CompoundList
Molecular formula

C18H17N3O

255 compounds have this formula on CompoundList.

Molar mass
291.35g/mol
Monoisotopic mass
291.1372Da
Atoms
39
Elements
4
Rings plus double bonds
12

The formula C18H17N3O describes a molecule made of 18 carbon atoms, 17 hydrogen atoms, 3 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 × 1874.20%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 175.88%
    1.008 × 17 = 17.136 g/mol
  • N Nitrogen × 314.42%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 15.49%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C18H17N3O

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

Showing 1 to 100 of 255 compounds

4-(4-Morpholinyl)-2-phenylquinazoline chemical structure, C18H17N3O, CAS 307544-21-4
4-(4-Morpholinyl)-2-phenylquinazoline
CAS 307544-21-4C18H17N3O
2-(3,4-Dihydro-1H-isoquinolin-2-ylmethyl)-1H-quinazolin-4-one chemical structure, C18H17N3O, CAS 573706-04-4
2-(3,4-Dihydro-1H-isoquinolin-2-ylmethyl)-1H-quinazolin-4-one
CAS 573706-04-4C18H17N3O
5,6-Dihydro-2-(3-ethoxyphenyl)-S-triazolo(5,1-a)isoquinoline chemical structure, C18H17N3O, CAS 55308-64-0
5,6-Dihydro-2-(3-ethoxyphenyl)-S-triazolo(5,1-a)isoquinoline
CAS 55308-64-0C18H17N3O
2-[4-(1-Pyrrolidinyl)-2-quinazolinyl]phenol chemical structure, C18H17N3O, CAS 330982-05-3
2-[4-(1-Pyrrolidinyl)-2-quinazolinyl]phenol
CAS 330982-05-3C18H17N3O
4-Benzylideneaminoantipyrine chemical structure, C18H17N3O, CAS 83-17-0
4-Benzylideneaminoantipyrine
CAS 83-17-0C18H17N3O
4-(1H-Benzimidazol-2-yl)-1-(3-methylphenyl)pyrrolidin-2-one chemical structure, C18H17N3O, CAS 573931-42-7
4-(1H-Benzimidazol-2-yl)-1-(3-methylphenyl)pyrrolidin-2-one
CAS 573931-42-7C18H17N3O
(4-Methoxyphenyl)(3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)acetonitrile chemical structure, C18H17N3O, CAS 353268-21-0
(4-Methoxyphenyl)(3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)acetonitrile
CAS 353268-21-0C18H17N3O
2-{(E)-2-[4-(Dimethylamino)phenyl]ethenyl}quinazolin-4(3H)-one chemical structure, C18H17N3O, CAS 743477-65-8
2-{(E)-2-[4-(Dimethylamino)phenyl]ethenyl}quinazolin-4(3H)-one
CAS 743477-65-8C18H17N3O
2-[4-(Benzylamino)-6-methylpyrimidin-2-yl]phenol chemical structure, C18H17N3O, CAS 330981-97-0
2-[4-(Benzylamino)-6-methylpyrimidin-2-yl]phenol
CAS 330981-97-0C18H17N3O
4-(1H-Benzimidazol-2-yl)-1-benzylpyrrolidin-2-one chemical structure, C18H17N3O, CAS 847396-32-1
4-(1H-Benzimidazol-2-yl)-1-benzylpyrrolidin-2-one
CAS 847396-32-1C18H17N3O
4-(4-Phenylphthalazin-1-yl)morpholine chemical structure, C18H17N3O, CAS 23100-00-7
4-(4-Phenylphthalazin-1-yl)morpholine
CAS 23100-00-7C18H17N3O
N-[2-(1H-Benzoimidazol-2-yl)-ethyl]-3-phenyl-acrylamide chemical structure, C18H17N3O, CAS 300829-03-2
N-[2-(1H-Benzoimidazol-2-yl)-ethyl]-3-phenyl-acrylamide
CAS 300829-03-2C18H17N3O
