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Molecular formula

C18H17N5O

123 compounds have this formula on CompoundList.

Molar mass
319.37g/mol
Monoisotopic mass
319.1433Da
Atoms
41
Elements
4
Rings plus double bonds
13

The formula C18H17N5O describes a molecule made of 18 carbon atoms, 17 hydrogen atoms, 5 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 × 1867.70%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 175.37%
    1.008 × 17 = 17.136 g/mol
  • N Nitrogen × 521.93%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 15.01%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C18H17N5O

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

Showing 101 to 123 of 123 compounds

N-Methyl-N-[1-(pyridin-2-yl)azetidin-3-yl]quinoxaline-6-carboxamide chemical structure, C18H17N5O, CAS 2415490-41-2
N-Methyl-N-[1-(pyridin-2-yl)azetidin-3-yl]quinoxaline-6-carboxamide
CAS 2415490-41-2C18H17N5O
6-[5-(Pyridine-2-carbonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]pyridine-3-carbonitrile chemical structure, C18H17N5O, CAS 2415511-69-0
6-[5-(Pyridine-2-carbonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]pyridine-3-carbonitrile
CAS 2415511-69-0C18H17N5O
5-(4-(2-Oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)nicotinonitrile chemical structure, C18H17N5O, CAS 2870965-82-3
5-(4-(2-Oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)nicotinonitrile
CAS 2870965-82-3C18H17N5O
1H-Pyrazole-3-carboxamide, 1,5-dimethyl-N-[4-[(1E)-2-phenyldiazenyl]phenyl]- chemical structure, C18H17N5O, CAS 1013808-12-2
1H-Pyrazole-3-carboxamide, 1,5-dimethyl-N-[4-[(1E)-2-phenyldiazenyl]phenyl]-
CAS 1013808-12-2C18H17N5O
2-(4-(2-Oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)nicotinonitrile chemical structure, C18H17N5O, CAS 2182014-29-3
2-(4-(2-Oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)nicotinonitrile
CAS 2182014-29-3C18H17N5O
2-[2-(2-Methyl-benzoimidazol-1-ylmethyl)-benzoimidazol-1-yl]-acetamide chemical structure, C18H17N5O, CAS 1000774-42-4
2-[2-(2-Methyl-benzoimidazol-1-ylmethyl)-benzoimidazol-1-yl]-acetamide
CAS 1000774-42-4C18H17N5O
6-(4-(2-Oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)nicotinonitrile chemical structure, C18H17N5O, CAS 1371023-24-3
6-(4-(2-Oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)nicotinonitrile
CAS 1371023-24-3C18H17N5O
N-(4-Anilino-6-phenyl-1,3,5-triazin-2-yl)propanamide chemical structure, C18H17N5O, CAS 1446504-24-0
N-(4-Anilino-6-phenyl-1,3,5-triazin-2-yl)propanamide
CAS 1446504-24-0C18H17N5O
1-(2-Amino-ethyl)-5-naphthalen-1-ylmethyl-1,5-dihydro-pyrazolo[3,4-d]pyrimidin-4-one chemical structure, C18H17N5O, CAS 1416344-51-8
1-(2-Amino-ethyl)-5-naphthalen-1-ylmethyl-1,5-dihydro-pyrazolo[3,4-d]pyrimidin-4-one
CAS 1416344-51-8C18H17N5O
2-((1H-Pyrrolo[2,3-b]pyridin-5-yl)oxy)-4-(piperazin-1-yl)benzonitrile chemical structure, C18H17N5O, CAS 2169285-75-8
2-((1H-Pyrrolo[2,3-b]pyridin-5-yl)oxy)-4-(piperazin-1-yl)benzonitrile
CAS 2169285-75-8C18H17N5O
(6S,7R)-2-Amino-6,7-diphenyl-5,6,7,8-tetrahydropteridin-4(1H)-one chemical structure, C18H17N5O, CAS 61539-51-3
(6S,7R)-2-Amino-6,7-diphenyl-5,6,7,8-tetrahydropteridin-4(1H)-one
CAS 61539-51-3C18H17N5O
N-[(1R,2R)-1-Amino-2,3-dihydro-1H-inden-2-yl]-1-phenyl-1H-1,2,3-triazole-4-carboxamide chemical structure, C18H17N5O, CAS 2418595-56-7
