Molecular formula
C18H18N4O2
391 compounds have this formula on CompoundList.
- Molar mass
- 322.37g/mol
- Monoisotopic mass
- 322.1430Da
- Atoms
- 42
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H18N4O2 describes a molecule made of 18 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 × 1867.07%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.63%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 417.38%14.007 × 4 = 56.028 g/mol
- O Oxygen × 29.93%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H18N4O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 300 of 391 compounds
![1-Methyl-N-{2-[(pyridin-2-ylcarbonyl)amino]ethyl}-1H-indole-2-carboxamide chemical structure, C18H18N4O2, CAS 1144493-42-4](/s/PXVBLSXHCPGZIV-UHFFFAOYSA-N.svg)
1-Methyl-N-{2-[(pyridin-2-ylcarbonyl)amino]ethyl}-1H-indole-2-carboxamide
CAS 1144493-42-4C18H18N4O2
3-(4-Methoxyphenyl)-1-methyl-N-(4-pyridylmethyl)-1H-pyrazole-5-carboxamide
CAS 1172885-19-6C18H18N4O2
3-(4-Methoxyphenyl)-1-methyl-N-(2-pyridylmethyl)-1H-pyrazole-5-carboxamide
CAS 1171452-32-6C18H18N4O2
![1-(2,3-Dimethylphenyl)-3-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}urea chemical structure, C18H18N4O2, CAS 1060294-23-6](/s/DOOKKBSLAUZRHT-UHFFFAOYSA-N.svg)
1-(2,3-Dimethylphenyl)-3-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}urea
CAS 1060294-23-6C18H18N4O2
2-(4-Isopropyl-6-oxopyrimidin-1(6H)-yl)-N-(quinolin-3-yl)acetamide
CAS 1210841-44-3C18H18N4O2
![7-Methyl-N-(3-propanamidophenyl)imidazo[1,2-a]pyridine-2-carboxamide chemical structure, C18H18N4O2, CAS 1223433-31-5](/s/FADQUKIEULPWKH-UHFFFAOYSA-N.svg)
7-Methyl-N-(3-propanamidophenyl)imidazo[1,2-a]pyridine-2-carboxamide
CAS 1223433-31-5C18H18N4O2
2-(4-Methylphenoxy)-N-(3-phenyl-1H-1,2,4-triazol-5-yl)propanamide
CAS 1240854-79-8C18H18N4O2
N-(1-Cyanocyclopentyl)-2-(6-oxo-3-phenyl-1,6-dihydropyridazin-1-yl)acetamide
CAS 1223174-42-2C18H18N4O2
N-(4-Ethoxybenzyl)-6-(1H-pyrazol-1-yl)nicotinamide
CAS 1251619-15-4C18H18N4O2
N-(3-Ethoxybenzyl)-6-(1H-pyrazol-1-yl)nicotinamide
CAS 1251691-47-0C18H18N4O2
![Methanone, 2-benzofuranyl[4-(3-pyridazinylamino)-1-piperidinyl]- chemical structure, C18H18N4O2, CAS 1333981-89-7](/s/RSTOZSJHYYTTFQ-UHFFFAOYSA-N.svg)
Methanone, 2-benzofuranyl[4-(3-pyridazinylamino)-1-piperidinyl]-
CAS 1333981-89-7C18H18N4O2
3-(4-Methyl-3-oxo-3,4-dihydroquinoxalin-2-yl)-N-(pyridin-2-ylmethyl)propanamide
CAS 1374538-62-1C18H18N4O2
(1H-Indol-2-yl)(4-(pyrazin-2-yloxy)piperidin-1-yl)methanone
