Molecular formula
C18H18N4O
210 compounds have this formula on CompoundList.
- Molar mass
- 306.37g/mol
- Monoisotopic mass
- 306.1481Da
- Atoms
- 41
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H18N4O describes a molecule made of 18 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 × 1870.57%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.92%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 418.29%14.007 × 4 = 56.028 g/mol
- O Oxygen × 15.22%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C18H18N4O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 210 compounds
5-(5-Amino-3-phenyl-2-pyrazinyl)-1-isopropyl-2(1H)-pyridone
CAS 851087-71-3C18H18N4O
![2-(4-Vinylbenzyl)-7,8,9,10-tetrahydro-[1,2,4]triazino[4,5-b]indazol-1(2H)-one chemical structure, C18H18N4O, CAS 1795491-65-4](/s/HAOKBIYEGUKOKO-UHFFFAOYSA-N.svg)
2-(4-Vinylbenzyl)-7,8,9,10-tetrahydro-[1,2,4]triazino[4,5-b]indazol-1(2H)-one
CAS 1795491-65-4C18H18N4O
5-(Methyl(phenethyl)amino)quinazoline-8-carboxamide
CAS 1445782-98-8C18H18N4O
6-(4-Methylbenzyl)-3-(p-tolylamino)-1,2,4-triazin-5(4H)-one
CAS 898651-20-2C18H18N4O
![6-Methoxy-2-methyl-N-[(6-methylpyridin-2-yl)methylideneamino]quinolin-4-amine chemical structure, C18H18N4O, CAS 29125-43-7](/s/CWDRZKRXDUBWCO-UHFFFAOYSA-N.svg)
6-Methoxy-2-methyl-N-[(6-methylpyridin-2-yl)methylideneamino]quinolin-4-amine
CAS 29125-43-7C18H18N4O
N-(3,4-Dimethylphenyl)-5-methyl-1-phenyl-1H-1,2,3-triazole-4-carboxamide
CAS 866895-94-5C18H18N4O
![3-Methyl-1-phenyl-6-(pyrrolidin-1-yl)-1H-pyrazolo[3,4-b]pyridine-5-carbaldehyde chemical structure, C18H18N4O, CAS 327103-16-2](/s/HJJWJANQTNAHPZ-UHFFFAOYSA-N.svg)
3-Methyl-1-phenyl-6-(pyrrolidin-1-yl)-1H-pyrazolo[3,4-b]pyridine-5-carbaldehyde
CAS 327103-16-2C18H18N4O
![1-[2-(Pyridin-4-yl)quinazolin-4-yl]piperidin-3-ol chemical structure, C18H18N4O, CAS 781616-04-4](/s/RIVCGQUOLXOMIL-UHFFFAOYSA-N.svg)
1-[2-(Pyridin-4-yl)quinazolin-4-yl]piperidin-3-ol
CAS 781616-04-4C18H18N4O
![1-(Cyclopropylmethyl)-N-[(pyridin-4-yl)methyl]-1H-pyrrolo[2,3-b]pyridine-3-carboxamide chemical structure, C18H18N4O, CAS 418794-16-8](/s/APUHMGLSIUXUAH-UHFFFAOYSA-N.svg)
1-(Cyclopropylmethyl)-N-[(pyridin-4-yl)methyl]-1H-pyrrolo[2,3-b]pyridine-3-carboxamide
CAS 418794-16-8C18H18N4O
![Phenyl[3-([1,2,4]triazolo[4,3-a]pyridin-3-yl)piperidin-1-yl]methanone chemical structure, C18H18N4O, CAS 883956-92-1](/s/GMEPCZQTRCLLDY-UHFFFAOYSA-N.svg)
