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Molecular formula

C18H15N5O

131 compounds have this formula on CompoundList.

Molar mass
317.35g/mol
Monoisotopic mass
317.1277Da
Atoms
39
Elements
4
Rings plus double bonds
14

The formula C18H15N5O describes a molecule made of 18 carbon atoms, 15 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 × 1868.13%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 154.76%
    1.008 × 15 = 15.120 g/mol
  • N Nitrogen × 522.07%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 15.04%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C18H15N5O

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

Showing 101 to 131 of 131 compounds

2-(3-Methoxyanilino)-4-(imidazo[1,2-a]pyrid-3-yl)pyrimidine chemical structure, C18H15N5O, CAS 328061-50-3
2-(3-Methoxyanilino)-4-(imidazo[1,2-a]pyrid-3-yl)pyrimidine
CAS 328061-50-3C18H15N5O
3-(1H-Benzimidazol-2-yl)-5-(3-methylphenoxy)pyrazin-2-amine chemical structure, C18H15N5O, CAS 1349686-53-8
3-(1H-Benzimidazol-2-yl)-5-(3-methylphenoxy)pyrazin-2-amine
CAS 1349686-53-8C18H15N5O
3-(6-Methyl-1H-benzimidazol-2-yl)-5-phenoxy-pyrazin-2-amine chemical structure, C18H15N5O, CAS 1349686-86-7
3-(6-Methyl-1H-benzimidazol-2-yl)-5-phenoxy-pyrazin-2-amine
CAS 1349686-86-7C18H15N5O
2-(4-Methoxyanilino)-4-(imidazo[1,2-a]pyrid-3-yl)pyrimidine chemical structure, C18H15N5O, CAS 328061-55-8
2-(4-Methoxyanilino)-4-(imidazo[1,2-a]pyrid-3-yl)pyrimidine
CAS 328061-55-8C18H15N5O
4-Benzyloxy-6-(1H-pyrazol-4-yl)-quinazolin-2-ylamine chemical structure, C18H15N5O, CAS 1003571-42-3
4-Benzyloxy-6-(1H-pyrazol-4-yl)-quinazolin-2-ylamine
CAS 1003571-42-3C18H15N5O
4-Benzyloxy-6-(2H-pyrazol-3-yl)-quinazolin-2-ylamine chemical structure, C18H15N5O, CAS 1003571-40-1
4-Benzyloxy-6-(2H-pyrazol-3-yl)-quinazolin-2-ylamine
CAS 1003571-40-1C18H15N5O
4-Ethoxy-6-(quinolin-3-yl)pyrido[3,2-d]pyrimidin-2-amine chemical structure, C18H15N5O, CAS 917759-80-9
4-Ethoxy-6-(quinolin-3-yl)pyrido[3,2-d]pyrimidin-2-amine
CAS 917759-80-9C18H15N5O
n-Phenyl-n'-[2-(1H-pyrazol-4-yl)-1H-indol-5-yl]urea chemical structure, C18H15N5O, CAS 827318-44-5
n-Phenyl-n'-[2-(1H-pyrazol-4-yl)-1H-indol-5-yl]urea
CAS 827318-44-5C18H15N5O
N-(6-Benzyl-2,6-dihydroimidazo[4,5-c]pyrazol-3-yl)benzamide chemical structure, C18H15N5O, CAS 821004-33-5
N-(6-Benzyl-2,6-dihydroimidazo[4,5-c]pyrazol-3-yl)benzamide
CAS 821004-33-5C18H15N5O
5-Methyl-6-(4-phenoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidin-7-amine chemical structure, C18H15N5O, CAS 922187-01-7
5-Methyl-6-(4-phenoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidin-7-amine
CAS 922187-01-7C18H15N5O
1-[6-[1-(1-Methyl-1H-pyrazol-3-yl)-1H-indazol-6-yl]-2-pyridinyl]ethanone chemical structure, C18H15N5O, CAS 1864773-06-7
1-[6-[1-(1-Methyl-1H-pyrazol-3-yl)-1H-indazol-6-yl]-2-pyridinyl]ethanone
CAS 1864773-06-7C18H15N5O
2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-N-[(pyridin-4-yl)methyl]-2H-indole-4-carboxamide chemical structure, C18H15N5O, CAS 827318-09-2
2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-N-[(pyridin-4-yl)methyl]-2H-indole-4-carboxamide
CAS 827318-09-2C18H15N5O
7-Benzyl-2-(phenylamino)-1,7-dihydro-6H-purin-6-one chemical structure, C18H15N5O, CAS 179816-06-9
7-Benzyl-2-(phenylamino)-1,7-dihydro-6H-purin-6-one
CAS 179816-06-9C18H15N5O
