Molecular formula
C18H22N4O3
341 compounds have this formula on CompoundList.
- Molar mass
- 342.40g/mol
- Monoisotopic mass
- 342.1692Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 10
The formula C18H22N4O3 describes a molecule made of 18 carbon atoms, 22 hydrogen atoms, 4 nitrogen atoms and 3 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 × 1863.14%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 226.48%1.008 × 22 = 22.176 g/mol
- N Nitrogen × 416.36%14.007 × 4 = 56.028 g/mol
- O Oxygen × 314.02%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H22N4O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 341 compounds
N-Isopropyl-2-(1-(4-methylbenzyl)-6-oxo-1,6-dihydropyridine-3-carbonyl)hydrazinecarboxamide
CAS 1105206-52-7C18H22N4O3
(E)-3-(3,4-Dimethoxyphenyl)-N-(2-((6-methylpyridazin-3-yl)amino)ethyl)acrylamide
CAS 1203433-97-9C18H22N4O3
N-(4-(3-Ethyl-1,2,4-oxadiazol-5-yl)phenyl)-1-isopropyl-5-oxopyrrolidine-3-carboxamide
CAS 1031586-40-9C18H22N4O3
![2-[4-Methyl-2-(morpholin-4-yl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-(2-methylphenyl)acetamide chemical structure, C18H22N4O3, CAS 1251595-11-5](/s/WXWCUJKPSBQKTP-UHFFFAOYSA-N.svg)
2-[4-Methyl-2-(morpholin-4-yl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-(2-methylphenyl)acetamide
CAS 1251595-11-5C18H22N4O3
![2-[4-Methyl-2-(morpholin-4-yl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-(4-methylphenyl)acetamide chemical structure, C18H22N4O3, CAS 1251677-76-5](/s/CJLLUGCGYLWQDF-UHFFFAOYSA-N.svg)
2-[4-Methyl-2-(morpholin-4-yl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-(4-methylphenyl)acetamide
CAS 1251677-76-5C18H22N4O3
1-(4-(6-Methoxy-2-methylpyrimidin-4-yl)piperazin-1-yl)-2-phenoxyethanone
CAS 1251690-55-7C18H22N4O3
3-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)-N-(4-methoxyphenethyl)azetidine-1-carboxamide
CAS 1351590-18-5C18H22N4O3
![3-(3-Methoxy-1,2-oxazol-5-yl)-N-[1-methyl-2-(propan-2-yl)-1H-benzimidazol-5-yl]propanamide chemical structure, C18H22N4O3, CAS 1401575-17-4](/s/RYOXFRFGWJVFTB-UHFFFAOYSA-N.svg)
3-(3-Methoxy-1,2-oxazol-5-yl)-N-[1-methyl-2-(propan-2-yl)-1H-benzimidazol-5-yl]propanamide
CAS 1401575-17-4C18H22N4O3
![(6,7-Dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-2-yl)(4-(2-methoxyphenyl)piperazin-1-yl)methanone chemical structure, C18H22N4O3, CAS 1428364-06-0](/s/OJSMNJLLSALZJE-UHFFFAOYSA-N.svg)
(6,7-Dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-2-yl)(4-(2-methoxyphenyl)piperazin-1-yl)methanone
CAS 1428364-06-0C18H22N4O3
![2-(3-Cyclopropyl-5-oxo-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-1-yl)-N-[(oxolan-2-yl)methyl]acetamide chemical structure, C18H22N4O3, CAS 1396808-31-3](/s/AAJSMOKCHPTINN-UHFFFAOYSA-N.svg)
