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Molecular formula

C18H20N4O

224 compounds have this formula on CompoundList.

Molar mass
308.38g/mol
Monoisotopic mass
308.1637Da
Atoms
43
Elements
4
Rings plus double bonds
11

The formula C18H20N4O describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.

Elemental composition

  • C Carbon × 1870.11%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 206.54%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 418.17%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 15.19%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C18H20N4O

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 201 to 224 of 224 compounds

N-[1-(1,3-Benzoxazol-2-yl)piperidin-4-yl]-N-methylpyridin-2-amine chemical structure, C18H20N4O, CAS 2742062-80-0
N-[1-(1,3-Benzoxazol-2-yl)piperidin-4-yl]-N-methylpyridin-2-amine
CAS 2742062-80-0C18H20N4O
4-(4-Benzoylpiperazin-1-yl)-2-cyclopropylpyrimidine chemical structure, C18H20N4O, CAS 2640944-30-3
4-(4-Benzoylpiperazin-1-yl)-2-cyclopropylpyrimidine
CAS 2640944-30-3C18H20N4O
6-(4-{[(3-Methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)pyridine-2-carbonitrile chemical structure, C18H20N4O, CAS 2415533-31-0
6-(4-{[(3-Methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)pyridine-2-carbonitrile
CAS 2415533-31-0C18H20N4O
3-({4-[(5-Methylpyrimidin-2-yl)oxy]piperidin-1-yl}methyl)benzonitrile chemical structure, C18H20N4O, CAS 2415584-43-7
3-({4-[(5-Methylpyrimidin-2-yl)oxy]piperidin-1-yl}methyl)benzonitrile
CAS 2415584-43-7C18H20N4O
1-[5-(6-Phenylpyridazin-3-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]ethan-1-one chemical structure, C18H20N4O, CAS 2415568-57-7
1-[5-(6-Phenylpyridazin-3-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]ethan-1-one
CAS 2415568-57-7C18H20N4O
3-(4-{[(3-Methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)pyridine-4-carbonitrile chemical structure, C18H20N4O, CAS 2415582-58-8
3-(4-{[(3-Methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)pyridine-4-carbonitrile
CAS 2415582-58-8C18H20N4O
3-({4-[(Pyrimidin-2-yloxy)methyl]piperidin-1-yl}methyl)benzonitrile chemical structure, C18H20N4O, CAS 2415600-70-1
3-({4-[(Pyrimidin-2-yloxy)methyl]piperidin-1-yl}methyl)benzonitrile
CAS 2415600-70-1C18H20N4O
2-{1-[(3-Methyl-1,2-oxazol-5-yl)methyl]piperidin-4-yl}-1,8-naphthyridine chemical structure, C18H20N4O, CAS 2741941-94-4
2-{1-[(3-Methyl-1,2-oxazol-5-yl)methyl]piperidin-4-yl}-1,8-naphthyridine
CAS 2741941-94-4C18H20N4O
4-{4-[(3,6-Dimethylpyrazin-2-yl)oxy]piperidin-1-yl}benzonitrile chemical structure, C18H20N4O, CAS 2742026-99-7
4-{4-[(3,6-Dimethylpyrazin-2-yl)oxy]piperidin-1-yl}benzonitrile
CAS 2742026-99-7C18H20N4O
N-[2-(4-Methoxyphenyl)ethyl]-N,2-dimethylpyrido[3,4-d]pyrimidin-4-amine chemical structure, C18H20N4O, CAS 2742025-81-4
N-[2-(4-Methoxyphenyl)ethyl]-N,2-dimethylpyrido[3,4-d]pyrimidin-4-amine
CAS 2742025-81-4C18H20N4O
2-{3-[(2-Ethyl-1H-imidazol-1-yl)methyl]azetidine-1-carbonyl}-1H-indole chemical structure, C18H20N4O, CAS 2742079-14-5
2-{3-[(2-Ethyl-1H-imidazol-1-yl)methyl]azetidine-1-carbonyl}-1H-indole
CAS 2742079-14-5C18H20N4O
2-[4-(2-Methoxyphenyl)piperazin-1-yl]-6-methylpyridine-3-carbonitrile chemical structure, C18H20N4O, CAS 2770629-12-2
2-[4-(2-Methoxyphenyl)piperazin-1-yl]-6-methylpyridine-3-carbonitrile
CAS 2770629-12-2C18H20N4O
