Molecular formula
C18H18N4O4
165 compounds have this formula on CompoundList.
- Molar mass
- 354.37g/mol
- Monoisotopic mass
- 354.1328Da
- Atoms
- 44
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H18N4O4 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 4 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 × 1861.01%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.12%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 415.81%14.007 × 4 = 56.028 g/mol
- O Oxygen × 418.06%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C18H18N4O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 165 of 165 compounds
![4-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)-1-[5-(furan-2-yl)-1,2-oxazole-3-carbonyl]piperidine chemical structure, C18H18N4O4, CAS 1209299-62-6](/s/GYGCKGVIZFLMAZ-UHFFFAOYSA-N.svg)
4-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)-1-[5-(furan-2-yl)-1,2-oxazole-3-carbonyl]piperidine
CAS 1209299-62-6C18H18N4O4
2-(3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(5-methylisoxazol-3-yl)propanamide
CAS 1203077-31-9C18H18N4O4
2-(3-(4-Ethoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(isoxazol-3-yl)propanamide
CAS 1235394-56-5C18H18N4O4
![1-Ethyl-N-(2-methoxyphenyl)-7-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-6-carboxamide chemical structure, C18H18N4O4, CAS 1332105-98-2](/s/TXJPGKRMAVMURU-UHFFFAOYSA-N.svg)
1-Ethyl-N-(2-methoxyphenyl)-7-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-6-carboxamide
CAS 1332105-98-2C18H18N4O4
1-(6-Methoxy-3-pyridyl)-5-(4-methoxy-2-pyridyl)pyrazole-3-carboxylic acid ethyl ester
CAS 741286-58-8C18H18N4O4
![3-(2-Oxo-2-(4-(pyridazin-3-yloxy)piperidin-1-yl)ethyl)benzo[d]oxazol-2(3H)-one chemical structure, C18H18N4O4, CAS 1797186-66-3](/s/FJQPTZOSKSOHGD-UHFFFAOYSA-N.svg)
3-(2-Oxo-2-(4-(pyridazin-3-yloxy)piperidin-1-yl)ethyl)benzo[d]oxazol-2(3H)-one
CAS 1797186-66-3C18H18N4O4
![3-(2-(3-((6-Methylpyridazin-3-yl)oxy)pyrrolidin-1-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one chemical structure, C18H18N4O4, CAS 2034444-09-0](/s/CZTRGFSQQIJSGL-UHFFFAOYSA-N.svg)
3-(2-(3-((6-Methylpyridazin-3-yl)oxy)pyrrolidin-1-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one
CAS 2034444-09-0C18H18N4O4
3-(1-(5-Methylisoxazole-3-carbonyl)piperidin-4-yl)quinazoline-2,4(1H,3H)-dione
CAS 1903762-33-3C18H18N4O4
![1-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-(2-(4-(furan-2-yl)-1H-pyrazol-1-yl)ethyl)urea chemical structure, C18H18N4O4, CAS 2034352-21-9](/s/GLZASEXUBDACGP-UHFFFAOYSA-N.svg)
1-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-(2-(4-(furan-2-yl)-1H-pyrazol-1-yl)ethyl)urea
CAS 2034352-21-9C18H18N4O4
