C10H9N
# C10H9N

The molecular formula $C_{10}H_9N$ (molar mass: 143.19 g/mol, exact mass: 143.0735 u) may refer to:

* Benzazepine
* Lepidine, or 4-methylquinoline
* 1-Naphthylamine
* 2-Naphthylamine
* Quinaldine
