Molecular formula
C20H18N4O2
274 compounds have this formula on CompoundList.
- Molar mass
- 346.39g/mol
- Monoisotopic mass
- 346.1430Da
- Atoms
- 44
- Elements
- 4
- Rings plus double bonds
- 14
The formula C20H18N4O2 describes a molecule made of 20 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. 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 × 2069.35%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 185.24%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 416.17%14.007 × 4 = 56.028 g/mol
- O Oxygen × 29.24%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C20H18N4O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 274 compounds
1,3-Benzenedicarboxamide, N,N'-bis(6-methyl-2-pyridinyl)-
CAS 130760-57-5C20H18N4O2
4,4'-Bis(1-phenyl-3-methyl-5-pyrazolone)
CAS 7477-67-0C20H18N4O2
n,n'-Bis(4-aminophenyl)terephthalamide
CAS 34066-75-6C20H18N4O2
Benzamide, N,N'-1,3-phenylenebis[4-amino-
CAS 2362-25-6C20H18N4O2
1,2-Di(5-amidino-2-benzofuranyl)ethane
CAS 66639-67-6C20H18N4O2
![6-(2-Aminophenyl)-1,3-dimethyl-5-phenyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,6H)-dione chemical structure, C20H18N4O2, CAS 433971-83-6](/s/ZZSSERPNGCHJDT-UHFFFAOYSA-N.svg)
6-(2-Aminophenyl)-1,3-dimethyl-5-phenyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,6H)-dione
CAS 433971-83-6C20H18N4O2
2-(4-(4-(3-Pyridinyl)-1H-imidazol-1-yl)butyl)-1H-isoindole-1,3(2H)-dione
CAS 173838-67-0C20H18N4O2
![6-(Furan-2-yl)-2-methyl-9-phenyl-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one chemical structure, C20H18N4O2, CAS 777868-54-9](/s/LUKLIBZSUSGGKU-UHFFFAOYSA-N.svg)
6-(Furan-2-yl)-2-methyl-9-phenyl-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one
CAS 777868-54-9C20H18N4O2
![N-Acetyl-N-(4-phenyl-1-{[(E)-phenylmethylidene]amino}-1H-imidazol-2-yl)acetamide chemical structure, C20H18N4O2, CAS 677737-70-1](/s/JITLJXOHFNJCNJ-FYJGNVAPSA-N.svg)
N-Acetyl-N-(4-phenyl-1-{[(E)-phenylmethylidene]amino}-1H-imidazol-2-yl)acetamide
CAS 677737-70-1C20H18N4O2
4-N-(Furan-2-ylmethyl)-2-N-(4-methoxyphenyl)quinazoline-2,4-diamine
CAS 4510-35-4C20H18N4O2
![Ethyl 2-amino-1-benzyl-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate chemical structure, C20H18N4O2, CAS 30119-34-7](/s/AVSYRGUXUGNSSJ-UHFFFAOYSA-N.svg)
Ethyl 2-amino-1-benzyl-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate
CAS 30119-34-7C20H18N4O2
![5-Methoxy-2-(5-methyl-1'-phenyl-1H,1'H-[4,4'-bipyrazol]-3-yl)phenol chemical structure, C20H18N4O2, CAS 300849-96-1](/s/JWQDDMNOFLXSDL-UHFFFAOYSA-N.svg)
5-Methoxy-2-(5-methyl-1'-phenyl-1H,1'H-[4,4'-bipyrazol]-3-yl)phenol
CAS 300849-96-1C20H18N4O2
![N'-[(1,3-Dimethyl-1H-pyrazol-4-yl)methylene]-9-hydroxy-9H-fluorene-9-carbohydrazide chemical structure, C20H18N4O2, CAS 512824-36-1](/s/YIASNOWYFSRPNT-SRZZPIQSSA-N.svg)
N'-[(1,3-Dimethyl-1H-pyrazol-4-yl)methylene]-9-hydroxy-9H-fluorene-9-carbohydrazide
CAS 512824-36-1C20H18N4O2
![N'-[(1,5-Dimethyl-1H-pyrazol-4-yl)methylene]-9-hydroxy-9H-fluorene-9-carbohydrazide chemical structure, C20H18N4O2, CAS 512818-09-6](/s/PRYOJMCOUFJWND-SRZZPIQSSA-N.svg)
N'-[(1,5-Dimethyl-1H-pyrazol-4-yl)methylene]-9-hydroxy-9H-fluorene-9-carbohydrazide
CAS 512818-09-6C20H18N4O2
![5-(4-Methoxyphenyl)-6-methyl-1-(4-methylphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one chemical structure, C20H18N4O2, CAS 901044-44-8](/s/GPJKPIAOSOOMRH-UHFFFAOYSA-N.svg)
