deuterated N'-nitrosonornicotine

Deuterated N'-nitrosonornicotine (deuterated NNN) is a chemically modified form of the tobacco-specific nitrosamine carcinogen N'-nitrosonornicotine (NNN), in which one or more hydrogen atoms are replaced by the stable isotope deuterium. This modification is used primarily for research purposes to study the metabolism and pharmacokinetics of NNN in humans, particularly among users of smokeless tobacco. Deuteration can slow metabolic breakdown due to the kinetic isotope effect, allowing for more precise tracking and quantification in biological samples. The compound itself is not a therapeutic drug but rather a labeled analog used as a probe or tracer in clinical studies investigating carcinogen exposure and metabolism[1][2][3].

Other names

deuterated N'-nitrosonornicotined-NNN