C3H5N
# C3H5N

The molecular formula $C_3H_5N$ (molar mass: 55.08 g/mol, exact mass: 55.0422 u) may refer to:

* 1-Azabicyclo[1.1.0]butane
* 1-Azetine (dihydroazete)
* 2-Azetine
* Propargylamine (2-propynylamine)
* Propionitrile (propanenitrile)
