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Chemical name 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone
Molecular formula C10H13N3O2
Molar mass 207.23 g/mol
CAS number [64091-91-4]

4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (abbreviated NNK) is a nitrosamine present in tobacco that is a potent procarcinogen. It is activated by CYP2A6. It is a biomarker of exposure to cigarette smoke. It is produced upon the curing of tobacco.


This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "NNK". A list of authors is available in Wikipedia.
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