Molecular formula
C19H18N4O
181 compounds have this formula on CompoundList.
- Molar mass
- 318.38g/mol
- Monoisotopic mass
- 318.1481Da
- Atoms
- 42
- Elements
- 4
- Rings plus double bonds
- 13
The formula C19H18N4O describes a molecule made of 19 carbon atoms, 18 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 × 1971.68%12.011 × 19 = 228.209 g/mol
- H Hydrogen × 185.70%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 417.60%14.007 × 4 = 56.028 g/mol
- O Oxygen × 15.03%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C19H18N4O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 181 of 181 compounds
(3-(4-Phenyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl)(o-tolyl)methanone
CAS 2034523-23-2C19H18N4O
N-(2-(2-(Pyridin-2-yl)-1H-imidazol-1-yl)ethyl)cinnamamide
CAS 2035018-12-1C19H18N4O
![11-(Quinoline-2-carbonyl)-7,8,11-triazatricyclo[6.4.0.0^{2,6}]dodeca-1,6-diene chemical structure, C19H18N4O, CAS 2034553-56-3](/s/LJOQTUXCVGSIHH-UHFFFAOYSA-N.svg)
11-(Quinoline-2-carbonyl)-7,8,11-triazatricyclo[6.4.0.0^{2,6}]dodeca-1,6-diene
CAS 2034553-56-3C19H18N4O
![(2-Cyclopropyl-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)(quinolin-2-yl)methanone chemical structure, C19H18N4O, CAS 2034333-44-1](/s/QLHOTQMAXSHJJI-UHFFFAOYSA-N.svg)
(2-Cyclopropyl-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)(quinolin-2-yl)methanone
CAS 2034333-44-1C19H18N4O
N-((5-(1-Methyl-1H-pyrazol-4-yl)pyridin-3-yl)methyl)cinnamamide
CAS 2034997-91-4C19H18N4O
(4-(1-Methyl-1H-pyrazol-4-yl)-3,4-dihydroisoquinolin-2(1H)-yl)(pyridin-2-yl)methanone
CAS 2034366-56-6C19H18N4O
![N-(2-{5H,6H,7H,8H-imidazo[1,2-a]pyridin-2-yl}phenyl)pyridine-2-carboxamide chemical structure, C19H18N4O, CAS 2034462-95-6](/s/IBSWXWPXAQYSOA-UHFFFAOYSA-N.svg)
N-(2-{5H,6H,7H,8H-imidazo[1,2-a]pyridin-2-yl}phenyl)pyridine-2-carboxamide
CAS 2034462-95-6C19H18N4O
![3-({[2,4'-Bipyridine]-4-yl}methyl)-1-(3-methylphenyl)urea chemical structure, C19H18N4O, CAS 2309553-69-1](/s/IJBDSINAABCMDW-UHFFFAOYSA-N.svg)
3-({[2,4'-Bipyridine]-4-yl}methyl)-1-(3-methylphenyl)urea
CAS 2309553-69-1C19H18N4O
N-((2-(1-Methyl-1H-pyrazol-4-yl)pyridin-4-yl)methyl)cinnamamide
CAS 2035007-60-2C19H18N4O
![N-[(5-Cyclopropylpyridin-3-yl)methyl]-3-(1H-pyrazol-1-yl)benzamide chemical structure, C19H18N4O, CAS 2034312-84-8](/s/RFXWOWGKWGOOKQ-UHFFFAOYSA-N.svg)
N-[(5-Cyclopropylpyridin-3-yl)methyl]-3-(1H-pyrazol-1-yl)benzamide
CAS 2034312-84-8C19H18N4O
![4-(6,6a,7,8,9,11-Hexahydropyrrolo[2,1-c][1,4]benzodiazepine-5-carbonyl)pyridine-2-carbonitrile chemical structure, C19H18N4O, CAS 1953196-02-5](/s/OGRMZSAGGVVUBQ-UHFFFAOYSA-N.svg)
4-(6,6a,7,8,9,11-Hexahydropyrrolo[2,1-c][1,4]benzodiazepine-5-carbonyl)pyridine-2-carbonitrile
CAS 1953196-02-5C19H18N4O
![2-(1-{4'-Methyl-[1,1'-biphenyl]-4-carbonyl}azetidin-3-yl)-2H-1,2,3-triazole chemical structure, C19H18N4O, CAS 2191265-86-6](/s/HXQJZIIUDXYYAT-UHFFFAOYSA-N.svg)