N-[(1R,2R)-1-Amino-2,3-dihydro-1H-inden-2-yl]-1-phenyl-1H-1,2,3-triazole-4-carboxamide
CAS 2418595-56-7C18H17N5O
2-[1-(Pyrimidine-2-carbonyl)piperidin-4-yl]-1,8-naphthyridine chemical structure, C18H17N5O, CAS 2640958-41-2
2-[1-(Pyrimidine-2-carbonyl)piperidin-4-yl]-1,8-naphthyridine
CAS 2640958-41-2C18H17N5O
2-[1-(Pyrimidine-5-carbonyl)piperidin-4-yl]-1,8-naphthyridine chemical structure, C18H17N5O, CAS 2640877-72-9
2-[1-(Pyrimidine-5-carbonyl)piperidin-4-yl]-1,8-naphthyridine
CAS 2640877-72-9C18H17N5O
2-[1-(Pyrazine-2-carbonyl)piperidin-4-yl]-1,8-naphthyridine chemical structure, C18H17N5O, CAS 2640969-69-1
2-[1-(Pyrazine-2-carbonyl)piperidin-4-yl]-1,8-naphthyridine
CAS 2640969-69-1C18H17N5O
3-(1H-Pyrazol-1-yl)-N-[1-(pyridin-2-yl)azetidin-3-yl]benzamide chemical structure, C18H17N5O, CAS 2415602-74-1
3-(1H-Pyrazol-1-yl)-N-[1-(pyridin-2-yl)azetidin-3-yl]benzamide
CAS 2415602-74-1C18H17N5O
6-(3-{[(4-Cyanopyridin-2-yl)oxy]methyl}piperidin-1-yl)pyridine-3-carbonitrile chemical structure, C18H17N5O, CAS 2415465-83-5
6-(3-{[(4-Cyanopyridin-2-yl)oxy]methyl}piperidin-1-yl)pyridine-3-carbonitrile
CAS 2415465-83-5C18H17N5O
4-(4-{Pyrazolo[1,5-a]pyrimidin-5-yloxy}piperidin-1-yl)benzonitrile chemical structure, C18H17N5O, CAS 2770640-09-8
4-(4-{Pyrazolo[1,5-a]pyrimidin-5-yloxy}piperidin-1-yl)benzonitrile
CAS 2770640-09-8C18H17N5O
2-(1-{Pyrazolo[1,5-a]pyrimidin-5-yl}piperidin-3-yl)-1,3-benzoxazole chemical structure, C18H17N5O, CAS 3030822-36-4
2-(1-{Pyrazolo[1,5-a]pyrimidin-5-yl}piperidin-3-yl)-1,3-benzoxazole
CAS 3030822-36-4C18H17N5O
4-[3-(6-Methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane-6-carbonyl]benzonitrile chemical structure, C18H17N5O, CAS 3054542-30-9
4-[3-(6-Methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane-6-carbonyl]benzonitrile
CAS 3054542-30-9C18H17N5O
1-Methyl-6-{[1-(4-methylphenyl)-1H-1,2,3-triazol-4-yl]methyl}-1H,6H,7H-pyrrolo[2,3-c]pyridin-7-one chemical structure, C18H17N5O, CAS 3054598-53-4
1-Methyl-6-{[1-(4-methylphenyl)-1H-1,2,3-triazol-4-yl]methyl}-1H,6H,7H-pyrrolo[2,3-c]pyridin-7-one
CAS 3054598-53-4C18H17N5O
3-(1-Benzylbenzotriazol-5-yl)-4-methyl-4,5-dihydro-1H-pyridazin-6-one chemical structure, C18H17N5O, CAS 85634-04-4
3-(1-Benzylbenzotriazol-5-yl)-4-methyl-4,5-dihydro-1H-pyridazin-6-one
CAS 85634-04-4C18H17N5O
3-Isopropyl-8-(phenylamino)-1,3-dihydro-2H-imidazo[4,5-g]quinazolin-2-one chemical structure, C18H17N5O, CAS 954139-76-5
3-Isopropyl-8-(phenylamino)-1,3-dihydro-2H-imidazo[4,5-g]quinazolin-2-one
CAS 954139-76-5C18H17N5O

Frequently asked questions

What is the molar mass of C18H17N5O?

The molar mass of C18H17N5O is 319.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 17 hydrogen atoms, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 319.1433 Da.

How many compounds have the formula C18H17N5O?

CompoundList lists 123 compounds with the molecular formula C18H17N5O, including N-Methyl-N-[1-(pyridin-2-yl)azetidin-3-yl]quinoxaline-6-carboxamide, 6-[5-(Pyridine-2-carbonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]pyridine-3-carbonitrile, 5-(4-(2-Oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)nicotinonitrile. 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 C18H17N5O?

C18H17N5O has a degree of unsaturation of 13. 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.