Molecular formula
C19H18N4O2
287 compounds have this formula on CompoundList.
- Molar mass
- 334.38g/mol
- Monoisotopic mass
- 337.1618Da
- Atoms
- 43
- Elements
- 4
- Rings plus double bonds
- 13
The formula C19H18N4O2 describes a molecule made of 19 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 × 1968.25%12.011 × 19 = 228.209 g/mol
- H Hydrogen × 185.43%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 416.76%14.007 × 4 = 56.028 g/mol
- O Oxygen × 29.57%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C19H18N4O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 287 compounds
Pimobendan
CAS 74150-27-9C19H18N4O2
Gdc-0879
CAS 2230954-03-5C19H18N4O2
Azd-1080
CAS 612487-72-6C19H18N4O2
![N-(3,4-Dimethylphenyl)-4-oxo-3,10-dihydro-2H-pyrimido[1,2-a]benzimidazole-2-carboxamide chemical structure, C19H18N4O2, CAS 956625-91-5](/s/PVRGOCGZDQMNHB-UHFFFAOYSA-N.svg)
N-(3,4-Dimethylphenyl)-4-oxo-3,10-dihydro-2H-pyrimido[1,2-a]benzimidazole-2-carboxamide
CAS 956625-91-5C19H18N4O2
![4-Ethyl-6-[4-(1-methyl-1H-benzoimidazol-2-yl)-1H-pyrazol-3-yl]-benzene-1,3-diol chemical structure, C19H18N4O2, CAS 307526-37-0](/s/KGKHMIDZXHFCKO-UHFFFAOYSA-N.svg)
4-Ethyl-6-[4-(1-methyl-1H-benzoimidazol-2-yl)-1H-pyrazol-3-yl]-benzene-1,3-diol
CAS 307526-37-0C19H18N4O2
1H-Imidazole-4,5-dicarboxamide, N,N'-bis(phenylmethyl)-
CAS 62255-05-4C19H18N4O2
![N,N-Dimethyl-2-(2-nitroindolo[3,2-b]quinolin-10-yl)ethanamine chemical structure, C19H18N4O2, CAS 214467-42-2](/s/KRXYGGQSPLHKGY-UHFFFAOYSA-N.svg)
N,N-Dimethyl-2-(2-nitroindolo[3,2-b]quinolin-10-yl)ethanamine
CAS 214467-42-2C19H18N4O2
N,N'-Bis(4-methylphenyl)-1H-imidazole-4,5-dicarboxamide
CAS 201481-55-2C19H18N4O2
![N-(2,4-Dimethylphenyl)-2-oxo-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazole-4-carboxamide chemical structure, C19H18N4O2, CAS 1031378-21-8](/s/GEWHOMBULHINQF-UHFFFAOYSA-N.svg)
N-(2,4-Dimethylphenyl)-2-oxo-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazole-4-carboxamide
CAS 1031378-21-8C19H18N4O2
![Ethyl 2-methyl-4-pyridin-3-yl-1,4-dihydropyrimido[1,2-a]benzimidazole-3-carboxylate chemical structure, C19H18N4O2, CAS 727405-61-0](/s/OJAHHSNXXIKRTO-UHFFFAOYSA-N.svg)
Ethyl 2-methyl-4-pyridin-3-yl-1,4-dihydropyrimido[1,2-a]benzimidazole-3-carboxylate
CAS 727405-61-0C19H18N4O2
![4-Oxo-2-(4-phenylpiperazin-1-yl)-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde chemical structure, C19H18N4O2, CAS 839685-49-3](/s/VDONZZNIGLJOJG-UHFFFAOYSA-N.svg)
4-Oxo-2-(4-phenylpiperazin-1-yl)-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde
CAS 839685-49-3C19H18N4O2
![N'-[(E)-(3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methylidene]-2-hydroxybenzohydrazide chemical structure, C19H18N4O2, CAS 850825-31-9](/s/LIEJKIRUKKNCHF-UDWIEESQSA-N.svg)