![1-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-(2-(4-(furan-3-yl)-1H-pyrazol-1-yl)ethyl)urea chemical structure, C18H18N4O4, CAS 2034355-42-3](/s/AFILIYQNHGJUQH-UHFFFAOYSA-N.svg)
1-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-(2-(4-(furan-3-yl)-1H-pyrazol-1-yl)ethyl)urea
CAS 2034355-42-3C18H18N4O4
6-(4-(Benzofuran-2-carbonyl)piperazin-1-yl)-3-methylpyrimidine-2,4(1H,3H)-dione
CAS 2320213-66-7C18H18N4O4
![5-{[(1S,4S,5R)-2-Azabicyclo[2.1.1]hexan-5-yl]amino}-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione chemical structure, C18H18N4O4, CAS 2728862-38-0](/s/QQSQCLSLJMRMKX-QCWNWTILSA-N.svg)
5-{[(1S,4S,5R)-2-Azabicyclo[2.1.1]hexan-5-yl]amino}-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione
CAS 2728862-38-0C18H18N4O4
1H-Benz(de)isoquinoline-1,3(2H)-dione, 5-nitro-2-(2-(1-piperazinyl)ethyl)-
CAS 96807-70-4C18H18N4O4
![[4-[(E)-2-(1-Ethenyl-5-nitroimidazol-2-yl)ethenyl]phenyl]-morpholin-4-ylmethanone chemical structure, C18H18N4O4, CAS 41552-68-5](/s/QTBIGJDIHGINOK-VMPITWQZSA-N.svg)
[4-[(E)-2-(1-Ethenyl-5-nitroimidazol-2-yl)ethenyl]phenyl]-morpholin-4-ylmethanone
CAS 41552-68-5C18H18N4O4
2-Propenoic acid, 3-(4-(2,3,6,7-tetrahydro-3-(2-methylpropyl)-2,6-dioxo-1H-purin-8-yl)phenyl)-, (E)-
CAS 106465-49-0C18H18N4O4
![[(1-Cyanocyclopentyl)carbamoyl]methyl 2-(4-oxo-3,4-dihydrophthalazin-1-yl)acetate chemical structure, C18H18N4O4, CAS 1002000-62-5](/s/MKBIEUPCUNBOSH-UHFFFAOYSA-N.svg)
[(1-Cyanocyclopentyl)carbamoyl]methyl 2-(4-oxo-3,4-dihydrophthalazin-1-yl)acetate
CAS 1002000-62-5C18H18N4O4
![N'~1~,N'~2~-Bis[(E)-(2-methoxyphenyl)methylidene]ethanedihydrazide chemical structure, C18H18N4O4, CAS 6624-39-1](/s/SYLAIXNHNXVHIG-AYKLPDECSA-N.svg)
N'~1~,N'~2~-Bis[(E)-(2-methoxyphenyl)methylidene]ethanedihydrazide
CAS 6624-39-1C18H18N4O4
2-(3-Benzyl-2,4,5-trioxoimidazolidin-1-yl)-N-(1-cyano-1-cyclopropylethyl)acetamide
CAS 870760-33-1C18H18N4O4
![Methyl 7-ethyl-4-(2-methoxy-2-oxoethyl)-8-phenylpyrazolo[5,1-c][1,2,4]triazine-3-carboxylate chemical structure, C18H18N4O4, CAS 908507-77-7](/s/QMDKHELBVOGMIU-UHFFFAOYSA-N.svg)
Methyl 7-ethyl-4-(2-methoxy-2-oxoethyl)-8-phenylpyrazolo[5,1-c][1,2,4]triazine-3-carboxylate
CAS 908507-77-7C18H18N4O4
N-(3-Methoxypropyl)-6-(2-naphthalenyloxy)-5-nitro-4-pyrimidinamine
CAS 883512-42-3C18H18N4O4
![4,7-Dimethoxy-N-[2-oxo-2-(pyridin-2-ylamino)ethyl]-1H-indole-2-carboxamide chemical structure, C18H18N4O4, CAS 1010887-70-3](/s/KVMHJGZRSQKDGG-UHFFFAOYSA-N.svg)
4,7-Dimethoxy-N-[2-oxo-2-(pyridin-2-ylamino)ethyl]-1H-indole-2-carboxamide
CAS 1010887-70-3C18H18N4O4
![N-(3-(1H-Imidazol-1-yl)propyl)-2-(5-(benzo[d][1,3]dioxol-5-yl)isoxazol-3-yl)acetamide chemical structure, C18H18N4O4, CAS 1171728-71-4](/s/PUEWRDTWRGRHRY-UHFFFAOYSA-N.svg)