2-(3-Cyclopropyl-5-oxo-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-1-yl)-N-[(oxolan-2-yl)methyl]acetamide
CAS 1396808-31-3C18H22N4O3
3-(4-Methoxyphenyl)-N-(6-morpholinopyrimidin-4-yl)propanamide
CAS 1396811-52-1C18H22N4O3
![2-(2-Methoxyphenoxy)-N-[6-(piperidin-1-yl)pyrimidin-4-yl]acetamide chemical structure, C18H22N4O3, CAS 1396860-36-8](/s/DEXZEBGYPZOSCR-UHFFFAOYSA-N.svg)
2-(2-Methoxyphenoxy)-N-[6-(piperidin-1-yl)pyrimidin-4-yl]acetamide
CAS 1396860-36-8C18H22N4O3
![2-(2-Methoxy-4-methylphenoxy)-N-[6-(pyrrolidin-1-yl)pyrimidin-4-yl]acetamide chemical structure, C18H22N4O3, CAS 1396865-92-1](/s/QWGPFWRDMGRNMZ-UHFFFAOYSA-N.svg)
2-(2-Methoxy-4-methylphenoxy)-N-[6-(pyrrolidin-1-yl)pyrimidin-4-yl]acetamide
CAS 1396865-92-1C18H22N4O3
N-(2-Ethoxyphenyl)-4-(pyrazin-2-yloxy)piperidine-1-carboxamide
CAS 1448062-61-0C18H22N4O3
N-(2-Methoxyphenyl)-4-((6-methylpyridazin-3-yl)oxy)piperidine-1-carboxamide
CAS 1797756-00-3C18H22N4O3
2-(4-Methoxyphenyl)-N-((4-morpholinopyrimidin-2-yl)methyl)acetamide
CAS 1797805-12-9C18H22N4O3
5,6-Dimethyl-3-(2-oxo-2-(4-(pyridin-4-yloxy)piperidin-1-yl)ethyl)pyrimidin-4(3H)-one
CAS 2034301-27-2C18H22N4O3
(3-((4,6-Dimethylpyrimidin-2-yl)oxy)pyrrolidin-1-yl)(2-ethoxypyridin-3-yl)methanone
CAS 2034252-37-2C18H22N4O3
3-(5-Phenyl-1,2,4-oxadiazol-3-yl)-N-((tetrahydrofuran-2-yl)methyl)pyrrolidine-1-carboxamide
CAS 2034416-49-2C18H22N4O3
(2-(2-Methoxyethoxy)pyridin-4-yl)(4-(pyridin-2-yl)piperazin-1-yl)methanone
CAS 2034446-35-8C18H22N4O3
5-(4-(((5,6-Dimethylpyrimidin-4-yl)oxy)methyl)piperidine-1-carbonyl)pyridin-2(1H)-one
CAS 2309706-97-4C18H22N4O3
![N-(1,5-Dimethyl-6-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridin-3-yl)-3-(4-methoxyphenyl)propanamide chemical structure, C18H22N4O3, CAS 1172727-23-9](/s/VSUCNCYBWMQJRQ-UHFFFAOYSA-N.svg)
N-(1,5-Dimethyl-6-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridin-3-yl)-3-(4-methoxyphenyl)propanamide
CAS 1172727-23-9C18H22N4O3
Benzyl (1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)piperidin-4-yl)carbamate
CAS 1903779-91-8C18H22N4O3
2-Methoxy-N-(1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)piperidin-4-yl)benzamide
CAS 1903434-21-8C18H22N4O3
- 1,3,7-Trimethyl-8-(4-phenylbutoxy)-3,7-dihydro-1H-purine-2,6-dione5415-88-3C18H22N4O3
- 1-(3-Methoxypropyl)-4-oxo-N-propyl-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide900883-14-9C18H22N4O3
- 1-(1-Adamantyl)-3-[(E)-(4-nitrophenyl)methylideneamino]urea324042-85-5C18H22N4O3
- N-(7-Butyl-1,3,4,6,7,8-hexahydro-6,8-dioxo-2H-pyrimido(1,6-a)pyrimidin-9-yl)benzamide524944-74-9C18H22N4O3
- N1-(2-(1-ethyl-1,2,3,4-tetrahydroquinolin-6-yl)ethyl)-N2-(isoxazol-3-yl)oxalamide955774-25-1C18H22N4O3