N'-[(E)-(3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methylidene]-2-hydroxybenzohydrazide
CAS 850825-31-9C19H18N4O2
![(2E)-3-[(2,4-Dimethoxyphenyl)amino]-2-(1-methyl-1H-benzimidazol-2-yl)prop-2-enenitrile chemical structure, C19H18N4O2, CAS 1164514-36-6](/s/LUQYKMRXHKXPKT-OUKQBFOZSA-N.svg)
(2E)-3-[(2,4-Dimethoxyphenyl)amino]-2-(1-methyl-1H-benzimidazol-2-yl)prop-2-enenitrile
CAS 1164514-36-6C19H18N4O2
![N-[1-(2-Methylpropyl)pyrazolo[3,4-b]quinolin-3-yl]furan-2-carboxamide chemical structure, C19H18N4O2, CAS 579446-12-1](/s/JGBDZNPMGVLDLF-UHFFFAOYSA-N.svg)
N-[1-(2-Methylpropyl)pyrazolo[3,4-b]quinolin-3-yl]furan-2-carboxamide
CAS 579446-12-1C19H18N4O2
![N-[1-(2-Methyl-1H-indol-3-yl)-meth-(E)-ylidene-hydrazinocarbonylmethyl]-benzamide chemical structure, C19H18N4O2, CAS 373613-54-8](/s/AXKRNDHSHLKUJV-SRZZPIQSSA-N.svg)
N-[1-(2-Methyl-1H-indol-3-yl)-meth-(E)-ylidene-hydrazinocarbonylmethyl]-benzamide
CAS 373613-54-8C19H18N4O2
![10,11-Dimethoxy-4-methyldibenzo[c,f]-2,7-naphthyridine-3,6-diamine chemical structure, C19H18N4O2, CAS 936833-38-4](/s/NVINUNQBDNEMSY-UHFFFAOYSA-N.svg)
10,11-Dimethoxy-4-methyldibenzo[c,f]-2,7-naphthyridine-3,6-diamine
CAS 936833-38-4C19H18N4O2
![Ethyl 2-methyl-4-pyridin-4-yl-1,4-dihydropyrimido[1,2-a]benzimidazole-3-carboxylate chemical structure, C19H18N4O2, CAS 727405-62-1](/s/MNQKGLPEQOYAFZ-UHFFFAOYSA-N.svg)
Ethyl 2-methyl-4-pyridin-4-yl-1,4-dihydropyrimido[1,2-a]benzimidazole-3-carboxylate
CAS 727405-62-1C19H18N4O2
![N-(6-Methyl-1-propylpyrazolo[3,4-b]quinolin-3-yl)furan-2-carboxamide chemical structure, C19H18N4O2, CAS 843635-42-7](/s/QRGKWXHZWFMTHW-UHFFFAOYSA-N.svg)
N-(6-Methyl-1-propylpyrazolo[3,4-b]quinolin-3-yl)furan-2-carboxamide
CAS 843635-42-7C19H18N4O2
![N-[3-(Cyclopropylcarbamoyl)phenyl]-5-methylimidazo[1,2-a]pyridine-2-carboxamide chemical structure, C19H18N4O2, CAS 878573-97-8](/s/HHNCGXGSWSRLQL-UHFFFAOYSA-N.svg)
N-[3-(Cyclopropylcarbamoyl)phenyl]-5-methylimidazo[1,2-a]pyridine-2-carboxamide
CAS 878573-97-8C19H18N4O2
(Z)-3-(4-Ethylphenyl)-N'-(2-hydroxybenzylidene)-1H-pyrazole-5-carbohydrazide
CAS 403650-64-6C19H18N4O2
Ethyl 5-(benzylamino)-3-phenyl-1,2,4-triazine-6-carboxylate
CAS 866051-63-0C19H18N4O2
![2-(4-{(2E)-2-[1-(2-Hydroxyphenyl)ethylidene]hydrazinyl}-6-methylpyrimidin-2-yl)phenol chemical structure, C19H18N4O2, CAS 300837-92-7](/s/XJVPYGXUZHQAQH-LPYMAVHISA-N.svg)
2-(4-{(2E)-2-[1-(2-Hydroxyphenyl)ethylidene]hydrazinyl}-6-methylpyrimidin-2-yl)phenol
CAS 300837-92-7C19H18N4O2
N-(4-Ethylphenyl)-2-(2-(1H-indol-3-ylmethylene)hydrazino)-2-oxoacetamide
CAS 881467-88-5C19H18N4O2
C.I. Sulphur Yellow 2
CAS 1326-66-5C19H18N4O2
- 5-Hydroxy-7-oxo-3-phenyl-4-propyl-6-azabicyclo[3.2.1]octane-1,2,2-tricarbonitrile342405-99-6C19H18N4O2
