C9H13N

The molecular formula C9H13N may refer to:
 * Dimethylbenzylamine
 * Methylphenethylamines
 * Amphetamine (Benzedrine, Adderall)
 * Dextroamphetamine
 * Levoamphetamine
 * β-Methylphenethylamine
 * N-Methylphenethylamine
 * 2-Methylphenethylamine
 * 3-Methylphenethylamine
 * 4-Methylphenethylamine
 * 2,4,6-Trimethylaniline