5-(4-Methoxyphenyl)-6-methyl-1-(4-methylphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one
CAS 901044-44-8C20H18N4O2
![2-Methoxy-4-{3-[(4-methylphenyl)amino]imidazo[1,2-a]pyrazin-2-yl}phenol chemical structure, C20H18N4O2, CAS 879595-66-1](/s/WJSRHXKYJZWAKH-UHFFFAOYSA-N.svg)
2-Methoxy-4-{3-[(4-methylphenyl)amino]imidazo[1,2-a]pyrazin-2-yl}phenol
CAS 879595-66-1C20H18N4O2
![N-[2-(2-Phenylethylcarbamoyl)phenyl]pyrazine-2-carboxamide chemical structure, C20H18N4O2, CAS 924255-50-5](/s/ATBRXCQONBPYAA-UHFFFAOYSA-N.svg)
N-[2-(2-Phenylethylcarbamoyl)phenyl]pyrazine-2-carboxamide
CAS 924255-50-5C20H18N4O2
Benzamide, N,N'-1,4-phenylenebis(4-amino-
CAS 2362-26-7C20H18N4O2
1-N,3-N-bis(pyridin-2-ylmethyl)benzene-1,3-dicarboxamide
CAS 321531-61-7C20H18N4O2
RefChem:381686
CAS 88210-26-8C20H18N4O2
![(4E)-3-Hydroxy-2-methyl-4-(5-methyl-1'-phenyl[4,4'-bi-1H-pyrazol]-3(2H)-ylidene)-2,5-cyclohexadien-1-one chemical structure, C20H18N4O2, CAS 1164479-11-1](/s/HTOYZTFBMWBZTC-UHFFFAOYSA-N.svg)
(4E)-3-Hydroxy-2-methyl-4-(5-methyl-1'-phenyl[4,4'-bi-1H-pyrazol]-3(2H)-ylidene)-2,5-cyclohexadien-1-one
CAS 1164479-11-1C20H18N4O2
N'-(4-((4-Methylbenzyl)oxy)benzylidene)-2-pyrazinecarbohydrazide
CAS 765298-52-0C20H18N4O2
1-N,4-N-bis(4-methylpyridin-2-yl)benzene-1,4-dicarboxamide
CAS 299962-75-7C20H18N4O2
![4-Oxo-3-(2-oxo-2-phenylethyl)-4,6,7,8,9,10-hexahydro-3H-pyrimido[4',5':4,5]pyrrolo[1,2-a]azepine-11-carbonitrile chemical structure, C20H18N4O2, CAS 304869-03-2](/s/KPLAYWHCOFLMBC-UHFFFAOYSA-N.svg)
4-Oxo-3-(2-oxo-2-phenylethyl)-4,6,7,8,9,10-hexahydro-3H-pyrimido[4',5':4,5]pyrrolo[1,2-a]azepine-11-carbonitrile
CAS 304869-03-2C20H18N4O2
- 4-Acetamido-N-(2-amino-5-(pyridin-4-yl)phenyl)benzamide1821669-43-5C20H18N4O2
- 1,1'-(1,2-Phenylene)bis(3-phenylurea)13140-78-8C20H18N4O2
- 4-(2-Methoxy-4-prop-2-enylphenoxy)-1-methyl-[1,2,4]triazolo[4,3-a]quinoxaline433694-79-2C20H18N4O2
- Methyl 2-amino-1-(2-phenylethyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate432015-42-4C20H18N4O2
- 6-(2-Furyl)-9-(4-methylphenyl)-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one878440-32-5C20H18N4O2
- N4,N6-dibenzylpyrimidine-4,6-dicarboxamide135002-40-3C20H18N4O2
- 2-(1H-Benzo[d][1,2,3]triazol-1-yl)-3-(tert-butylamino)naphthalene-1,4-dione371124-80-0C20H18N4O2
- 5-[3-(4-Ethoxyphenyl)-1H-pyrazol-5-yl]-3-(4-methylphenyl)-1,2,4-oxadiazole1037197-19-5C20H18N4O2
- Lepidine B220433-99-8C20H18N4O2
- N-(2,3-Dimethylphenyl)-1-methyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide864854-12-6C20H18N4O2
- 5-{[5-(3,5-Dimethylphenyl)-1,3,4-oxadiazol-2-yl]methyl}-3-(4-methylphenyl)-1,2,4-oxadiazole1251704-13-8C20H18N4O2
- 2-(4-Methoxybenzyl)-7-(3-methoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidine1435978-83-8C20H18N4O2
- 2-(4-Methoxybenzyl)-7-(4-methoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidine1435983-98-4C20H18N4O2
- 5-{[5-(3,4-Dimethylphenyl)-1,3,4-oxadiazol-2-yl]methyl}-3-(4-methylphenyl)-1,2,4-oxadiazole1251558-52-7C20H18N4O2
- 2-(1-Methyl-1H-indol-3-yl)-N-((3-phenyl-1,2,4-oxadiazol-5-yl)methyl)acetamide1171546-89-6C20H18N4O2
- 4-Methyl-2-(2-methylphenyl)-5-(pyridine-2-ylmethyl)-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione1062624-71-8C20H18N4O2
