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 301 to 391 of 391 compounds
![1-(1,3-Benzoxazol-2-yl)-N-[(pyridin-2-yl)methyl]pyrrolidine-2-carboxamide chemical structure, C18H18N4O2, CAS 2097865-59-1](/s/QMHLVXCQWPCLAY-UHFFFAOYSA-N.svg)
1-(1,3-Benzoxazol-2-yl)-N-[(pyridin-2-yl)methyl]pyrrolidine-2-carboxamide
CAS 2097865-59-1C18H18N4O2
![2-{3-[(2-Methylpyrimidin-4-yl)oxy]pyrrolidine-1-carbonyl}indolizine chemical structure, C18H18N4O2, CAS 2097922-63-7](/s/JQGPGHGQCBRAIN-UHFFFAOYSA-N.svg)
2-{3-[(2-Methylpyrimidin-4-yl)oxy]pyrrolidine-1-carbonyl}indolizine
CAS 2097922-63-7C18H18N4O2
![3-Methoxy-N-{2-[4-(pyridin-4-yl)-1H-pyrazol-1-yl]ethyl}benzamide chemical structure, C18H18N4O2, CAS 2097917-12-7](/s/CGWRACVFJQEQTN-UHFFFAOYSA-N.svg)
3-Methoxy-N-{2-[4-(pyridin-4-yl)-1H-pyrazol-1-yl]ethyl}benzamide
CAS 2097917-12-7C18H18N4O2
![(2E)-3-(Furan-2-yl)-N-{2-methyl-6H,7H,8H,9H-pyrazolo[1,5-a]quinazolin-7-yl}prop-2-enamide chemical structure, C18H18N4O2, CAS 2097941-17-6](/s/XYIZQIYEHKSGHS-FNORWQNLSA-N.svg)
(2E)-3-(Furan-2-yl)-N-{2-methyl-6H,7H,8H,9H-pyrazolo[1,5-a]quinazolin-7-yl}prop-2-enamide
CAS 2097941-17-6C18H18N4O2
![2-{[1-(1H-Indole-3-carbonyl)azetidin-3-yl]methyl}-6-methyl-2,3-dihydropyridazin-3-one chemical structure, C18H18N4O2, CAS 2200110-69-4](/s/ZZXMFBMRIVSXEL-UHFFFAOYSA-N.svg)
2-{[1-(1H-Indole-3-carbonyl)azetidin-3-yl]methyl}-6-methyl-2,3-dihydropyridazin-3-one
CAS 2200110-69-4C18H18N4O2
![2-{[1-(1H-Indole-6-carbonyl)azetidin-3-yl]methyl}-6-methyl-2,3-dihydropyridazin-3-one chemical structure, C18H18N4O2, CAS 2198793-07-4](/s/ORTVBEBBGBTAGT-UHFFFAOYSA-N.svg)
2-{[1-(1H-Indole-6-carbonyl)azetidin-3-yl]methyl}-6-methyl-2,3-dihydropyridazin-3-one
CAS 2198793-07-4C18H18N4O2
Benzyl 4-(6-cyanopyridin-3-yl)piperazine-1-carboxylate
CAS 2680675-31-2C18H18N4O2
![3-(((2-Cyclobutylpyrazolo[1,5-a]pyrazin-4-yl)amino)methyl)benzoic acid chemical structure, C18H18N4O2, CAS 2202517-71-1](/s/WAGIKPUYTPYVEU-UHFFFAOYSA-N.svg)
3-(((2-Cyclobutylpyrazolo[1,5-a]pyrazin-4-yl)amino)methyl)benzoic acid
CAS 2202517-71-1C18H18N4O2
C-1311 metabolite C0
CAS 1073154-27-4C18H18N4O2
![2-[1-(5-Methyl-1,2-oxazole-3-carbonyl)piperidin-4-yl]-1,8-naphthyridine chemical structure, C18H18N4O2, CAS 2640973-98-2](/s/NNIZKOTZFUOVPP-UHFFFAOYSA-N.svg)
2-[1-(5-Methyl-1,2-oxazole-3-carbonyl)piperidin-4-yl]-1,8-naphthyridine
CAS 2640973-98-2C18H18N4O2
Phenol, 2-(5-(4-morpholinyl)-4-phenyl-4H-1,2,4-triazol-3-yl)-
CAS 82620-01-7C18H18N4O2