- (4-(6-Ethoxypyridazin-3-yl)piperazin-1-yl)(4-methoxyphenyl)methanone953172-97-9C18H22N4O3
- N1-cycloheptyl-N2-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)oxalamide946298-46-0C18H22N4O3
- (4-(6-Methoxy-2-methylpyrimidin-4-yl)piperazin-1-yl)(3-methoxyphenyl)methanone946225-46-3C18H22N4O3
- (4-(6-Methoxy-2-methylpyrimidin-4-yl)piperazin-1-yl)(4-methoxyphenyl)methanone946323-55-3C18H22N4O3
- 6-Methyl-5-(2-oxo-2-(4-(m-tolyl)piperazin-1-yl)ethyl)pyrimidine-2,4(1H,3H)-dione1172759-64-6C18H22N4O3
- 4-Methyl-N-(2-((6-morpholinopyrimidin-4-yl)oxy)ethyl)benzamide1209998-09-3C18H22N4O3
- N-[(2,3-Dihydro-1,4-benzodioxin-2-yl)methyl]-N'-{[2-(dimethylamino)pyridin-4-yl]methyl}urea1197956-19-6C18H22N4O3
- N1-(furan-2-ylmethyl)-N2-((1-(pyridin-2-yl)piperidin-4-yl)methyl)oxalamide1235301-86-6C18H22N4O3
- 2-(2-(4-(4-Methoxyphenyl)piperazin-1-yl)-2-oxoethyl)-6-methylpyridazin-3(2H)-one1235007-98-3C18H22N4O3
- N-(1-Cyanocycloheptyl)-2-(5-nitro-2,3-dihydro-1H-indol-1-yl)acetamide1259140-97-0C18H22N4O3
- Methyl 2-((3-(2-pyrrolidin-1-ylethoxy)phenyl)amino)pyrimidine-5-carboxylate1001341-91-8C18H22N4O3
- Methyl 2-((4-(2-pyrrolidin-1-ylethoxy)phenyl)amino)pyrimidine-5-carboxylate1001341-83-8C18H22N4O3
- 7,8-Dimethoxy-5-methyl-3-(pyrrolidin-1-ylmethyl)-3,5-dihydro-4H-pyridazino[4,5-b]indol-4-one1401588-60-0C18H22N4O3
- 5-(4-(2,5-Dimethylphenyl)piperazine-1-carbonyl)-3-methylpyrimidine-2,4(1H,3H)-dione1396866-85-5C18H22N4O3
- N-(3-Methoxyphenyl)-1-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)piperidine-3-carboxamide1396845-03-6C18H22N4O3
- N-(2-Methoxyphenyl)-1-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)piperidine-4-carboxamide1421478-18-3C18H22N4O3
- N-(4-Methoxybenzyl)-4-(pyrazin-2-yloxy)piperidine-1-carboxamide1448047-56-0C18H22N4O3
- N-(4-Methoxybenzyl)-4-(pyridazin-3-yloxy)piperidine-1-carboxamide1797597-74-0C18H22N4O3
- N-((1H-Benzo[d]imidazol-2-yl)methyl)-5-oxo-1-(tetrahydro-2H-pyran-4-yl)pyrrolidine-3-carboxamide1421458-22-1C18H22N4O3
- N-(4,6-Dimethyl-2-morpholinopyrimidin-5-yl)-2-methoxybenzamide1448027-09-5C18H22N4O3
- N-(4,6-Dimethyl-2-morpholinopyrimidin-5-yl)-3-methoxybenzamide1448044-30-1C18H22N4O3
- 3-Methoxy-N-((4-methyl-6-morpholinopyrimidin-2-yl)methyl)benzamide1797661-64-3C18H22N4O3
- N-((4-Methyl-6-morpholinopyrimidin-2-yl)methyl)-2-phenoxyacetamide1797661-75-6C18H22N4O3
- N-(4-(3-Methoxypiperidin-1-yl)phenyl)-2-(6-oxopyridazin-1(6H)-yl)acetamide1797279-00-5C18H22N4O3
- 3,5-Dimethoxy-N-((4-(pyrrolidin-1-yl)pyrimidin-2-yl)methyl)benzamide1796992-02-3C18H22N4O3
- 4-Ethoxy-N-((4-morpholinopyrimidin-2-yl)methyl)benzamide1797329-05-5C18H22N4O3
- 2-Methoxy-N-((4-methyl-6-morpholinopyrimidin-2-yl)methyl)benzamide1797078-33-1C18H22N4O3