- N-(3-Ethylphenyl)-2-{4-oxo-3H,4H,5H-pyrimido[5,4-b]indol-3-yl}acetamide1105203-42-6C20H18N4O2
- N-(2-(1H-Indol-3-yl)ethyl)-1-methyl-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxamide899951-59-8C20H18N4O2
- 1-(3-(2-Methoxyphenyl)-5-(quinoxalin-6-yl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone946361-34-8C20H18N4O2
- 2-Cinnamyl-8-phenyl-7,8-dihydroimidazo[2,1-c][1,2,4]triazine-3,4(2H,6H)-dione941916-74-1C20H18N4O2
- 5-(3-Phenyl-1H-pyrazol-5-yl)-3-[4-(propan-2-yloxy)phenyl]-1,2,4-oxadiazole1187634-19-0C20H18N4O2
- 5-[3-(2,5-Dimethylphenyl)-1H-pyrazol-5-yl]-3-(4-methoxyphenyl)-1,2,4-oxadiazole1239498-66-8C20H18N4O2
- 2-(8-Methyl-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-3-yl)-N-(o-tolyl)acetamide1105232-89-0C20H18N4O2
- Methyl 7-([1,1'-biphenyl]-4-yl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate909575-20-8C20H18N4O2
- 5-Methyl-4-(5-methyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-2-phenyl-1H-pyrazol-3-one177415-76-8C20H18N4O2
- 4-(3-Methoxyphenyl)-1,2-dimethyl-5-(quinoxalin-6-yl)-1H-pyrazol-3(2H)-one937278-95-0C20H18N4O2
- 5-[3-(4-Ethoxyphenyl)-1H-pyrazol-5-yl]-3-(3-methylphenyl)-1,2,4-oxadiazole1187360-68-4C20H18N4O2
- Lepidine D220434-01-5C20H18N4O2
- Phenol, 4,4'-(1,4-phenylenebis(2,1-diazenediyl))bis(3-methyl-27184-69-6C20H18N4O2
- 3-(Imidazo[1,2-a]pyridin-2-yl)-7-(piperazin-1-yl)-2H-chromen-2-one1446327-63-4C20H18N4O2
- Lepidine E220434-02-6C20H18N4O2
- 4-Pyrimidinamine, 6-methyl-N-(4-nitrophenyl)-2-phenyl-5-(2-propenyl)-330819-79-9C20H18N4O2
- N,N'-Bis(4-aminophenyl)isophthalamide2658-06-2C20H18N4O2
- 1-(5-Methyl-7-(3-phenoxyphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)ethanone932255-28-2C20H18N4O2
- 4(3H)-Quinazolinone, 3,3'-ethylenebis(2-methyl-2519-64-4C20H18N4O2
- 3-(1H-Benzo[d]imidazol-2-yl)-7-(piperazin-1-yl)-2H-chromen-2-one1446330-52-4C20H18N4O2
- Phenol, 4-((2-methoxy-5-methyl-4-(phenylazo)phenyl)azo)-6657-00-7C20H18N4O2
- 1-Methyl-8-phenyl-9-(2-phenylethyl)-3,9-dihydro-1H-purine-2,6-dione61080-56-6C20H18N4O2
- 1-(3-(3-Methoxyphenyl)-5-(quinoxalin-6-yl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone946309-93-9C20H18N4O2
- Ethyl 5,7-diphenyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate457951-54-1C20H18N4O2
- 1,3-Benzenediol, 2,4-bis[2-(2-methylphenyl)diazenyl]-68227-37-2C20H18N4O2
- N'-[(1E)-1-(6-Oxocyclohexa-2,4-dien-1-ylidene)ethyl]-4,5-dihydro-2H-benzo[g]indazole-3-carbohydrazide5961-11-5C20H18N4O2
- N-Benzhydryl-2-isonicotinoylhydrazinecarboxamide392248-65-6C20H18N4O2
- N,N'-Bis(4-cyanophenyl)hexanediamide303768-88-9C20H18N4O2
- N,N'-Bis[(E)-[(E)-3-phenylprop-2-enylidene]amino]oxamide5485-18-7C20H18N4O2
- Ethyl 2-amino-1-(4-methylphenyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate301358-54-3C20H18N4O2
- 1,9-Dimethyl-4-oxo-N-(m-tolyl)-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide724738-32-3C20H18N4O2
- N,N'-(1,4-Phenylenebis(methylene))diisonicotinamide548451-53-2C20H18N4O2
- Benzamide, N,N'-1,4-phenylenebis[3-amino-2362-24-5C20H18N4O2
- 4-(2-(4-(2-(4-Hydroxy-2-methylphenyl)diazenyl)phenyl)diazenyl)-2-methylphenol30828-87-6C20H18N4O2
- 2-(4-Methylphenyl)-6-(4-nitrophenyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine338758-01-3C20H18N4O2
- 1-(3-(4-Methoxyphenyl)-5-(quinoxalin-6-yl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone946279-29-4C20H18N4O2