![1-Methyl-3-(3-methylphenyl)-1-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]urea chemical structure, C18H18N4O2, CAS 890327-98-7](/s/LPRFTUWIYYRQNS-UHFFFAOYSA-N.svg)
1-Methyl-3-(3-methylphenyl)-1-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]urea
CAS 890327-98-7C18H18N4O2
![1-Methyl-3-(2-methylphenyl)-1-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]urea chemical structure, C18H18N4O2, CAS 890327-91-0](/s/PJIPJUZYBYHXIJ-UHFFFAOYSA-N.svg)
1-Methyl-3-(2-methylphenyl)-1-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]urea
CAS 890327-91-0C18H18N4O2
![5-{(E)-[4-(Diethylamino)phenyl]diazenyl}-1H-isoindole-1,3(2H)-dione chemical structure, C18H18N4O2, CAS 78146-40-4](/s/HORLDWOEIUYYMP-UHFFFAOYSA-N.svg)
5-{(E)-[4-(Diethylamino)phenyl]diazenyl}-1H-isoindole-1,3(2H)-dione
CAS 78146-40-4C18H18N4O2
N-(2-Ethoxyphenyl)-1-(4-methylphenyl)-1H-1,2,4-triazole-3-carboxamide
CAS 1034735-51-7C18H18N4O2
![3-(Furan-2-yl)-2-{4-[(pyridin-3-yl)amino]piperidine-1-carbonyl}prop-2-enenitrile chemical structure, C18H18N4O2, CAS 1334036-52-0](/s/HNFFXOJHNGFQQB-KAMYIIQDSA-N.svg)
3-(Furan-2-yl)-2-{4-[(pyridin-3-yl)amino]piperidine-1-carbonyl}prop-2-enenitrile
CAS 1334036-52-0C18H18N4O2
![1-Ethyl-3-[8-(pyridin-4-yloxymethyl)isoquinolin-3-yl]urea chemical structure, C18H18N4O2, CAS 1338258-52-8](/s/QGENMYNOTODUFC-UHFFFAOYSA-N.svg)
1-Ethyl-3-[8-(pyridin-4-yloxymethyl)isoquinolin-3-yl]urea
CAS 1338258-52-8C18H18N4O2
![1-Ethyl-3-[8-(3-hydroxyphenylamino)isoquinolin-3-yl]urea chemical structure, C18H18N4O2, CAS 1338256-45-3](/s/ZASFKAZAEXHSLS-UHFFFAOYSA-N.svg)
1-Ethyl-3-[8-(3-hydroxyphenylamino)isoquinolin-3-yl]urea
CAS 1338256-45-3C18H18N4O2
2-Amino-4-(2-dioxolanyl)-N-(3-(1-imidazolyl)phenyl)aniline
CAS 1055988-31-2C18H18N4O2
(1R,2R)-1,2-Bis(1-methyl-1H-benzimidazol-2-yl)ethane-1,2-diol
CAS 500304-08-5C18H18N4O2
7-(Piperazin-1-yl)-3-(pyridin-2-ylamino)-2H-chromen-2-one
CAS 1446327-61-2C18H18N4O2
![2-[(4-Aminophenyl)methyl]-6-(3,4-dimethylphenyl)-1,2,4-triazine-3,5(2H,4H)-dione chemical structure, C18H18N4O2, CAS 1369402-08-3](/s/IUZQHCHBVSHMEB-UHFFFAOYSA-N.svg)
2-[(4-Aminophenyl)methyl]-6-(3,4-dimethylphenyl)-1,2,4-triazine-3,5(2H,4H)-dione
CAS 1369402-08-3C18H18N4O2
7-(Piperazin-1-yl)-3-(pyridin-3-ylamino)-2H-chromen-2-one
CAS 1446327-97-4C18H18N4O2
1-(2-Aminoethyl)-3-(4-phenoxyphenyl)-1H-pyrazole-4-carboxamide
CAS 1558038-24-6C18H18N4O2
- 6-Amino-1-((4-methoxybenzyl)amino)isoquinoline-7-carboxamide1616070-32-6C18H18N4O2
- Benzyl 4-(5-cyanopyridin-2-yl)piperazine-1-carboxylate1327017-71-9C18H18N4O2
- 1-[6-Methyl-3-(3-methyl-1,2,4-oxadiazol-5-yl)-2-quinolinyl]-4-piperidinone1565852-98-3C18H18N4O2
