula C₁₈H₁₈O₂ (molar mass 266.33 g/mol, exact mass 266.13068) may refer to:

Dienestrol, a synthetic estrogen
2,8-Dihydroxyhexahydrochrysene, a synthetic estrogen
Equilenin, a horse steroid
Honokiol, a lignan
Juncusol, a 9,10-dihydrophrenathrene found in Juncus species
Magnolol, a lignan