The molecular formula C5H12 (molar mass: 72.15 g/mol, exact mass: 72.0939 u) may refer to:
- Pentanes
- Pentane
- Eupione, or eupion
- Isopentane, or methylbutane
- Neopentane, or 2,2-dimethylpropane
The molecular formula C5H12 (molar mass: 72.15 g/mol, exact mass: 72.0939 u) may refer to: