C20H42 Index of chemical compounds with the same molecular formula From Wikipedia, the free encyclopedia The molecular formula C20H42 may refer to: Crocetane, or 2,6,11,15-tetramethylhexadecane, a diterpenoid alkane Icosane, an alkane hydrocarbon Phytane, a diterpenoid alkane This set index page lists chemical structure articles associated with the same molecular formula.If an internal link led you here, you may wish to change the link to point directly to the intended article. More information Related molecular formulas ... Related molecular formulas C19H40 C20H42 C21H44 C20H40 Close Related Articles