Phenyl[3-([1,2,4]triazolo[4,3-a]pyridin-3-yl)piperidin-1-yl]methanone
CAS 883956-92-1C18H18N4O
2-(1H-Benzimidazol-2-yl)-N-phenylpyrrolidine-1-carboxamide
CAS 949834-95-1C18H18N4O
N-(3,5-Dimethylphenyl)-4-(5-methyl-1H-1,2,3-triazol-1-yl)benzamide
CAS 915935-21-6C18H18N4O
Nevirapine-12-(n-proylidenyl)
CAS 284686-27-7C18H18N4O
N,1-dibenzyl-5-methyl-1H-1,2,3-triazole-4-carboxamide
CAS 1205028-80-3C18H18N4O
1-Cyclopentyl-N-phenyl-1H-1,2,3-benzotriazole-5-carboxamide
CAS 1358530-44-5C18H18N4O
2-(3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)-N-(pyridin-2-yl)acetamide
CAS 1374528-20-7C18H18N4O
![4-[(1H-Benzimidazol-2-yl)amino]-N-(cyclopropylmethyl)benzamide chemical structure, C18H18N4O, CAS 917763-79-2](/s/CHAOSFHPUBIOCH-UHFFFAOYSA-N.svg)
4-[(1H-Benzimidazol-2-yl)amino]-N-(cyclopropylmethyl)benzamide
CAS 917763-79-2C18H18N4O
(2S)-N-(2-Phenylpyrimidin-5-yl)-1-(prop-2-yn-1-yl)pyrrolidine-2-carboxamide
CAS 1375957-19-9C18H18N4O
![6-Ethyl-5-((2'-methyl-[2,4'-bipyridin]-4-yl)oxy)pyridin-2-amine chemical structure, C18H18N4O, CAS 1632443-99-2](/s/AKSUEXVMNQEQNB-UHFFFAOYSA-N.svg)
6-Ethyl-5-((2'-methyl-[2,4'-bipyridin]-4-yl)oxy)pyridin-2-amine
CAS 1632443-99-2C18H18N4O
1-(3-(1H-1,2,3-Triazol-1-yl)azetidin-1-yl)-3-(naphthalen-1-yl)propan-1-one
CAS 2034522-55-7C18H18N4O
![11-(1H-Indole-3-carbonyl)-7,8,11-triazatricyclo[6.4.0.0^{2,6}]dodeca-1,6-diene chemical structure, C18H18N4O, CAS 2034456-17-0](/s/HOEISBLEWABUEY-UHFFFAOYSA-N.svg)
11-(1H-Indole-3-carbonyl)-7,8,11-triazatricyclo[6.4.0.0^{2,6}]dodeca-1,6-diene
CAS 2034456-17-0C18H18N4O
![(2-Cyclopropyl-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)(1H-indol-3-yl)methanone chemical structure, C18H18N4O, CAS 2034380-45-3](/s/XQXDYCUDSCXQSV-UHFFFAOYSA-N.svg)
(2-Cyclopropyl-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)(1H-indol-3-yl)methanone
CAS 2034380-45-3C18H18N4O
![4-(1H-Pyrrol-1-yl)-N-(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-5-yl)benzamide chemical structure, C18H18N4O, CAS 2034587-33-0](/s/RSNWGDIPDMPVKX-UHFFFAOYSA-N.svg)
4-(1H-Pyrrol-1-yl)-N-(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-5-yl)benzamide
CAS 2034587-33-0C18H18N4O
1-Phenyl-3-(2-(4-phenyl-1H-pyrazol-1-yl)ethyl)urea
CAS 2034553-81-4C18H18N4O
- 1-(3-(1H-Benzo[d]imidazol-1-yl)pyrrolidin-1-yl)-2-(pyridin-3-yl)ethanone2034384-01-3C18H18N4O
- 2-(1H-Benzo[d]imidazol-1-yl)-N-((5-cyclopropylpyridin-3-yl)methyl)acetamide2034228-04-9C18H18N4O
