TABLE 3

Some commonly used alternative names for nicotine and metabolites

Alternative Names
Nicotine (S)-Nicotine
(54-11-5)a (–)-Nicotine
l-Nicotine
3-(1-Methyl-2-pyrrolidinyl)pyridine
CAb: Pyridine, 3-[(2S)-1-methyl-2-pyrrolidinyl]-
Cotinine (S)-Cotinine
(486-56-6) (–)-Cotinine
1-Methyl-5-(3-pyridinyl)-2-pyrrolidinone
CA: 2-Pyrrolidinone, 1-methyl-5-(3-pyridinyl)-, (5S)-
Trans-3′-hydroxycotinine Hydroxycotinine
(34834-67-8) 3′-Hydroxycotinine
3-Hydroxy-1-methyl-5-(3-pyridinyl)-2-pyrrolidinone
CA: 2-Pyrrolidinone, 3-hydroxy-1-methyl-5-(3-pyridinyl)-, (3R,5S)-
Nicotine N′-oxide Nicotine 1′-oxide
(491-26-9; trans: 51095-86-4) Nicotine 1′-N-oxide
1′(S)-2′(S)-Trans-nicotine-N′-oxide
CA: Pyridine, 3-[(2S)-1-methyl-1-oxido-2-pyrrolidinyl]-
Trans, CA: Pyridine, 3-[(1S,2S)-1-methyl-1-oxido-2-pyrrolidinyl]-
Nornicotine S-Isomer: (–)-Nornicotine
(S-Isomer: 494-97-3; Racemic: 5746-86-1) l-Nornicotine
S-Isomer, CA: Pyridine, 3-(2S)-2-pyrrolidinyl-
Racemic: (±)-Nornicotine
(RS)-Nornicotine
Racemic, CA: Pyridine, 3-(2-pyrrolidinyl)-
Norcotinine Demethylcotinine
(S-Isomer: 5980-06-3; Racemic: 17708-87-1) S-Isomer: (–)-Demethylcotinine
S-(–)-Norcotinine
S-Isomer, CA: 2-Pyrrolidinone, 5-(3-pyridinyl)-, (5S)-
Racemic: (±)-Demethylcotinine
(±)-Norcotinine
(RS)-Norcotinine
Racemic, CA: 2-Pyrrolidinone, 5-(3-pyridinyl)-
Cotinine N-oxide CA: 2-Pyrrolidinone, 1-methyl-5-(1-oxido-3-pyridinyl)-, (5S)-
(36508-80-2)
5′-Hydroxycotinine Allohydroxycotinine
(Racemic: 75919-05-0; 5′(R): 61192-50-5) Racemic, CA: 2-Pyrrolidinone, 5-hydroxy-1-methyl-5-(3-pyridinyl)-
5′(R), CA: 2-Pyrrolidinone, 5-hydroxy-1-methyl-5-(3-pyridinyl)-, (5R)-
4-Oxo-4-(3-pyridyl)-N-methylbutanamide γ-(3-Pyridyl)-γ-oxo-N-methylbutyramide
(713-05-3) CA: 3-Pyridinebutanamide, N-methyl-γ-oxo-
5′-Hydroxynorcotinine Allohydroxynorcotinine
(118995-82-7) CA: 2-Pyrrolidinone, 5-hydroxy-5-(3-pyridinyl)-
4-Oxo-4-(3-pyridyl)-butanamide 4-(3-Pyridyl)-4-oxobutyramide
(61192-49-2) CA: 3-Pyridinebutanamide, γ-oxo-
4-Oxo-4-(3-pyridyl)butanoic acid γ-(3-Pyridyl)-γ-oxobutyric acid
(4192-31-8) 4-(3-Pyridyl)-4-oxobutyric acid
CA: 3-Pyridinebutanoic acid, γ-oxo-
4-Hydroxy-4-(3-pyridyl)butanoic acid γ-(3-Pyridyl)-γ-hydroxybutyric acid
(15569-97-8) 4-(3-Pyridyl)-4-hydroxybutyric acid
CA: 3-Pyridinebutanoic acid, γ-hydroxy-
4-(Methylamino)-1-(3-pyridyl)-1-butanone, and cyclized form Pseudooxynicotine
(2055-23-4); Cyclized form: 2′-hydroxynicotine
Cyclized and dehydrated forms Cyclized and dehydrated: N-methylmyosmine
(525-74-6, 75043-32-2) CA: 1-Butanone, 4-(methylamino)-1-(3-pyridinyl)-
Cyclized and dehydrated forms, CA: Pyridine, 3-(4,5-dihydro-1-methyl-1H-pyrrol-2-yl)- and 2H-Pyrrolium, 3,4-dihydro-1-methyl-5-(3-pyridinyl)-
Nicotine isomethonium ion N-methylnicotinium ion
(21446-46-8) CA: Pyridinium, 1-methyl-3-[(2S)-1-methyl-2-pyrrolidinyl]-, iodide
Cotinine methonium ion N-methylcotininium ion
(33952-07-7) CA: Pyridinium, 1-methyl-3-(1-methyl-5-oxo-2-pyrrolidinyl)-, iodide, (S)-
  • a The numbers in parentheses are Chemical Abstracts Registry numbers

  • b CA, Chemical Abstracts index name