N-(3-(1H-Imidazol-1-yl)propyl)-2-(5-(benzo[d][1,3]dioxol-5-yl)isoxazol-3-yl)acetamide
CAS 1171728-71-4C18H18N4O4
(5Z,7E)-6,7-Diphenyl-4,9-dioxa-2,5,8,11-tetraazadodeca-5,7-diene-3,10-dione
CAS 57169-31-0C18H18N4O4
2-(6,7-Dimethoxy-4-oxoquinazolin-3(4H)-yl)-N-(3-methylpyridin-2-yl)acetamide
CAS 1574361-29-7C18H18N4O4
- 2-(2-Methoxyethoxy)-N-((3-phenyl-1,2,4-oxadiazol-5-yl)methyl)isonicotinamide2034313-39-6C18H18N4O4
- Diethyl 2,5-di(1H-imidazol-1-yl)terephthalate1942879-47-1C18H18N4O4
- N,N'-Bis[(Z)-(2-methoxyphenyl)methylideneamino]oxamideC18H18N4O4
- N-Butyl-3-(5-nitrofuran-2-yl)-1-phenyl-1H-pyrazole-4-carboxamide61621-05-4C18H18N4O4
- 3-[[2-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-(methoxymethyl)-4-pyrimidinyl]oxy]benzoic acid1239756-98-9C18H18N4O4
- 5-[(1S,4S)-2,5-Diazabicyclo[2.2.1]heptan-2-yl]-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione2222116-89-2C18H18N4O4
- 2-Hydroxy-N-{3-[(morpholin-4-yl)methyl]-1,2-benzoxazol-5-yl}pyridine-3-carboxamide2379952-07-3C18H18N4O4
- N-[(Furan-2-yl)methyl]-N'-{2-hydroxy-2-[4-(1H-pyrazol-1-yl)phenyl]ethyl}ethanediamide2415586-77-3C18H18N4O4
- 2-(2,6-Dioxopiperidin-3-yl)-4-(2,6-diazaspiro[3.3]heptan-2-yl)isoindoline-1,3-dione2716130-70-8C18H18N4O4
- (2Z)-3-(2H-1,3-Benzodioxol-5-yl)-N-{1,5-dimethyl-6-oxo-1H,4H,5H,6H,7H-pyrazolo[3,4-b]pyridin-3-yl}prop-2-enamide1173381-72-0C18H18N4O4
- 3,4-Dihydro-2,2-dimethyl-1(2H)-naphthalenone 2-(2,4-dinitrophenyl)hydrazone2977-46-0C18H18N4O4
- 3-[(2-Cyanopyridin-4-yl)oxy]-N-(2,4-dimethoxyphenyl)azetidine-1-carboxamide2877640-33-8C18H18N4O4
- 3,6-Bis(3,4-dimethoxyphenyl)-1,2,4,5-tetrazine77355-32-9C18H18N4O4
- 1-(3-(4-Methoxyphenyl)isoxazolo[5,4-d]pyrimidin-4-yl)piperidine-4-carboxylic acid1031602-73-9C18H18N4O4
- Ethyl 5-(6-methoxy-2-pyridinyl)-1-(6-methoxy-3-pyridinyl)pyrazole-3-carboxylate741286-63-5C18H18N4O4
- Ethyl 1-[(3-methoxyphenyl)methyl]-3-(2-oxo-1H-pyrimidin-6-yl)pyrazole-5-carboxylate1403333-29-8C18H18N4O4
- Ethyl (3E)-2-[2-(2-nitrophenyl)hydrazinylidene]-3-(phenylimino)butanoate62008-99-5C18H18N4O4
- Ethyl (3E)-2-[2-(3-nitrophenyl)hydrazinylidene]-3-(phenylimino)butanoate62008-98-4C18H18N4O4
- N-(3-Methoxypropyl)-6-nitro-1-phenyl-1H-indazole-3-carboxamide61360-53-0C18H18N4O4
- 3-Phenylcyclohexanone 2,4-dinitrophenyl hydrazone25625-20-1C18H18N4O4
- 3-[4-(1H-Imidazol-1-ylcarbonyl)benzyl]-8-oxa-1,3-diazaspiro[4.5]decane-2,4-dione2108836-48-0C18H18N4O4
- Benzyl N-[3-(5-nitro-1H-1,3-benzodiazol-2-yl)propyl]carbamate1617532-00-9C18H18N4O4
- 1,5-Methano-2H-pyrido[1,2-a][1,5]diazocine-3(4H)-carboxamide, 1,5,6,8-tetrahydro-N-(4-nitrophenyl)-8-oxo-, (1R)-40705-16-6C18H18N4O4
