The molecular formula C7H16 may refer to:Dimethylpentanes 2,2-Dimethylpentane 2,3-Dimethylpentane 2,4-Dimethylpentane 3,3-Dimethylpentane 3-Ethylpentane Heptane Methylhexanes 2-Methylhexane 3-Methylhexane 2,2,3-Trimethylbutane