Nornicotine

**Semantic type:** Organic Chemical

**Definition:** A demethylated form of the plant alkaloid nicotine. Nornicotine is found in tobacco and is also a nicotine metabolite which acts as a nicotinic acetylcholine receptor agonist. Nornicotine can be metabolized to form the carcinogen N-nitrosonornicotine (NNN).

**Synonyms:** - (+-)-1'-Demethylnicotine - (+-)-3-(2-Pyrrolidinyl)Pyridine - (+-)-Nornicotine - (R,S)-Nornicotine - 3-[(2S)-2-Pyrrolidinyl]Pyridine - Demethylnicotine - Nicotine, 1'-Demethyl-, (+-)- - Pyridine, 3-(2-Pyrrolidinyl)-, (+-)-