- 7-(2,4-Dimethoxyphenyl)-5-phenyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine300850-69-5C19H18N4O2
- N-(1H-Benzimidazol-2-yl)-1-benzyl-5-oxopyrrolidine-3-carboxamide785704-00-9C19H18N4O2
- N-(4-Ethylphenyl)-4-oxo-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazole-2-carboxamide956795-45-2C19H18N4O2
- N-(4-((6-Methylpyridazin-3-yl)amino)phenyl)-2-phenoxyacetamide1207022-52-3C19H18N4O2
- 5-(3,5-Dimethylphenyl)-1-(4-methylphenyl)-1H,3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2,3]triazole-4,6-dione1170058-91-9C19H18N4O2
- 2-[1-(4-Methoxyphenyl)-1H-1,2,3-triazole-4-carbonyl]-1,2,3,4-tetrahydroisoquinoline1226445-93-7C19H18N4O2
- 4-(4-Morpholin-4-ylphthalazin-1-yl)benzamide375836-12-7C19H18N4O2
- (E)-1-(3-(1H-Benzo[d]imidazol-1-yl)-2-hydroxypropyl)-1H-indole-3-carbaldehyde oxime881935-03-1C19H18N4O2
- 1-(1H-Indole-3-carbonyl)-N-(pyridin-2-ylmethyl)azetidine-3-carboxamide1396750-87-0C19H18N4O2
- 1-(3-(6-Methoxypyridazin-3-yl)phenyl)-3-(p-tolyl)urea1020975-47-6C19H18N4O2
- N'-[(2-Hydroxy-1-naphthyl)methylene]-4,5,6,7-tetrahydro-1H-indazole-3-carbohydrazide5323-94-4C19H18N4O2
- (4-(4-Phenoxyphenyl)-2H-1,2,3-triazol-2-yl)(pyrrolidin-1-yl)methanone1312782-39-0C19H18N4O2
- 2 suppliersEthyl 4-methyl-3-((4-(3-pyridinyl)-2-pyrimidinyl)amino)benzoate641569-97-3C19H18N4O2
- 4H-Imidazo(4,5-c)(1,8)naphthyridin-4-one, 3,5-dihydro-3-(2-ethoxyethyl)-5-phenyl-139482-32-9C19H18N4O2
- 1-(4-(1-Methyl-6-oxo-1,6-dihydropyridazin-3-yl)phenyl)-3-(p-tolyl)urea1021050-93-0C19H18N4O2
- I+/--(1-Methylethyl)-I+/--[6-(5-oxazolyl)-2-naphthalenyl]-1H-1,2,3-triazole-5-methanol1375603-42-1C19H18N4O2
- 2-[4-(4-Methylphenyl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-[(pyridin-4-yl)methyl]acetamide1058485-69-0C19H18N4O2
- 2-(2,3-Dihydro-1H-inden-5-yloxy)-N-(3-phenyl-1H-1,2,4-triazol-5-yl)acetamide1240687-42-6C19H18N4O2
- 3-Methyl-N-(2-(6-oxo-3-(pyridin-3-yl)pyridazin-1(6H)-yl)ethyl)benzamide1021027-06-4C19H18N4O2
- 2-Methyl-N-(2-(6-oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)ethyl)benzamide1021137-47-2C19H18N4O2
- N-(3-(6-Oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)propyl)benzamide1021108-92-8C19H18N4O2
- 4-(p-Acetamidoanilinomethylene)-3-methyl-1-phenyl-2-pyrazolin-5-one24664-51-5C19H18N4O2
- 2'-Amino-7',7'-dimethyl-2,5'-dioxo-5',6',7',8'-tetrahydro-1'H-spiro[indoline-3,4'-quinoline]-3'-carbonitrile314745-96-5C19H18N4O2
- 2-(3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)-3-hydroxy-2,3-dihydroquinazolin-4(1H)-one512809-75-5C19H18N4O2
- 3-(4-Dimethylaminobenzoylamino)-5-(pyridin-4-yl)-(1H)-pyridin-2-one893434-92-9C19H18N4O2
- Topoisomerase II inhibitor 62987586-62-7C19H18N4O2