- N-(1-Cyanocyclobutyl)-N-cyclopropyl-4-(5-methyl-1,3,4-oxadiazol-2-yl)benzamide1956115-27-7C18H18N4O2
- 7-[4-(Tetrahydro-pyran-2-yloxy)-phenyl]-pyrido[2,3-d]pyrimidin-2-ylamine1446487-80-4C18H18N4O2
- 6-Cyano-N-[1-(2-methoxyphenyl)pyrrolidin-3-yl]pyridine-3-carboxamide2223906-08-7C18H18N4O2
- 2-{[1-(Pyridine-3-carbonyl)piperidin-3-yl]methoxy}pyridine-4-carbonitrile2380043-83-2C18H18N4O2
- 3-{4-[(5-Methylpyrimidin-2-yl)oxy]piperidine-1-carbonyl}benzonitrile2379977-19-0C18H18N4O2
- 2-Cyclopropyl-1-[1-(5-methyl-1,2-oxazole-3-carbonyl)azetidin-3-yl]-1H-1,3-benzodiazole2380032-60-8C18H18N4O2
- 2-{[1-(Pyridine-2-carbonyl)piperidin-3-yl]methoxy}pyridine-4-carbonitrile2380043-81-0C18H18N4O2
- 1-[1-(2-Methoxypyridine-3-carbonyl)azetidin-3-yl]-2-methyl-1H-1,3-benzodiazole2380086-01-9C18H18N4O2
- 1-[1-(5-Cyclopropyl-1,2-oxazole-3-carbonyl)azetidin-3-yl]-2-methyl-1H-1,3-benzodiazole2380078-57-7C18H18N4O2
- 3-{[4-(2-Methoxypyridin-4-yl)-3-oxopiperazin-1-yl]methyl}benzonitrile2380175-77-7C18H18N4O2
- 2-Benzyl-5-(6-methylpyrimidin-4-yl)-octahydropyrrolo[3,4-c]pyrrole-1,3-dione2415511-65-6C18H18N4O2
- 2-Benzyl-5-(4-methylpyrimidin-2-yl)-octahydropyrrolo[3,4-c]pyrrole-1,3-dione2415462-30-3C18H18N4O2
- 2-[1-(6-Methylpyrazine-2-carbonyl)piperidin-3-yl]-1,3-benzoxazole2415509-64-5C18H18N4O2
- 1-Benzyl-4-({4-oxo-4H,5H-pyrazolo[1,5-a]pyrazin-5-yl}methyl)pyrrolidin-2-one2415503-55-6C18H18N4O2
- 2-Cyclopropyl-N-(2-methoxy-5-methylphenyl)imidazo[1,2-b]pyridazine-6-carboxamide2549043-17-4C18H18N4O2
- 2-Cyclopropyl-N-[(2-methoxyphenyl)methyl]imidazo[1,2-b]pyridazine-6-carboxamide2549047-44-9C18H18N4O2
- 4-(4-Cyanoquinolin-2-yl)-N-cyclopropylmorpholine-2-carboxamide2640976-49-2C18H18N4O2
- 1-(4-(6-(Prop-2-yn-1-yloxy)quinazolin-4-yl)piperazin-1-yl)prop-2-en-1-one3037693-39-0C18H18N4O2
- 6-(Hydroxymethyl)-2H-pyran-3,4-dione 3,4-bis(2-phenylhydrazone)72648-50-1C18H18N4O2
- 6-{4-[(3-Methoxyphenyl)methyl]-3-oxopiperazin-1-yl}pyridine-2-carbonitrile2877629-18-8C18H18N4O2
- N-[4-({3-[(2-Cyanopyridin-4-yl)oxy]azetidin-1-yl}methyl)phenyl]acetamide2877635-25-9C18H18N4O2
- 3-Methyl-2-{3-[(pyridin-3-yloxy)methyl]azetidin-1-yl}-3,4-dihydroquinazolin-4-one2877633-67-3C18H18N4O2
- 2-[3-(Pyridin-3-yloxy)piperidin-1-yl]-4H-pyrido[1,2-a]pyrimidin-4-one2877638-63-4C18H18N4O2
- 3-(5-Methylfuran-2-yl)-N'-[(1E)-1-(4-methylphenyl)ethylidene]-1H-pyrazole-5-carbohydrazide307349-72-0C18H18N4O2
- N-[4-[(Z)-[(Z)-(4-Acetamidophenyl)methylidenehydrazinylidene]methyl]phenyl]acetamideC18H18N4O2