2-(1-{4'-Methyl-[1,1'-biphenyl]-4-carbonyl}azetidin-3-yl)-2H-1,2,3-triazole
CAS 2191265-86-6C19H18N4O
1-(3-(2H-1,2,3-Triazol-2-yl)azetidin-1-yl)-2,2-diphenylethan-1-one
CAS 2194903-51-8C19H18N4O
N-((6-Cyclopropylpyridin-3-yl)methyl)-3-(1H-pyrazol-1-yl)benzamide
CAS 2319648-02-5C19H18N4O
![7-Benzyl-2-(pyridin-3-yl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4(3H)-one chemical structure, C19H18N4O, CAS 958365-75-8](/s/AXGUMEUWJRELEK-UHFFFAOYSA-N.svg)
7-Benzyl-2-(pyridin-3-yl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4(3H)-one
CAS 958365-75-8C19H18N4O
![6-Phenyl-2-[4-(prop-2-enoyl)piperazin-1-yl]pyridine-3-carbonitrile chemical structure, C19H18N4O, CAS 2396580-45-1](/s/ZNIFOZOEUURCOT-UHFFFAOYSA-N.svg)
6-Phenyl-2-[4-(prop-2-enoyl)piperazin-1-yl]pyridine-3-carbonitrile
CAS 2396580-45-1C19H18N4O
![7-Isopropyl-2-methyl-3-phenylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one chemical structure, C19H18N4O, CAS 1210658-61-9](/s/HCDWEWOWCZKGAK-UHFFFAOYSA-N.svg)
7-Isopropyl-2-methyl-3-phenylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one
CAS 1210658-61-9C19H18N4O
2,4-Dimethyl-N-(phenyl(pyridin-3-yl)methyl)pyrimidine-5-carboxamide
CAS 1380749-50-7C19H18N4O
3-Cyclopropyl-N-(3-methylpyridin-2-yl)-1-phenyl-1H-pyrazole-5-carboxamide
CAS 1282127-84-7C19H18N4O
![6-(3-Aminopropyl)-9-(1H-imidazol-1-yl)benzo[h]isoquinolin-1(2H)-one chemical structure, C19H18N4O, CAS 919292-78-7](/s/PYPMXUUIFZSTDH-UHFFFAOYSA-N.svg)
6-(3-Aminopropyl)-9-(1H-imidazol-1-yl)benzo[h]isoquinolin-1(2H)-one
CAS 919292-78-7C19H18N4O
N-((1-Methyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl)methyl)cinnamamide
CAS 1421587-17-8C19H18N4O
![1-(4-{[(1-Phenyl-1H-pyrazol-4-yl)methyl]amino}phenyl)azetidin-2-one chemical structure, C19H18N4O, CAS 2094193-83-4](/s/MFTOFXOIDNGGEL-UHFFFAOYSA-N.svg)
1-(4-{[(1-Phenyl-1H-pyrazol-4-yl)methyl]amino}phenyl)azetidin-2-one
CAS 2094193-83-4C19H18N4O
![1-Benzyl-3-[(6-phenylpyrimidin-4-yl)methyl]urea chemical structure, C19H18N4O, CAS 2177366-25-3](/s/ZVEWQGLWEXWARL-UHFFFAOYSA-N.svg)
1-Benzyl-3-[(6-phenylpyrimidin-4-yl)methyl]urea
CAS 2177366-25-3C19H18N4O
![(4-Aminophenyl)(2-methyl-4,5-dihydrobenzo[b]imidazo[4,5-d]azepin-6(3aH)-yl)methanone chemical structure, C19H18N4O, CAS 195531-22-7](/s/DBVGQZDHSOALDW-UHFFFAOYSA-N.svg)
(4-Aminophenyl)(2-methyl-4,5-dihydrobenzo[b]imidazo[4,5-d]azepin-6(3aH)-yl)methanone
CAS 195531-22-7C19H18N4O
- 3-{[2,4'-Bipyridine]-5-yl}-1-(2-phenylethyl)urea2097927-26-7C19H18N4O
- (2E)-3-Phenyl-N-{2-[4-(pyridin-3-yl)-1H-pyrazol-1-yl]ethyl}prop-2-enamide2097940-98-0C19H18N4O
- 2-(Naphthalen-1-yl)-1-{3-[(pyridazin-3-yl)amino]azetidin-1-yl}ethan-1-one2097900-99-5C19H18N4O
- 2-(Naphthalen-1-yl)-1-{3-[(pyrimidin-4-yl)amino]azetidin-1-yl}ethan-1-one2097862-92-3C19H18N4O