- N-(2-Cyanophenyl)-2-(6,7-dimethyl-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)acetamide1008242-85-0C19H18N4O2
- Benzaldehyde, 2-methoxy-, 2-[3,4-dihydro-3-oxo-4-(2-propen-1-yl)-2-quinoxalinyl]hydrazone, [C(E)]-1263190-73-3C19H18N4O2
- 7-(3,4-Dimethoxyphenyl)-5-phenyl-3,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine324581-27-3C19H18N4O2
- 5-Amino-4-(1H-1,3-benzodiazol-2-yl)-1-[(2-methoxyphenyl)methyl]-2,3-dihydro-1H-pyrrol-3-one885189-72-0C19H18N4O2
- N-(3,5-Dimethylphenyl)-4-oxo-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazole-2-carboxamide956987-71-6C19H18N4O2
- N'-[(1E)-1-(4-Methoxyphenyl)ethylidene]-3-phenyl-1H-pyrazole-5-carbohydrazide1284266-34-7C19H18N4O2
- N'-[(E)-(3-Methoxyphenyl)methylidene]-3-(4-methylphenyl)-1H-pyrazole-5-carbohydrazide1284275-68-8C19H18N4O2
- (E)-N'-(4-Methoxybenzylidene)-4-methyl-3-phenyl-1H-pyrazole-5-carbohydrazide1285531-34-1C19H18N4O2
- 2-(1H-Benzimidazol-2-yl)-N'-{(E)-[2-hydroxy-3-(prop-2-en-1-yl)phenyl]methylidene}acetohydrazide539806-70-7C19H18N4O2
- 4-Butyl-2-(4-nitrophenyl)imidazo[1,2-a]benzimidazole364745-75-5C19H18N4O2
- 1-(3-(Furan-2-yl)-5-(quinoxalin-6-yl)-4,5-dihydro-1H-pyrazol-1-yl)-2-methylpropan-1-one946279-17-0C19H18N4O2
- 2-Methyl-1-{2-[5-(phenoxymethyl)-1,2,4-oxadiazol-3-yl]ethyl}-1H-benzimidazole1105237-21-5C19H18N4O2
- 6-[[Bis(2-pyridinylmethyl)amino]methyl]-3-pyridinecarboxylic acid440367-79-3C19H18N4O2
- 5-Amino-4-(1H-benzimidazol-2-yl)-1-(4-ethoxyphenyl)-2H-pyrrol-3-one380657-93-2C19H18N4O2
- (1,5-Diphenyl-1H-1,2,3-triazol-4-yl)(morpholino)methanone924819-93-2C19H18N4O2
- 5-Cyclopropyl-N-(4-methoxyphenyl)-1-phenyl-1H-1,2,3-triazole-4-carboxamide954828-70-7C19H18N4O2
- 1-(3,5-Dimethylphenyl)-4-(3-(pyridin-3-yl)-1,2,4-oxadiazol-5-yl)pyrrolidin-2-one941906-54-3C19H18N4O2
- 1-{2-[5-(4-Methoxyphenyl)-1,2,4-oxadiazol-3-yl]ethyl}-2-methyl-1H-benzimidazole1021225-01-3C19H18N4O2
- 1-(2-Methylbenzyl)-4-(5-(pyridin-2-yl)-1,2,4-oxadiazol-3-yl)pyrrolidin-2-one1170895-68-7C19H18N4O2
- Furan-2-yl(4-(6-phenylpyrimidin-4-yl)piperazin-1-yl)methanone1203258-07-4C19H18N4O2
- 2-(3,5-Dimethylphenoxy)-N-[(E)-quinoxalin-2-ylmethylideneamino]acetamide496017-28-8C19H18N4O2
- 1-Benzyl-5-(4-ethylphenyl)-3a,6a-dihydropyrrolo[3,4-d][1,2,3]triazole-4,6(1H,5H)-dione1008273-61-7C19H18N4O2
- 1-(3-Methylbenzyl)-4-(5-pyridin-4-yl-1,2,4-oxadiazol-3-yl)pyrrolidin-2-one1171706-73-2C19H18N4O2
- 2-Methoxy-N-(4-((6-methylpyridazin-3-yl)amino)phenyl)benzamide1207046-14-7C19H18N4O2
- 2-[6-Oxo-3-phenyl-1(6H)-pyridazinyl]-N-[2-(4-pyridyl)ethyl]acetamide1401559-83-8C19H18N4O2
- 5-Cyclopropyl-N-(4-(6,7-dihydro-5H-pyrrolo[1,2-a]imidazol-3-yl)phenyl)isoxazole-3-carboxamide1421453-65-7C19H18N4O2
- 5-Amino-4-(1H-1,3-benzodiazol-2-yl)-1-[(4-methoxyphenyl)methyl]-2,3-dihydro-1H-pyrrol-3-one881567-19-7C19H18N4O2