3-(3-{[2-(Propan-2-yl)-1H-imidazol-1-yl]methyl}azetidine-1-carbonyl)benzonitrile chemical structure, C18H20N4O, CAS 2770623-67-9
3-(3-{[2-(Propan-2-yl)-1H-imidazol-1-yl]methyl}azetidine-1-carbonyl)benzonitrile
CAS 2770623-67-9C18H20N4O
3-({3-[(Pyrazin-2-yloxy)methyl]piperidin-1-yl}methyl)benzonitrile chemical structure, C18H20N4O, CAS 2770636-49-0
3-({3-[(Pyrazin-2-yloxy)methyl]piperidin-1-yl}methyl)benzonitrile
CAS 2770636-49-0C18H20N4O
4-({3-[(Pyrazin-2-yloxy)methyl]piperidin-1-yl}methyl)benzonitrile chemical structure, C18H20N4O, CAS 2770612-49-0
4-({3-[(Pyrazin-2-yloxy)methyl]piperidin-1-yl}methyl)benzonitrile
CAS 2770612-49-0C18H20N4O
4-[(6-Cyclobutyl-2-cyclopropylpyrimidin-4-yl)amino]benzamide chemical structure, C18H20N4O, CAS 2770635-19-1
4-[(6-Cyclobutyl-2-cyclopropylpyrimidin-4-yl)amino]benzamide
CAS 2770635-19-1C18H20N4O
2-[4-(4-Methoxyphenyl)piperazin-1-yl]-6-methylpyridine-3-carbonitrile chemical structure, C18H20N4O, CAS 2770622-30-3
2-[4-(4-Methoxyphenyl)piperazin-1-yl]-6-methylpyridine-3-carbonitrile
CAS 2770622-30-3C18H20N4O
N-[1-(3-Cyanoquinolin-2-yl)piperidin-4-yl]-N-methylacetamide chemical structure, C18H20N4O, CAS 3054559-92-8
N-[1-(3-Cyanoquinolin-2-yl)piperidin-4-yl]-N-methylacetamide
CAS 3054559-92-8C18H20N4O
2-[1-(Pyrazin-2-yl)pyrrolidine-3-carbonyl]-1,2,3,4-tetrahydroisoquinoline chemical structure, C18H20N4O, CAS 3054590-60-9
2-[1-(Pyrazin-2-yl)pyrrolidine-3-carbonyl]-1,2,3,4-tetrahydroisoquinoline
CAS 3054590-60-9C18H20N4O
6-Benzoyl-3-(2,6-dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane chemical structure, C18H20N4O, CAS 3054544-12-3
6-Benzoyl-3-(2,6-dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane
CAS 3054544-12-3C18H20N4O
6-(3-Methylbenzoyl)-3-(6-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane chemical structure, C18H20N4O, CAS 3054601-29-2
6-(3-Methylbenzoyl)-3-(6-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane
CAS 3054601-29-2C18H20N4O
6-(2-Methylbenzoyl)-3-(2-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane chemical structure, C18H20N4O, CAS 3054573-68-8
6-(2-Methylbenzoyl)-3-(2-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane
CAS 3054573-68-8C18H20N4O
6-(4-Methylbenzoyl)-3-(2-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane chemical structure, C18H20N4O, CAS 3054541-91-9
6-(4-Methylbenzoyl)-3-(2-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane
CAS 3054541-91-9C18H20N4O
(5-Methylspiro[indoline-3,4'-piperidin]-1-yl)(pyrazin-2-yl)methanone chemical structure, C18H20N4O, CAS 1422065-57-3
(5-Methylspiro[indoline-3,4'-piperidin]-1-yl)(pyrazin-2-yl)methanone
CAS 1422065-57-3C18H20N4O

Frequently asked questions

What is the molar mass of C18H20N4O?

The molar mass of C18H20N4O is 308.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 308.1637 Da.

How many compounds have the formula C18H20N4O?

CompoundList lists 224 compounds with the molecular formula C18H20N4O, including N-[1-(1,3-Benzoxazol-2-yl)piperidin-4-yl]-N-methylpyridin-2-amine, 4-(4-Benzoylpiperazin-1-yl)-2-cyclopropylpyrimidine, 6-(4-{[(3-Methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)pyridine-2-carbonitrile. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.

What is the degree of unsaturation of C18H20N4O?

C18H20N4O has a degree of unsaturation of 11. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.