CAS 1448075-55-5C18H18N4O2
(1H-Indol-6-yl)(4-(pyrazin-2-yloxy)piperidin-1-yl)methanone
CAS 1448069-58-6C18H18N4O2
4-Methoxy-N-(2-(3-(pyridin-4-yl)-1H-pyrazol-1-yl)ethyl)benzamide
CAS 1448079-17-1C18H18N4O2
![2-Methoxy-N-{2-[3-(pyridin-2-yl)-1H-pyrazol-1-yl]ethyl}benzamide chemical structure, C18H18N4O2, CAS 1448026-70-7](/s/HSLUVLHOQCIJIW-UHFFFAOYSA-N.svg)
2-Methoxy-N-{2-[3-(pyridin-2-yl)-1H-pyrazol-1-yl]ethyl}benzamide
CAS 1448026-70-7C18H18N4O2
N-((5-Cyclopropyl-1-methyl-1H-pyrazol-3-yl)methyl)-5-phenylisoxazole-3-carboxamide
CAS 1448044-52-7C18H18N4O2
(1H-Indol-5-yl)(4-(pyridazin-3-yloxy)piperidin-1-yl)methanone
CAS 1797597-70-6C18H18N4O2
![N-[1-(Oxolan-3-yl)pyrazol-4-yl]-4-pyrrol-1-ylbenzamide chemical structure, C18H18N4O2, CAS 1797323-16-0](/s/XOFXEFRHKNLBDN-UHFFFAOYSA-N.svg)
N-[1-(Oxolan-3-yl)pyrazol-4-yl]-4-pyrrol-1-ylbenzamide
CAS 1797323-16-0C18H18N4O2
N-(6-Methoxy-2,3,4,9-tetrahydro-1H-carbazol-1-yl)pyrazine-2-carboxamide
CAS 1574517-26-2C18H18N4O2
1-(2-Methoxy-4,6-dimethylpyrimidin-5-yl)-3-(naphthalen-2-yl)urea
CAS 1795190-59-8C18H18N4O2
![6-Methyl-4-oxo-N-(1,2,3,4-tetrahydronaphthalen-1-yl)-4,5-dihydropyrazolo[1,5-a]pyrazine-2-carboxamide chemical structure, C18H18N4O2, CAS 2034392-37-3](/s/ZVEUIEZUZSEDIE-UHFFFAOYSA-N.svg)
6-Methyl-4-oxo-N-(1,2,3,4-tetrahydronaphthalen-1-yl)-4,5-dihydropyrazolo[1,5-a]pyrazine-2-carboxamide
CAS 2034392-37-3C18H18N4O2
![4-Methoxy-N-{2-[2-(pyridin-3-yl)-1H-imidazol-1-yl]ethyl}benzamide chemical structure, C18H18N4O2, CAS 2034449-28-8](/s/KRDWAQWRBNINAB-UHFFFAOYSA-N.svg)
4-Methoxy-N-{2-[2-(pyridin-3-yl)-1H-imidazol-1-yl]ethyl}benzamide
CAS 2034449-28-8C18H18N4O2
![11-(4-Methoxybenzoyl)-4-methyl-2,3,7,11-tetraazatricyclo[7.4.0.0^{2,6}]trideca-1(9),3,5,7-tetraene chemical structure, C18H18N4O2, CAS 1706291-14-6](/s/RIBAXBDBLZVVQH-UHFFFAOYSA-N.svg)
11-(4-Methoxybenzoyl)-4-methyl-2,3,7,11-tetraazatricyclo[7.4.0.0^{2,6}]trideca-1(9),3,5,7-tetraene
CAS 1706291-14-6C18H18N4O2
- (2,5-Dimethylfuran-3-yl)(3-(4-phenyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl)methanone2034445-90-2C18H18N4O2
- 4-Cyano-N-[(1r,4r)-4-(pyrazin-2-yloxy)cyclohexyl]benzamide2034396-35-3C18H18N4O2
- N-((1r,4r)-4-((3-Cyanopyrazin-2-yl)oxy)cyclohexyl)benzamide2034255-56-4C18H18N4O2
- 4-Cyano-N-[(1r,4r)-4-(pyrimidin-2-yloxy)cyclohexyl]benzamide2034444-59-0C18H18N4O2
- 3-Cyano-N-[(1r,4r)-4-(pyrimidin-2-yloxy)cyclohexyl]benzamide2034318-14-2C18H18N4O2