- 3-[3-(1H-Pyrazol-1-yl)-8-azabicyclo[3.2.1]octane-8-carbonyl]benzonitrile2319805-61-1C18H18N4O
- 3-(Methyl(phenyl)amino)-6-(4-methylbenzyl)-1,2,4-triazin-5(4H)-one898651-15-5C18H18N4O
- 3-(Dimethylamino)-N,4-diphenyl-1H-pyrazole-1-carboxamide321538-47-0C18H18N4O
- N-(4-Anilinophenyl)-1-ethylpyrazole-3-carboxamide955572-97-1C18H18N4O
- Benzenemethanol, 4-[5-[[2-(4-pyridinyl)ethyl]amino]pyrazinyl]-821783-88-4C18H18N4O
- 1-Amino-5-(p-tolyl)-7,8,9,10-tetrahydropyrimido[4,5-c]isoquinolin-6(5H)-one929864-44-8C18H18N4O
- 6-Methyl-4-morpholin-4-yl-2-phenylpyrido[3,2-d]pyrimidine1220114-26-0C18H18N4O
- N-(2,3-Dihydro-1H-inden-2-yl)-1-methyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-carboxamide1246041-62-2C18H18N4O
- 1-Phenyl-3-(propan-2-yl)-N-(pyridin-3-yl)-1H-pyrazole-5-carboxamide1282103-67-6C18H18N4O
- 1-Phenyl-3-(propan-2-yl)-N-(pyridin-4-yl)-1H-pyrazole-5-carboxamide1282108-99-9C18H18N4O
- 1-Phenyl-3-(propan-2-yl)-N-(pyridin-2-yl)-1H-pyrazole-5-carboxamide1282141-28-9C18H18N4O
- 2-Cyclohexynon-2-pyridine-1benztriazole methane1082041-67-5C18H18N4O
- N-Butyl-2-cyano-3-(2-phenylpyrimidin-5-yl)prop-2-enamide1281694-88-9C18H18N4O
- N-(1R,3R,5R)-1-Azabicyclo[3.2.1]oct-3-yl-5-cyano-3-isoquinolinecarboxamide590371-77-0C18H18N4O
- N1-(5-(4-methoxyphenyl)pyrimidin-2-yl)-4-methylbenzene-1,3-diamine1375064-92-8C18H18N4O
- N-[(5-Cyclopropylpyridin-3-yl)methyl]-2-methylimidazo[1,2-a]pyridine-3-carboxamide2034568-89-1C18H18N4O
- 2-(4-(Piperazin-1-yl)quinazolin-2-yl)phenol757983-22-5C18H18N4O
- 6-Amino-2-{2-[4-(dimethylamino)phenyl]ethenyl}quinazolin-4(1H)-one134842-08-3C18H18N4O
- 2-(4-(Piperazin-1-yl)phenyl)quinazolin-4(3H)-one1246249-65-9C18H18N4O
- 2-{3-[(Pyridin-2-yloxy)methyl]pyrrolidin-1-yl}quinoxaline2415470-06-1C18H18N4O
- 1-Cyclopropyl-1-phenyl-2-({pyrido[2,3-d]pyrimidin-4-yl}amino)ethan-1-ol2640979-01-5C18H18N4O
- 1,3,5-Triazino(1,2-a)benzimidazol-4(1H)-one, 2,3-dihydro-2,2-dimethyl-3-(3-methylphenyl)-104576-60-5C18H18N4O
- 3-(Benzimidazol-1-yl)-N-(1-phenylethylideneamino)propanamideC18H18N4O
- Phenol, 2-(4-phenyl-5-(1-pyrrolidinyl)-4H-1,2,4-triazol-3-yl)-82620-02-8C18H18N4O
- Pyrazinamine, 5-(4-methoxyphenyl)-N-[2-(4-pyridinyl)ethyl]-821783-87-3C18H18N4O
- 6,7,8,9-Tetrahydro-9-methyl-5-(phenylmethoxy)pyrimido[4,5-b][1,8]naphthyridine69464-50-2C18H18N4O
- N-(2-Cyclopentyl-2H-1,2,3-benzotriazol-5-yl)benzamide130787-14-3C18H18N4O