(3E,5E)-1-Methyl-3,5-bis(pyridin-2-ylmethylidene)piperidin-4-one chemical structure, C18H17N3O, CAS 1258513-40-4
(3E,5E)-1-Methyl-3,5-bis(pyridin-2-ylmethylidene)piperidin-4-one
CAS 1258513-40-4C18H17N3O
1-[(5-Phenyl-1,3,4-oxadiazol-2-yl)methyl]-1,2,3,4-tetrahydroquinoline chemical structure, C18H17N3O, CAS 838843-54-2
1-[(5-Phenyl-1,3,4-oxadiazol-2-yl)methyl]-1,2,3,4-tetrahydroquinoline
CAS 838843-54-2C18H17N3O
(E)-3-(1-Hydrazonoethyl)-6-methyl-4-phenylquinolin-2(1H)-one chemical structure, C18H17N3O, CAS 381208-49-7
(E)-3-(1-Hydrazonoethyl)-6-methyl-4-phenylquinolin-2(1H)-one
CAS 381208-49-7C18H17N3O
Pnu-292137 chemical structure, C18H17N3O, CAS 326823-27-2
Pnu-292137
CAS 326823-27-2C18H17N3O
3-(5,5-Dimethyl-5,6-dihydro[1,2,4]triazolo[3,4-a]isoquinolin-3-yl)phenol chemical structure, C18H17N3O, CAS 330998-71-5
3-(5,5-Dimethyl-5,6-dihydro[1,2,4]triazolo[3,4-a]isoquinolin-3-yl)phenol
CAS 330998-71-5C18H17N3O
Pyrimido(1,2-a)benzimidazole, 1,4-dihydro-4-(4-methoxyphenyl)-2-methyl- chemical structure, C18H17N3O, CAS 169132-73-4
Pyrimido(1,2-a)benzimidazole, 1,4-dihydro-4-(4-methoxyphenyl)-2-methyl-
CAS 169132-73-4C18H17N3O
(4,4,6,8-Tetramethyl-2-oxo-5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1(2H)-ylidene)malononitrile chemical structure, C18H17N3O, CAS 674363-06-5
(4,4,6,8-Tetramethyl-2-oxo-5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1(2H)-ylidene)malononitrile
CAS 674363-06-5C18H17N3O
N-Benzyl-4-methyl-6-phenoxypyrimidin-2-amine chemical structure, C18H17N3O, CAS 369397-97-7
N-Benzyl-4-methyl-6-phenoxypyrimidin-2-amine
CAS 369397-97-7C18H17N3O
4-(1H-Benzimidazol-2-yl)-1-(2-methylphenyl)-2-pyrrolidinone chemical structure, C18H17N3O, CAS 491874-24-9
4-(1H-Benzimidazol-2-yl)-1-(2-methylphenyl)-2-pyrrolidinone
CAS 491874-24-9C18H17N3O
4-Methyl-N-(1-prop-2-enylbenzimidazol-2-yl)benzamide chemical structure, C18H17N3O, CAS 333771-33-8
4-Methyl-N-(1-prop-2-enylbenzimidazol-2-yl)benzamide
CAS 333771-33-8C18H17N3O
4-(3-Phenylquinoxalin-2-yl)morpholine chemical structure, C18H17N3O, CAS 146874-55-7
4-(3-Phenylquinoxalin-2-yl)morpholine
CAS 146874-55-7C18H17N3O
3,5-Dimethyl-N,N-diphenyl-1H-pyrazole-1-carboxamide chemical structure, C18H17N3O, CAS 93873-05-3
3,5-Dimethyl-N,N-diphenyl-1H-pyrazole-1-carboxamide
CAS 93873-05-3C18H17N3O

Frequently asked questions

What is the molar mass of C18H17N3O?

The molar mass of C18H17N3O is 291.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 291.1372 Da.

How many compounds have the formula C18H17N3O?

CompoundList lists 255 compounds with the molecular formula C18H17N3O, including 4-(4-Morpholinyl)-2-phenylquinazoline, 2-(3,4-Dihydro-1H-isoquinolin-2-ylmethyl)-1H-quinazolin-4-one, 5,6-Dihydro-2-(3-ethoxyphenyl)-S-triazolo(5,1-a)isoquinoline. 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 C18H17N3O?

C18H17N3O has a degree of unsaturation of 12. 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.