- (Z)-N'-(1-(4-Aminophenyl)ethylidene)-2-(quinolin-8-yloxy)acetohydrazide325765-49-9C19H18N4O2
- Benzoic acid, 4-methoxy-, 2-(4-methyl-6-phenyl-3-pyridazinyl)hydrazide60855-75-6C19H18N4O2
- 3-Benzyl-7,8-dimethoxy-1-methyl-3H-pyrazolo[3,4-c]cinnoline924834-31-1C19H18N4O2
- N-{4-[(6-Methoxy-2-methylpyrimidin-4-yl)amino]phenyl}benzamide941902-93-8C19H18N4O2
- 1-(4-Ethylphenyl)-4-[3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl]pyrrolidin-2-one941998-13-6C19H18N4O2
- 1-(3,4-Dimethylphenyl)-4-[3-(3-pyridyl)-1,2,4-oxadiazol-5-yl]-2-pyrrolidinone941919-60-4C19H18N4O2
- 1-(3,4-Dimethylphenyl)-4-[3-(4-pyridyl)-1,2,4-oxadiazol-5-yl]-2-pyrrolidinone941893-35-2C19H18N4O2
- 5-Cyclopropyl-N-(3-methoxyphenyl)-1-phenyl-1H-1,2,3-triazole-4-carboxamide954305-99-8C19H18N4O2
- 5-Cyclopropyl-1-(4-methoxyphenyl)-N-phenyl-1H-1,2,3-triazole-4-carboxamide954360-90-8C19H18N4O2
- 1-(3,5-Dimethylphenyl)-4-[3-(pyridin-2-yl)-1,2,4-oxadiazol-5-yl]pyrrolidin-2-one941912-91-0C19H18N4O2
- N-{2-[(2-Aminobenzoyl)amino]ethyl}-2-quinolinecarboxamide947898-71-7C19H18N4O2
- N-(2-Methyl-1H-benzimidazol-5-yl)-5-oxo-1-phenylpyrrolidine-3-carboxamide1219555-79-9C19H18N4O2
- N-(1,3-Dihydro-2H-benzimidazol-2-ylidene)-3-(4-methoxy-1H-indol-1-yl)propanamide1282126-43-5C19H18N4O2
- N-[2-(Methoxymethyl)-1H-benzimidazol-5-yl]-1-methyl-1H-indole-2-carboxamide1374519-26-2C19H18N4O2
- 2-[6-Oxo-3-phenyl-1(6H)-pyridazinyl]-N-[2-(2-pyridyl)ethyl]acetamide1401582-77-1C19H18N4O2
- N-(2-Morpholinopyrimidin-5-yl)-1-naphthamide1396855-35-8C19H18N4O2
- N-(3-(2-Methylpyrazolo[1,5-a]pyrimidin-6-yl)propyl)benzofuran-2-carboxamide1797141-86-6C19H18N4O2
- 2-Hydroxy-N-[4-(5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-3-yl)phenyl]benzamide1984183-74-5C19H18N4O2
- N-(3-(1H-Pyrrolo[2,3-b]pyridin-1-yl)propyl)-2-(benzo[d]isoxazol-3-yl)acetamide1787918-70-0C19H18N4O2
- 2-[2-Oxo-5-phenyl-1(2H)-pyrazinyl]-N-[2-(2-pyridyl)ethyl]acetamide1630827-85-8C19H18N4O2
- (2-Cyclopropyl-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)(5-phenylisoxazol-3-yl)methanone2034555-66-1C19H18N4O2
- 2-Oxo-N-(2-phenylethyl)-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazole-4-carboxamide1025387-14-7C19H18N4O2
Frequently asked questions
What is the molar mass of C19H18N4O2?
The molar mass of C19H18N4O2 is 334.38 g/mol, calculated from standard atomic weights for 19 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 337.1618 Da.
How many compounds have the formula C19H18N4O2?
CompoundList lists 287 compounds with the molecular formula C19H18N4O2, including Pimobendan, Gdc-0879, Azd-1080. 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 C19H18N4O2?
C19H18N4O2 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.