- (E)-3-(3,4-Dimethoxyphenyl)-N-((4-(dimethylamino)pyrimidin-2-yl)methyl)acrylamide1798413-54-3C18H22N4O3
- 4-Ethoxy-N-((2-morpholinopyrimidin-4-yl)methyl)benzamide1797330-97-2C18H22N4O3
- 2-(4-Methoxyphenyl)-N-((2-morpholinopyrimidin-4-yl)methyl)acetamide1797081-86-7C18H22N4O3
- N-((2-Morpholinopyrimidin-4-yl)methyl)-2-phenoxypropanamide1797331-09-9C18H22N4O3
- 2-Methoxy-N-((6-methyl-2-morpholinopyrimidin-4-yl)methyl)benzamide1797975-11-1C18H22N4O3
- N-((6-Methyl-2-morpholinopyrimidin-4-yl)methyl)-2-phenoxyacetamide1797252-55-1C18H22N4O3
- 2,3-Dimethoxy-N-((2-(pyrrolidin-1-yl)pyrimidin-4-yl)methyl)benzamide1797812-67-9C18H22N4O3
- (E)-3-(3,4-Dimethoxyphenyl)-N-((2-(dimethylamino)pyrimidin-4-yl)methyl)acrylamide1798404-97-3C18H22N4O3
- N-((4-Morpholinopyrimidin-2-yl)methyl)-2-phenoxypropanamide1795085-33-4C18H22N4O3
- N-(2-(1H-Imidazo[1,2-b]pyrazol-1-yl)ethyl)-3,4-diethoxybenzamide1788773-23-8C18H22N4O3
- 1-Cyclopentyl-3-(1-((2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-1H-pyrazol-4-yl)urea1797639-80-5C18H22N4O3
- (3-((3-Cyclopropyl-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)(2-methoxypyridin-3-yl)methanone1705466-29-0C18H22N4O3
- tert-Butyl (2-(4-(methylcarbamoyl)quinazolin-8-yl)allyl)carbamate1476076-47-7C18H22N4O3
- N-(2-Oxo-2-((1-((tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazol-4-yl)amino)ethyl)benzamide1705926-68-6C18H22N4O3
- 4-Acetamido-N-(1-((tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazol-4-yl)benzamide1705096-55-4C18H22N4O3
- N-[(1r,4r)-4-(Pyridin-2-yloxy)cyclohexyl]-5H,6H,7H-pyrazolo[3,2-b][1,3]oxazine-3-carboxamide2034395-37-2C18H22N4O3
- N-[(1r,4r)-4-(Pyrazin-2-yloxy)cyclohexyl]-4,5,6,7-tetrahydro-1,2-benzoxazole-3-carboxamide2034316-80-6C18H22N4O3
- 2-Ethoxy-N-[(1r,4r)-4-(pyrimidin-2-yloxy)cyclohexyl]pyridine-3-carboxamide2034248-10-5C18H22N4O3
- N-((1r,4r)-4-(Pyrimidin-2-yloxy)cyclohexyl)-4,5,6,7-tetrahydrobenzo[d]isoxazole-3-carboxamide2034318-50-6C18H22N4O3
- 6-Oxo-N-[(1r,4r)-4-[(4,6-dimethylpyrimidin-2-yl)oxy]cyclohexyl]-1,6-dihydropyridine-3-carboxamide2034474-36-5C18H22N4O3
- N-(4-Methoxyphenethyl)-3-(pyrazin-2-yloxy)pyrrolidine-1-carboxamide2034280-95-8C18H22N4O3
- 3-((3-Methoxypyrazin-2-yl)oxy)-N-phenethylpyrrolidine-1-carboxamide2034284-94-9C18H22N4O3
- 3-((6-Methoxypyrazin-2-yl)oxy)-N-phenethylpyrrolidine-1-carboxamide2034209-30-6C18H22N4O3
- N-(4-Methoxyphenethyl)-3-(pyridazin-3-yloxy)pyrrolidine-1-carboxamide2034452-06-5C18H22N4O3
- 3-((6-Methoxypyridazin-3-yl)oxy)-N-phenethylpyrrolidine-1-carboxamide2034446-13-2C18H22N4O3
- (3-((6-(Dimethylamino)pyridazin-3-yl)oxy)pyrrolidin-1-yl)(4-methoxyphenyl)methanone2034249-92-6C18H22N4O3
- N-(4-Methoxybenzyl)-3-(pyrazin-2-yloxy)piperidine-1-carboxamide2034434-04-1C18H22N4O3