- 5-Cyclopentyl-1-[2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)ethyl]-1H-1,2,3-triazole-4-carboxylic acid2138176-07-3C18H18N4O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-(cyclopentylmethyl)-5-methyl-1H-1,2,3-triazole-4-carboxylate2248358-71-4C18H18N4O4
- 7-(3-{[(tert-Butoxy)carbonyl]amino}phenyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid2639407-21-7C18H18N4O4
- 7-(3-{[(tert-Butoxy)carbonyl]amino}phenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid2639422-26-5C18H18N4O4
- 3-{[(Benzyloxy)carbonyl]({7-methyl-[1,2,4]triazolo[1,5-a]pyridin-5-yl})amino}propanoic acid2680860-86-8C18H18N4O4
- tert-Butyl N-(1H-1,3-benzodiazol-2-yl)-N-(4-nitrophenyl)carbamate2680880-13-9C18H18N4O4
- rac-5-[(1R,5S)-1-Amino-3-azabicyclo[3.1.0]hexan-3-yl]-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione2731013-36-6C18H18N4O4
- 5-[(1R,5S,6R)-6-Amino-3-azabicyclo[3.1.0]hexan-3-yl]-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione2728780-26-3C18H18N4O4
- 5-{[(2,5-Dihydro-1H-pyrrol-2-yl)methyl]amino}-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione2703769-30-4C18H18N4O4
- 5-{4-Amino-2-azabicyclo[2.1.1]hexan-2-yl}-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione2703768-20-9C18H18N4O4
- 5-{[(1R,5S,6R)-3-Azabicyclo[3.1.0]hexan-6-yl]amino}-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione2728780-23-0C18H18N4O4
- 5-({3-Aminobicyclo[1.1.1]pentan-1-yl}amino)-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione2703769-62-2C18H18N4O4
- rac-5-{[(1R,4R,5R)-2-azabicyclo[2.1.1]hexan-5-yl]amino}-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione2731012-66-9C18H18N4O4
- N-(3-Nitrophenyl)-N'-(4-phenylbutan-2-ylideneamino)oxamide438463-49-1C18H18N4O4
- 2-((E)-2-(1H-Imidazol-5-yl)vinyl)-5-((Z)-4-hydroxy-3,5-dimethoxybenzylidene)-3-methyl-3,5-dihydro-4H-imidazol-4-one2316839-28-6C18H18N4O4
- 3-(4-(1-(2-Hydroxyethyl)-1H-pyrazol-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione2762040-44-6C18H18N4O4
- Orb32104412671377-38-9C18H18N4O4
- 2,4-Dinitro-N-[(E)-(1-phenylcyclopentyl)methylideneamino]aniline1812-68-6C18H18N4O4
Frequently asked questions
What is the molar mass of C18H18N4O4?
The molar mass of C18H18N4O4 is 354.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 354.1328 Da.
How many compounds have the formula C18H18N4O4?
CompoundList lists 165 compounds with the molecular formula C18H18N4O4, including 4-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)-1-[5-(furan-2-yl)-1,2-oxazole-3-carbonyl]piperidine, 2-(3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(5-methylisoxazol-3-yl)propanamide, 2-(3-(4-Ethoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(isoxazol-3-yl)propanamide. 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 C18H18N4O4?
C18H18N4O4 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.