- N-[6-(Methylamino)naphthalen-2-yl]-N'-[(pyridin-4-yl)methyl]urea56914-20-6C18H18N4O
- 5-(3-(Dimethylamino)phenoxy)-N-phenylpyrimidin-2-amine956128-08-8C18H18N4O
- 1-Ethyl-3-(8-methyl-6-pyridin-4-ylisoquinolin-3-yl)urea1338254-87-7C18H18N4O
- 1-Ethyl-3-(8-methyl-6-pyridin-3-ylisoquinolin-3-yl)urea1338254-82-2C18H18N4O
- 1-Ethyl-3-(8-phenylaminoisoquinolin-3-yl)urea1338256-44-2C18H18N4O
- 6-Amino-2-[4-(1-methylethoxy)phenyl]imidazo[1,2-a]pyridine-3-acetonitrile1216091-65-4C18H18N4O
- 2-(4-Methylphenyl)-4-{pyrido[2,3-d]pyrimidin-4-yl}morpholine2379986-75-9C18H18N4O
- 3-(4-Methoxyphenyl)-1-{pyrido[3,4-d]pyrimidin-4-yl}pyrrolidine2379972-93-5C18H18N4O
- N-[(2-Methoxy-2,3-dihydro-1H-inden-2-yl)methyl]pyrido[3,4-d]pyrimidin-4-amine2380062-61-1C18H18N4O
- 1-Cyclopropyl-1-phenyl-2-({pyrido[3,4-d]pyrimidin-4-yl}amino)ethan-1-ol2380141-90-0C18H18N4O
- 2-(4-Methylphenyl)-4-{pyrido[3,4-d]pyrimidin-4-yl}morpholine2380168-66-9C18H18N4O
- 1-Methyl-4-{3-[(pyridin-3-yloxy)methyl]azetidin-1-yl}phthalazine2380079-34-3C18H18N4O
- 1-[3-(2-Methyl-1H-1,3-benzodiazol-1-yl)azetidin-1-yl]-2-(pyridin-3-yl)ethan-1-one2380168-02-3C18H18N4O
- 3-(1H-1,3-Benzodiazol-1-yl)-N-(3-methylphenyl)azetidine-1-carboxamide2380188-36-1C18H18N4O
- N-[2-(1H-Indol-3-yl)ethyl]-5H,6H,7H-cyclopenta[c]pyridazine-3-carboxamide2415556-19-1C18H18N4O
- 5-[3-(Propan-2-yl)-1,2,3,4-tetrahydroquinoxaline-1-carbonyl]pyridine-2-carbonitrile2411226-32-7C18H18N4O
- 2-Cyclopropyl-N-(3,5-dimethylphenyl)imidazo[1,2-b]pyridazine-6-carboxamide2549025-25-2C18H18N4O
- 2-Cyclopropyl-N-(2-ethylphenyl)imidazo[1,2-b]pyridazine-6-carboxamide2549019-44-3C18H18N4O
- 2-Cyclopropyl-N-(2,3-dimethylphenyl)imidazo[1,2-b]pyridazine-6-carboxamide2549017-57-2C18H18N4O
- 2-Cyclopropyl-N-(2,4-dimethylphenyl)imidazo[1,2-b]pyridazine-6-carboxamide2549039-55-4C18H18N4O
- 2-Cyclopropyl-N-(2,5-dimethylphenyl)imidazo[1,2-b]pyridazine-6-carboxamide2548991-05-3C18H18N4O
- 2-Cyclopropyl-N-(3,4-dimethylphenyl)imidazo[1,2-b]pyridazine-6-carboxamide2549017-07-2C18H18N4O
- 2-Cyclopropyl-N-(2-phenylethyl)imidazo[1,2-b]pyridazine-6-carboxamide2549002-23-3C18H18N4O
- 1-Benzhydryl-N,N-dimethyltriazole-4-carboxamide2741889-29-0C18H18N4O
- 2-[3-(Pyridin-2-yl)pyrrolidin-1-yl]-5H,7H,8H-pyrano[4,3-b]pyridine-3-carbonitrile2877685-40-8C18H18N4O
- 2-[3-(Pyrrolidine-1-carbonyl)azetidin-1-yl]quinoline-3-carbonitrile2877638-17-8C18H18N4O
- 2-[3-(Pyrrolidine-1-carbonyl)azetidin-1-yl]quinoline-4-carbonitrile2877628-42-5C18H18N4O