- (E)-1-(3-((3-(Dimethylamino)pyrazin-2-yl)oxy)piperidin-1-yl)-3-(furan-2-yl)prop-2-en-1-one2035008-29-6C18H22N4O3
- N-(1-(5-Methyl-1H-pyrazol-3-yl)piperidin-4-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide2034204-94-7C18H22N4O3
- 2-(Cyclopentyloxy)-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)isonicotinamide2034366-59-9C18H22N4O3
- N-(3-Methoxyphenethyl)-6-morpholinopyrimidine-4-carboxamide1906530-02-6C18H22N4O3
- (6-Ethoxypyrimidin-4-yl)(4-(3-methoxyphenyl)piperazin-1-yl)methanone2034580-29-3C18H22N4O3
- 6-Isopropoxy-N-(2-methyl-3-oxo-2,3,5,6,7,8-hexahydrocinnolin-6-yl)nicotinamide1904024-20-9C18H22N4O3
- N-{[2-(Dimethylamino)pyridin-3-yl]methyl}-7-methoxy-5-oxo-1,2,3,5-tetrahydroindolizine-8-carboxamide2034420-74-9C18H22N4O3
- N-{[2-(Dimethylamino)pyridin-4-yl]methyl}-7-methoxy-5-oxo-1,2,3,5-tetrahydroindolizine-8-carboxamide2034606-90-9C18H22N4O3
- 1-(2-(4-Cyclopropyl-6-oxopyrimidin-1(6H)-yl)ethyl)-3-(4-ethoxyphenyl)urea2034536-96-2C18H22N4O3
- N-(2-Oxo-2-((1-((tetrahydro-2H-pyran-2-yl)methyl)-1H-pyrazol-4-yl)amino)ethyl)benzamide2034618-95-4C18H22N4O3
- (4-((2,6-Dimethylpyrimidin-4-yl)oxy)piperidin-1-yl)(2-methoxypyridin-3-yl)methanone2034633-09-3C18H22N4O3
- ((1R,5S)-3-(2H-1,2,3-Triazol-2-yl)-8-azabicyclo[3.2.1]octan-8-yl)(3,4-dimethoxyphenyl)methanone2108362-73-6C18H22N4O3
- 3-(1,2,4-Oxadiazol-3-yl)-4-phenyl-N-((tetrahydrofuran-2-yl)methyl)pyrrolidine-1-carboxamide2034367-74-1C18H22N4O3
- 2-(3,5-Dimethyl-1,2-oxazol-4-yl)-N-(2-{1-ethyl-7-oxo-1H,6H,7H-pyrrolo[2,3-c]pyridin-6-yl}ethyl)acetamide2034559-92-5C18H22N4O3
- N-[(6-Ethoxypyridin-3-yl)methyl]-2-{3-oxo-2H,3H,5H,6H,7H-cyclopenta[c]pyridazin-2-yl}propanamide2034363-34-1C18H22N4O3
- 3-(4-((2,6-Dimethylpyrimidin-4-yl)oxy)piperidine-1-carbonyl)-1-methylpyridin-2(1H)-one2034431-39-3C18H22N4O3
- N-(2-(Benzofuran-2-yl)-2-(dimethylamino)ethyl)-3-methoxy-1-methyl-1H-pyrazole-4-carboxamide2034310-96-6C18H22N4O3
Frequently asked questions
What is the molar mass of C18H22N4O3?
The molar mass of C18H22N4O3 is 342.40 g/mol, calculated from standard atomic weights for 18 carbon atoms, 22 hydrogen atoms, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 342.1692 Da.
How many compounds have the formula C18H22N4O3?
CompoundList lists 341 compounds with the molecular formula C18H22N4O3, including N-Isopropyl-2-(1-(4-methylbenzyl)-6-oxo-1,6-dihydropyridine-3-carbonyl)hydrazinecarboxamide, (E)-3-(3,4-Dimethoxyphenyl)-N-(2-((6-methylpyridazin-3-yl)amino)ethyl)acrylamide, N-(4-(3-Ethyl-1,2,4-oxadiazol-5-yl)phenyl)-1-isopropyl-5-oxopyrrolidine-3-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 C18H22N4O3?
C18H22N4O3 has a degree of unsaturation of 10. 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.