- 8-[[1-[(1-Methylpyrazol-4-yl)methyl]aziridin-2-yl]methoxy]naphthalene-2-carbonitrile2411220-05-6C19H18N4O
- 4-[[1-[(1-Methylpyrazol-4-yl)methyl]aziridin-2-yl]methoxy]naphthalene-1-carbonitrile2418704-64-8C19H18N4O
- 1-[[1-[(1-Methylpyrazol-4-yl)methyl]aziridin-2-yl]methoxy]naphthalene-2-carbonitrile2418717-54-9C19H18N4O
- 2-Butyl-3-(1H-indazol-5-yl)quinazolin-4(3H)-one1043960-88-8C19H18N4O
- Cyclopentanecarboxamide, 1-cyano-N-[4-(2-phenyldiazenyl)phenyl]-1390770-65-6C19H18N4O
- N-Benzyl-6-(benzylamino)-4-pyrimidinecarboxamide1353500-37-4C19H18N4O
- 4-(6-(Cyclohexyloxy)imidazo[1,2-b]pyridazin-3-yl)benzonitrile1012345-52-6C19H18N4O
- 1-Cyclopropyl-3-(8-methyl-5-pyridin-4-ylisoquinolin-3-yl)urea1338256-12-4C19H18N4O
- N-((1-Methyl-5-(pyridin-2-yl)-1H-pyrazol-3-yl)methyl)cinnamamide1421586-90-4C19H18N4O
- N'-(4-Formyl-1,3-diphenyl-1H-pyrazol-5-yl)-N,N-dimethylmethanimidamide77746-56-6C19H18N4O
- 3-(4-Ethynylphenyl)-N-(tetrahydro-2H-pyran-4-yl)imidazo[1,2-b]pyridazin-6-amine1012345-18-4C19H18N4O
- N-[6-(2,3-Dimethylanilino)pyridin-3-yl]pyridine-3-carboxamide1984740-00-2C19H18N4O
- 7-Benzyl-2-(pyridin-4-yl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4(3H)-one958365-78-1C19H18N4O
- 6-Benzyl-2-pyridin-3-yl-5,6,7,8-tetrahydro-pyrido[4,3-d]pyrimidin-4-ol218955-19-2C19H18N4O
- 2-Cyclopropyl-1-[1-(pyridine-2-carbonyl)azetidin-3-yl]-1H-1,3-benzodiazole2379986-37-3C19H18N4O
- 2-Cyclopropyl-1-[1-(pyridine-4-carbonyl)azetidin-3-yl]-1H-1,3-benzodiazole2380010-37-5C19H18N4O
- (E)-N-[(2-Methyl-5-pyridin-4-ylpyrazol-3-yl)methyl]-3-phenylprop-2-enamide2321332-03-8C19H18N4O
- (E)-N-[(2-Methyl-5-pyridin-2-ylpyrazol-3-yl)methyl]-3-phenylprop-2-enamide2321334-13-6C19H18N4O
- 6-Benzyl-2-propyl-[1,2,4]triazolo[1,5-c]quinazolin-5-one2380192-94-7C19H18N4O
- 5,6-Dimethyl-N-[4-(phenylamino)phenyl]pyrimidine-4-carboxamide2415453-27-7C19H18N4O
- 1-Benzyl-4-(quinazolin-4-yl)piperazin-2-one2415568-89-5C19H18N4O
- 1-Benzyl-4-(quinoxalin-2-yl)piperazin-2-one2415565-91-0C19H18N4O
- 1H-Pyrrole-1-acetamide, N-(aminoiminomethyl)-2,5-diphenyl-905966-60-1C19H18N4O
- N-(3-Methylphenyl)-2-[(1-phenyl-1H-pyrrol-2-yl)methylene]hydrazinecarboxamide886766-38-7C19H18N4O
- 2-Cyano-3-(5-cyano-1,2-dimethyl-1H-pyrrol-3-yl)-N-(4-ethylphenyl)prop-2-enamide744228-62-4C19H18N4O
- 4-{[4-(1,3-Benzoxazol-2-yl)piperazin-1-yl]methyl}benzonitrile2415553-34-1C19H18N4O
- Imidazo[1,5-a]pyrazine-1-carboxamide,5,6,7,8-tetrahydro-n,3-diphenyl-1094085-75-2C19H18N4O
- 6-(3,3-Dimethylbut-1-ynyl)-N-(1H-indazol-5-yl)pyridine-3-carboxamide852210-24-3C19H18N4O
- 4-Amino-N-[4-(4-aminoanilino)phenyl]benzamide89784-56-5C19H18N4O
- (R)-4-((2-(3-Hydroxypyrrolidin-1-yl)-1H-benzo[d]imidazol-1-yl)methyl)benzonitrile1421012-86-3C19H18N4O
- (R)-2-((2-(3-Hydroxypyrrolidin-1-yl)-1H-benzo[d]imidazol-1-yl)methyl)benzonitrile1421047-30-4C19H18N4O