- 2-(1H-Indol-1-yl)-1-(3-(pyrazin-2-yloxy)pyrrolidin-1-yl)ethanone2034448-84-3C18H18N4O2
- 2-(1H-Indol-3-yl)-1-(3-(pyrazin-2-yloxy)pyrrolidin-1-yl)ethanone2034582-49-3C18H18N4O2
- 2-(1H-Indol-1-yl)-1-(3-(pyridazin-3-yloxy)pyrrolidin-1-yl)ethanone2034500-48-4C18H18N4O2
- (1H-Indol-2-yl)(3-((6-methylpyridazin-3-yl)oxy)pyrrolidin-1-yl)methanone2034476-76-9C18H18N4O2
- (1H-Indol-3-yl)(3-((6-methylpyridazin-3-yl)oxy)pyrrolidin-1-yl)methanone2034452-78-1C18H18N4O2
- (1H-Indol-5-yl)(3-((6-methylpyridazin-3-yl)oxy)pyrrolidin-1-yl)methanone2034482-26-1C18H18N4O2
- (1H-Indol-6-yl)(3-((6-methylpyridazin-3-yl)oxy)pyrrolidin-1-yl)methanone2034444-34-1C18H18N4O2
- Indolizin-2-yl(3-((6-methylpyridazin-3-yl)oxy)pyrrolidin-1-yl)methanone2034477-88-6C18H18N4O2
- (1H-Indol-2-yl)(3-(pyridazin-3-yloxy)piperidin-1-yl)methanone2034437-58-4C18H18N4O2
- (1H-Indol-3-yl)(3-(pyridazin-3-yloxy)piperidin-1-yl)methanone2034484-63-2C18H18N4O2
- Indolizin-2-yl(3-(pyridazin-3-yloxy)piperidin-1-yl)methanone2034225-31-3C18H18N4O2
- 4-{3-[(6-Methylpyridazin-3-yl)oxy]piperidine-1-carbonyl}benzonitrile2034439-06-8C18H18N4O2
- 3-{3-[(6-Methylpyridazin-3-yl)oxy]piperidine-1-carbonyl}benzonitrile2034250-86-5C18H18N4O2
- (1H-Indol-2-yl)(3-(pyrazin-2-yloxy)piperidin-1-yl)methanone2034440-39-4C18H18N4O2
- (1H-Indol-6-yl)(3-(pyrazin-2-yloxy)piperidin-1-yl)methanone2034433-36-6C18H18N4O2
- 6-(1H-Indol-3-ylacetyl)-2-methyl-5,6,7,8-tetrahydropyrido[4,3-c]pyridazin-3(2H)-one2108354-40-9C18H18N4O2
- N-((1H-Benzo[d]imidazol-2-yl)methyl)-2-(cyclopropylmethoxy)isonicotinamide2034443-83-7C18H18N4O2
- 2-(Cyclopropylmethoxy)-N-(1-methyl-1H-indazol-5-yl)isonicotinamide2034359-49-2C18H18N4O2
- 2-Methoxy-N-(1-phenyl-2-(2H-1,2,3-triazol-2-yl)ethyl)benzamide2034547-45-8C18H18N4O2
- (1-Methyl-1H-pyrrol-2-yl)(3-(5-phenyl-1,2,4-oxadiazol-3-yl)pyrrolidin-1-yl)methanone2034416-45-8C18H18N4O2
- 3-[1-(1-Methyl-1H-pyrrole-2-carbonyl)-4-phenylpyrrolidin-3-yl]-1,2,4-oxadiazole2034350-64-4C18H18N4O2
- 2-Methoxy-N-((1-methyl-3-(pyridin-3-yl)-1H-pyrazol-5-yl)methyl)benzamide2034325-62-5C18H18N4O2
- 4-Methoxy-N-{[5-(1-methyl-1H-pyrazol-4-yl)pyridin-3-yl]methyl}benzamide2034557-72-5C18H18N4O2
- 3-(Dimethylamino)-N-{[3-(furan-3-yl)pyrazin-2-yl]methyl}benzamide2034611-62-4C18H18N4O2
- N-(2-(4-Cyclopropyl-6-oxopyrimidin-1(6H)-yl)ethyl)-1H-indole-2-carboxamide2034394-81-3C18H18N4O2
- N-(2-(4-Cyclopropyl-6-oxopyrimidin-1(6H)-yl)ethyl)-1H-indole-6-carboxamide2034590-41-3C18H18N4O2