- 2-Methyl-3-{3-[(pyridin-3-yloxy)methyl]azetidin-1-yl}quinoxaline2877647-13-5C18H18N4O
- 2-[3-(Pyridin-3-yloxy)piperidin-1-yl]quinoxaline2877686-06-9C18H18N4O
- 1H-Benzotriazole,1-[(3S,5R,7aR)-hexahydro-3-phenylpyrrolo[2,1-b]oxazol-5-yl]-205442-89-3C18H18N4O
- N-[4-(5-Methyl-4-phenyl-1H-1,2,3-triazol-1-yl)phenyl]propanamide89778-90-5C18H18N4O
- N-Ethyl-1-(3-methylphenyl)-5-phenyl-1H-1,2,4-triazole-3-carboxamide88839-09-2C18H18N4O
- 5-Amino-N,1-dibenzyl-1H-imidazole-4-carboxamide7026-49-5C18H18N4O
- 5-(9-Ethyl-9H-carbazol-3-yl)-N,N-dimethyl-1,3,4-oxadiazol-2-amine65698-65-9C18H18N4O
- N-(5,7-Dimethyl-1,8-naphthyridin-2-yl)-N-(3-methylphenyl)urea289630-80-4C18H18N4O
- 4-(5-Methoxy-7-methyl-1H-indol-1-yl)-2,6-dimethyl-5H-pyrrolo[3,2-d]pyrimidine1392880-11-3C18H18N4O
- 3-(Ethylamino)-4-methyl-6-[2-(quinolin-2-yl)hydrazinylidene]cyclohexa-2,4-dien-1-one56136-17-5C18H18N4O
- 6-{2-Amino-6-[4-(dimethylamino)phenyl]pyrimidin-4(3H)-ylidene}cyclohexa-2,4-dien-1-one917973-59-2C18H18N4O
- Phenol, 2-[4-[(3S)-3-pyrrolidinylamino]-2-quinazolinyl]-C18H18N4O
- 6-Amino-2-(4-(dimethylamino)styryl)quinazolin-4(1H)-oneC18H18N4O
- N-[1-(2,3-Dihydro-1-benzofuran-5-yl)propan-2-yl]pyrido[2,3-d]pyrimidin-4-amine2379952-86-8C18H18N4O
- 6-Cyclopropyl-N-[2-(1H-indol-3-yl)ethyl]pyrimidine-4-carboxamide2415628-67-8C18H18N4O
- 2-(3-Aminophenyl)-N-cyclobutylimidazo[1,2-a]pyridine-6-carboxamide2597186-54-2C18H18N4O
- 4-{3-[(3-Methylpyridin-4-yl)oxy]pyrrolidin-1-yl}quinazoline2742080-08-4C18H18N4O
- 2-{3-[(3-Methylpyridin-4-yl)oxy]pyrrolidin-1-yl}quinoxaline2742006-71-7C18H18N4O
- 2-(1H-Indol-3-yl)-N-[1-(pyridin-2-yl)azetidin-3-yl]acetamide2415634-79-4C18H18N4O
- N-Cyclobutyl-1-[(naphthalen-2-yl)methyl]-1H-1,2,3-triazole-4-carboxamide2742052-19-1C18H18N4O
Frequently asked questions
What is the molar mass of C18H18N4O?
The molar mass of C18H18N4O is 306.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 306.1481 Da.
How many compounds have the formula C18H18N4O?
CompoundList lists 210 compounds with the molecular formula C18H18N4O, including 5-(5-Amino-3-phenyl-2-pyrazinyl)-1-isopropyl-2(1H)-pyridone, 2-(4-Vinylbenzyl)-7,8,9,10-tetrahydro-[1,2,4]triazino[4,5-b]indazol-1(2H)-one, 5-(Methyl(phenethyl)amino)quinazoline-8-carboxamide. 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 C18H18N4O?
C18H18N4O 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.