- (S)-4-((2-(3-Hydroxypyrrolidin-1-yl)-1H-benzo[d]imidazol-1-yl)methyl)benzonitrile1421021-02-4C19H18N4O
- (S)-2-((2-(3-Hydroxypyrrolidin-1-yl)-1H-benzo[d]imidazol-1-yl)methyl)benzonitrile1421024-98-7C19H18N4O
- 4-((2-(3-Hydroxypyrrolidin-1-yl)-1H-benzo[d]imidazol-1-yl)methyl)benzonitrile1420868-54-7C19H18N4O
- 2-((2-(3-Hydroxypyrrolidin-1-yl)-1H-benzo[d]imidazol-1-yl)methyl)benzonitrile1420889-53-7C19H18N4O
- 3-[6-(Cyclobutylmethoxy)-1H-indol-2-yl]-1H-pyrazolo[4,3-b]pyridine1294514-50-3C19H18N4O
- 6-{(E)-2-[4-(4,5,6,7-Tetrahydro-1H-1,3-benzimidazol-1-yl)phenyl]ethen-1-yl}pyridazin-3-ol98326-48-8C19H18N4O
- 11-(Quinoxalin-2-yl)-7,11-diazatricyclo[7.3.1.0^{2,7}]trideca-2,4-dien-6-one2327528-42-5C19H18N4O
- 2-[1-(Pyridine-2-carbonyl)piperidin-4-yl]-1,8-naphthyridine2640903-24-6C19H18N4O
- 2-[1-(Pyridine-4-carbonyl)piperidin-4-yl]-1,8-naphthyridine2640934-51-4C19H18N4O
- 2-[1-(Pyridine-3-carbonyl)piperidin-4-yl]-1,8-naphthyridine2640955-83-3C19H18N4O
- 2-(Naphthalen-1-yl)-N-[1-(pyrazin-2-yl)azetidin-3-yl]acetamide2415501-32-3C19H18N4O
- 3-{[4-(1,3-Benzoxazol-2-yl)piperazin-1-yl]methyl}benzonitrile2415504-13-9C19H18N4O
- 1-Benzyl-3-(4-phenyl-1H-1,2,3-triazol-1-yl)pyrrolidin-2-one2742045-91-4C19H18N4O
- N-(3-Methylphenyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine-7-carboxamide2741911-15-7C19H18N4O
- N-(4-Methylphenyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine-7-carboxamide2742046-75-7C19H18N4O
- N-Benzyl-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine-7-carboxamide2741931-37-1C19H18N4O
- N-Cyclopropyl-1-(diphenylmethyl)-1H-1,2,3-triazole-4-carboxamide2742017-90-7C19H18N4O
- N-(2-Methylphenyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine-7-carboxamide2770597-96-9C19H18N4O
- 1-(1H-1,2,3-Benzotriazol-1-yl)-1-(1H-indol-1-yl)pentan-2-one124337-43-5C19H18N4O
- N-(2-Aminophenyl)-2-(6-anilino-3-pyridinyl)acetamide1446432-27-4C19H18N4O
- 2-(2,5-Diphenylpyrrol-1-yl)-N-[(E)-hydrazinylidenemethyl]acetamideC19H18N4O
- 5-(1-Cyano-2-azabicyclo[2.1.1]hexan-2-yl)-2-(3-phenylpropyl)oxazole-4-carbonitrile3028146-15-5C19H18N4O
Frequently asked questions
What is the molar mass of C19H18N4O?
The molar mass of C19H18N4O is 318.38 g/mol, calculated from standard atomic weights for 19 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 318.1481 Da.
How many compounds have the formula C19H18N4O?
CompoundList lists 181 compounds with the molecular formula C19H18N4O, including (3-(4-Phenyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl)(o-tolyl)methanone, N-(2-(2-(Pyridin-2-yl)-1H-imidazol-1-yl)ethyl)cinnamamide, 11-(Quinoline-2-carbonyl)-7,8,11-triazatricyclo[6.4.0.0^{2,6}]dodeca-1,6-diene. 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 C19H18N4O?
C19H18N4O 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.