- 1-(Benzo[d]oxazol-2-yl)-N-(pyridin-3-ylmethyl)pyrrolidine-2-carboxamide2034201-27-7C18H18N4O2
- (E)-3-(Furan-2-yl)-N-(2-(5-methyl-3-(pyridin-3-yl)-1H-pyrazol-1-yl)ethyl)acrylamide2035006-83-6C18H18N4O2
- 1-Methyl-2-oxo-N-[2-(4-phenyl-1H-pyrazol-1-yl)ethyl]-1,2-dihydropyridine-3-carboxamide2034417-72-4C18H18N4O2
- Benzofuran-2-yl(3-(4-cyclopropyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl)methanone2034302-28-6C18H18N4O2
- 2-Methoxy-N-{[2-(1-methyl-1H-pyrazol-4-yl)pyridin-3-yl]methyl}benzamide2034309-92-5C18H18N4O2
- N-(2-(2H-1,2,3-Triazol-2-yl)ethyl)-3'-methoxy-[1,1'-biphenyl]-4-carboxamide2309342-67-2C18H18N4O2
- N-(2-(2H-1,2,3-Triazol-2-yl)ethyl)-3-(benzyloxy)benzamide2097916-43-1C18H18N4O2
- (E)-N-(2-(1-Methyl-7-oxo-1H-pyrrolo[2,3-c]pyridin-6(7H)-yl)ethyl)-3-(pyridin-3-yl)acrylamide2035036-77-0C18H18N4O2
- 2-Cyano-N-[(oxolan-2-yl)methyl]-N-[(pyridin-4-yl)methyl]pyridine-4-carboxamide2094834-38-3C18H18N4O2
- 3-{[3-(Furan-3-yl)pyrazin-2-yl]methyl}-1-(2-phenylethyl)urea2034423-55-5C18H18N4O2
- 3-Methoxy-N-((2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yl)methyl)benzamide2034309-39-0C18H18N4O2
- N-(2-(3-Cyclopropyl-6-oxopyridazin-1(6H)-yl)ethyl)-1H-indole-2-carboxamide2034563-29-4C18H18N4O2
- N-(2-(3-Cyclopropyl-6-oxopyridazin-1(6H)-yl)ethyl)-1H-indole-5-carboxamide2034266-81-2C18H18N4O2
- N-((1H-Indol-3-yl)methyl)-2-(3-cyclopropyl-6-oxopyridazin-1(6H)-yl)acetamide2034536-28-0C18H18N4O2
- 5-Methyl-N-(2-(5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-2-yl)phenyl)isoxazole-3-carboxamide2034390-79-7C18H18N4O2
- N-(2-(3-Oxo-3,5,6,7-tetrahydro-2H-cyclopenta[c]pyridazin-2-yl)ethyl)-1H-indole-2-carboxamide2097902-97-9C18H18N4O2
- 8-(1-Benzofuran-2-carbonyl)-3-(1H-1,2,4-triazol-1-yl)-8-azabicyclo[3.2.1]octane2180010-71-1C18H18N4O2
- 6-(4-Ethoxybenzyl)-3-(phenylamino)-1,2,4-triazin-5(4H)-one905797-96-8C18H18N4O2
- 3-((4-Methoxyphenyl)amino)-6-(4-methylbenzyl)-1,2,4-triazin-5(4H)-one898651-02-0C18H18N4O2
- 3-[3-(3-Methylphenyl)-1,2,4-oxadiazol-5-yl]-N-(pyridin-3-ylmethyl)propanamide838891-70-6C18H18N4O2
- 1-(4-Ethoxyphenyl)-5-methyl-N-phenyl-1H-1,2,3-triazole-4-carboxamide866872-52-8C18H18N4O2
- 2,3-Butanedione bis-(benzoylhydrazone)C18H18N4O2
- N,7-bis(furan-2-ylmethyl)-5,6-dimethylpyrrolo[2,3-d]pyrimidin-4-amine903195-18-6C18H18N4O2
- Methyl 4-[2-(2,4-diamino-6-quinazolinyl)ethyl]benzoate132131-25-0C18H18N4O2
- N-(2,5-Dimethylphenyl)-3-[3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl]propanamide900748-23-4C18H18N4O2