2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-N-[(pyridin-2-yl)methyl]-2H-indole-4-carboxamide chemical structure, C18H15N5O, CAS 827317-78-2
2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-N-[(pyridin-2-yl)methyl]-2H-indole-4-carboxamide
CAS 827317-78-2C18H15N5O
2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-N-[(pyridin-2-yl)methyl]-2H-indole-6-carboxamide chemical structure, C18H15N5O, CAS 827317-80-6
2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-N-[(pyridin-2-yl)methyl]-2H-indole-6-carboxamide
CAS 827317-80-6C18H15N5O
2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-N-[(pyridin-2-yl)methyl]-2H-indole-5-carboxamide chemical structure, C18H15N5O, CAS 827317-79-3
2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-N-[(pyridin-2-yl)methyl]-2H-indole-5-carboxamide
CAS 827317-79-3C18H15N5O
2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-N-[(pyridin-4-yl)methyl]-2H-indole-6-carboxamide chemical structure, C18H15N5O, CAS 827317-05-5
2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-N-[(pyridin-4-yl)methyl]-2H-indole-6-carboxamide
CAS 827317-05-5C18H15N5O
2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-N-[(pyridin-4-yl)methyl]-2H-indole-5-carboxamide chemical structure, C18H15N5O, CAS 827317-04-4
2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-N-[(pyridin-4-yl)methyl]-2H-indole-5-carboxamide
CAS 827317-04-4C18H15N5O
3-Methoxy-7-[6-methyl-3-(1H-pyrazol-4-yl)-2-pyridinyl]cinnoline chemical structure, C18H15N5O, CAS 2259877-74-0
3-Methoxy-7-[6-methyl-3-(1H-pyrazol-4-yl)-2-pyridinyl]cinnoline
CAS 2259877-74-0C18H15N5O
5-(4,8-Dimethyl-6-quinazolinyl)-4-(2-furanyl)-2-pyrimidinamine chemical structure, C18H15N5O, CAS 2408118-55-6
5-(4,8-Dimethyl-6-quinazolinyl)-4-(2-furanyl)-2-pyrimidinamine
CAS 2408118-55-6C18H15N5O
4-{[1-(4-Methylphthalazin-1-yl)azetidin-3-yl]oxy}pyridine-2-carbonitrile chemical structure, C18H15N5O, CAS 2877639-84-2
4-{[1-(4-Methylphthalazin-1-yl)azetidin-3-yl]oxy}pyridine-2-carbonitrile
CAS 2877639-84-2C18H15N5O
4-{[1-(3-Methylquinoxalin-2-yl)azetidin-3-yl]oxy}pyridine-2-carbonitrile chemical structure, C18H15N5O, CAS 2877685-72-6
4-{[1-(3-Methylquinoxalin-2-yl)azetidin-3-yl]oxy}pyridine-2-carbonitrile
CAS 2877685-72-6C18H15N5O
3-Benzyl-7-methoxy-6-phenylimidazo[1,2-b][1,2,4,5]tetrazine chemical structure, C18H15N5O, CAS 7241-33-0
3-Benzyl-7-methoxy-6-phenylimidazo[1,2-b][1,2,4,5]tetrazine
CAS 7241-33-0C18H15N5O
1-(1-Methylpyrazol-4-yl)-3-(quinolin-6-ylmethyl)pyridazin-4-one chemical structure, C18H15N5O, CAS 1314381-12-8
1-(1-Methylpyrazol-4-yl)-3-(quinolin-6-ylmethyl)pyridazin-4-one
CAS 1314381-12-8C18H15N5O

Frequently asked questions

What is the molar mass of C18H15N5O?

The molar mass of C18H15N5O is 317.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 317.1277 Da.

How many compounds have the formula C18H15N5O?

CompoundList lists 131 compounds with the molecular formula C18H15N5O, including 2-(3-Methoxyanilino)-4-(imidazo[1,2-a]pyrid-3-yl)pyrimidine, 3-(1H-Benzimidazol-2-yl)-5-(3-methylphenoxy)pyrazin-2-amine, 3-(6-Methyl-1H-benzimidazol-2-yl)-5-phenoxy-pyrazin-2-amine. 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 C18H15N5O?

C18H15N5O has a degree of unsaturation of 14. 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.