- 6-Methyl-1-propyl-3-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)quinolin-4(1H)-one1207059-55-9C20H18N4O2
- 3-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-2-methylquinazolin-4-one1898-05-1C20H18N4O2
- 7-(1,3-Benzodioxol-5-yl)-2-cyclohexyl[1,2,4]triazolo[1,5-a]pyridine-8-carbonitrile860650-47-1C20H18N4O2
- Methyl 2-amino-1-(1-phenylethyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate433967-14-7C20H18N4O2
- N,6,10-trimethyl-2-oxo-N-phenyl-1,6,8-triazatricyclo[7.4.0.0^{3,7}]trideca-3(7),4,8,10,12-pentaene-5-carboxamide864855-26-5C20H18N4O2
- 4-Methoxy-2-{2-[(1E)-{[(4-methylphenyl)methoxy]imino}methyl]-1H-pyrrol-1-yl}pyridine-3-carbonitrile339103-17-2C20H18N4O2
- 5-(2,3-Dihydro-1H-inden-5-yl)-1-(3-methylphenyl)-1H,3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2,3]triazole-4,6-dione1170972-48-1C20H18N4O2
- 2-(1H-Benzo[d]imidazol-1-yl)-N-(2-(quinolin-8-yloxy)ethyl)acetamide1207034-59-0C20H18N4O2
- N-(1H-Benzimidazol-2-yl)-1-oxo-2-(propan-2-yl)-1,2-dihydroisoquinoline-4-carboxamide1324056-57-6C20H18N4O2
- 3-(2-(Indolin-1-yl)-2-oxoethyl)-6-methyl-2-(pyridin-4-yl)pyrimidin-4(3H)-one1421481-76-6C20H18N4O2
- 4-Hydroxy-N-[2-(1-methyl-1H-benzimidazol-2-yl)ethyl]quinoline-3-carboxamide1574296-74-4C20H18N4O2
- 6-(2-(1-Methyl-1H-indol-3-yl)acetyl)-2-oxo-1,2,5,6,7,8-hexahydro-1,6-naphthyridine-3-carbonitrile2034486-01-4C20H18N4O2
- N-Benzyl-1,9-dimethyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide724739-01-9C20H18N4O2
- Ethyl 2-amino-1-(3-methylphenyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate325816-78-2C20H18N4O2
- Ethyl 2-amino-1-(2-methylphenyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate301358-53-2C20H18N4O2
- N-Benzyl-1,7-dimethyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide899394-56-0C20H18N4O2
- 1-Methyl-N-(4-methylbenzyl)-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide864853-54-3C20H18N4O2
- N-(4-Ethylphenyl)-1-methyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide864853-84-9C20H18N4O2
- N-[[3-[(Pyridine-4-carbonylamino)methyl]phenyl]methyl]pyridine-4-carboxamide547709-61-5C20H18N4O2
- 1-Benzyl-N,9-dimethyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide900264-91-7C20H18N4O2
- 1-Benzyl-N,N-dimethyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide900265-96-5C20H18N4O2
- 3-(2-Oxo-2-(4-phenyl-5,6-dihydropyridin-1(2H)-yl)ethyl)benzo[d][1,2,3]triazin-4(3H)-one440332-15-0C20H18N4O2
- N-[(E)-(4,8-Dimethoxynaphthalen-1-yl)methylideneamino]-1H-benzimidazol-2-amine418776-12-2C20H18N4O2
- 4-[(Z)-(Dimethylamino)(7-methylimidazo[1,2-a]pyridin-3-yl)methylidene]-2-phenyl-1,3-oxazol-5-one214599-11-8C20H18N4O2
Frequently asked questions
What is the molar mass of C20H18N4O2?
The molar mass of C20H18N4O2 is 346.39 g/mol, calculated from standard atomic weights for 20 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 346.1430 Da.
How many compounds have the formula C20H18N4O2?
CompoundList lists 274 compounds with the molecular formula C20H18N4O2, including 1,3-Benzenedicarboxamide, N,N'-bis(6-methyl-2-pyridinyl)-, 4,4'-Bis(1-phenyl-3-methyl-5-pyrazolone), n,n'-Bis(4-aminophenyl)terephthalamide. 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 C20H18N4O2?
C20H18N4O2 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.