- N-(3-Acetylphenyl)-1,3,6-trimethyl-1H-pyrazolo[3,4-b]pyridine-4-carboxamide938910-76-0C18H18N4O2
- 2-(3-Methylphenoxy)-N-(3-phenyl-1H-1,2,4-triazol-5-yl)propanamide941129-57-3C18H18N4O2
- 5-Cyclopropyl-N-(furan-2-ylmethyl)-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide954822-27-6C18H18N4O2
- N-(4-Methoxybenzyl)-6-(3-methyl-1H-pyrazol-1-yl)nicotinamide1251591-38-4C18H18N4O2
- N-Benzyl-1-(4-methoxyphenyl)-N-methyl-1H-1,2,3-triazole-4-carboxamide1261003-40-0C18H18N4O2
- N-[[3-(2H-Benzotriazol-2-yl)-2-hydroxy-5-methylphenyl]methyl]-2-methyl-2-propenamide13282-54-7C18H18N4O2
- 1-Methyl-1'-(pyrazine-2-carbonyl)spiro[indoline-3,4'-piperidin]-2-one1360412-04-9C18H18N4O2
- [4-(4-Amino-3-methyl-phenoxy)-pyrimidin-2-yl]-(3-methoxy-phenyl)-amine853299-37-3C18H18N4O2
- 4-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)-N-(3-acetylphenyl)butanamide1351688-04-4C18H18N4O2
- 3-(4-Methyl-3-oxo-3,4-dihydroquinoxalin-2-yl)-N-(pyridin-3-ylmethyl)propanamide1374544-38-3C18H18N4O2
- 4-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)-N-(4-acetylphenyl)butanamide1351682-73-9C18H18N4O2
- N-(2-Acetamidophenyl)-N-[(1H-benzimidazol-2-yl)methyl]acetamide91362-52-6C18H18N4O2
- 2-[4-(Acetylamino)-1H-indol-1-yl]-N-(2-pyridylmethyl)acetamide1574471-54-7C18H18N4O2
- 1-(Benzo[d]oxazol-2-yl)-N-(5-methylpyridin-2-yl)pyrrolidine-2-carboxamide1796894-61-5C18H18N4O2
- N-(4-(Dimethylamino)-2-methoxypyrimidin-5-yl)-1-naphthamide1795415-83-6C18H18N4O2
- 1-(4-Aminophenyl)-N-benzyl-4-methoxy-1H-pyrazole-3-carboxamide1623083-58-8C18H18N4O2
- N-(2-Methyl-3-oxo-2,3,5,6,7,8-hexahydrocinnolin-6-yl)indolizine-2-carboxamide2034509-54-9C18H18N4O2
- N-(2-Methyl-3-oxo-2,3,5,6,7,8-hexahydrocinnolin-6-yl)-1H-indole-4-carboxamide2034369-81-6C18H18N4O2
- Mesocarb, (S)-C18H18N4O2
- Mesocarb, (R)-C18H18N4O2
Frequently asked questions
What is the molar mass of C18H18N4O2?
The molar mass of C18H18N4O2 is 322.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 322.1430 Da.
How many compounds have the formula C18H18N4O2?
CompoundList lists 391 compounds with the molecular formula C18H18N4O2, including 1-Methyl-N-{2-[(pyridin-2-ylcarbonyl)amino]ethyl}-1H-indole-2-carboxamide, 3-(4-Methoxyphenyl)-1-methyl-N-(4-pyridylmethyl)-1H-pyrazole-5-carboxamide, 3-(4-Methoxyphenyl)-1-methyl-N-(2-pyridylmethyl)-1H-pyrazole-5-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 C18H18N4O2?
C18H18N4O2 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.