- 3-Ethoxy-N-(6-methyl-2-pyridinyl)-5-pyridin-2-yloxypyridin-2-amine847902-55-0C18H18N4O2
- 3-Ethoxy-N-(6-methyl-2-pyridinyl)-5-pyridin-4-yloxypyridin-2-amine847902-58-3C18H18N4O2
- 3,3',3''-[2-(2-Cyanoethoxy)-4-hydroxybenzene-1,3,5-triyl]tripropanenitrile88421-73-2C18H18N4O2
- 1H-Isoindole-1,3(2H)-dione, 4-[2-[4-(diethylamino)phenyl]diazenyl]-80525-40-2C18H18N4O2
- N-Benzyl-1-[(4-methoxyphenyl)methyl]-1H-1,2,3-triazole-4-carboxamide145104-50-3C18H18N4O2
- N-Benzyl5-(methoxymethyl)-1-phenyltriazole-4-carboxamide940995-98-2C18H18N4O2
- 4-Oxo-N-[(pyridin-4-yl)methyl]-1H,2H,3H,3aH,4H,5H-pyrrolo[1,2-a]quinoxaline-7-carboxamide1097651-63-2C18H18N4O2
- N-(2,4-Dimethoxyphenyl)-6-methyl-2-(pyridin-2-yl)pyrimidin-4-amine750564-48-8C18H18N4O2
- N-(3,5-Dimethoxyphenyl)-6-methyl-2-(pyridin-2-yl)pyrimidin-4-amine787542-15-8C18H18N4O2
- N-[4-[(E)-[(Z)-(4-Acetamidophenyl)methylidenehydrazinylidene]methyl]phenyl]acetamideC18H18N4O2
- N-(5-(4-Methoxy-2-methylphenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl)cyclopropanecarboxamide1353637-41-8C18H18N4O2
- 4-Pyrimidinecarboxamide,N-[(3,6-dimethyl-2-pyridinyl)methyl]-6-(5-methyl-2-furanyl)-863547-94-8C18H18N4O2
- 4-[5-(4-Butylphenyl)-2H-tetrazol-2-yl]benzoic acid114622-29-6C18H18N4O2
- Benzyl 4-(3-cyanopyridin-2-yl)piperazine-1-carboxylate1329294-27-0C18H18N4O2
- (6-Methylquinolin-3-yl)methyl 5-amino-1-cyclopropylpyrazole-4-carboxylate2416243-58-6C18H18N4O2
- 3-(3-{[(6-Methylpyridazin-3-yl)oxy]methyl}pyrrolidine-1-carbonyl)benzonitrile2548987-15-9C18H18N4O2
- 6-Methoxy-N-[1-(pyridin-2-yl)azetidin-3-yl]-1H-indole-2-carboxamide2549007-46-5C18H18N4O2
- 4-(3-Cyanoquinolin-2-yl)-N-cyclopropylmorpholine-2-carboxamide2640959-25-5C18H18N4O2
- N-[(2,3-Dihydro-1,4-benzodioxin-6-yl)methyl]-N,2-dimethylpyrido[3,4-d]pyrimidin-4-amine2742060-58-6C18H18N4O2
- 2-{3-[(3-Methylpyridin-4-yl)oxy]pyrrolidin-1-yl}-4H-pyrido[1,2-a]pyrimidin-4-one2742065-80-9C18H18N4O2
- 6-(Ethylamino)-4-[(4-methoxyphenyl)methoxy]pyrazolo[1,5-a]pyridine-3-carbonitrile2649420-07-3C18H18N4O2
- 2-{3-[(5-Methoxypyrimidin-2-yl)oxy]pyrrolidin-1-yl}quinoline2741901-40-4C18H18N4O2
- 6,7-Dimethoxy-2-{pyrido[3,4-d]pyrimidin-4-yl}-1,2,3,4-tetrahydroisoquinoline2327518-05-6C18H18N4O2
- 2-(3,5-Dimethyl-1,2-oxazol-4-yl)-1-{6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-7-yl}ethan-1-one2742007-36-7C18H18N4O2
- 2-Benzyl-5-(5-methylpyrimidin-2-yl)-octahydropyrrolo[3,4-c]pyrrole-1,3-dione2741896-57-9C18H18N4O2
- 4-{3-[(5-Methoxypyrimidin-2-yl)oxy]pyrrolidin-1-yl}quinoline2742016-64-2C18H18N4O2
- 2-[3-(Morpholine-4-carbonyl)azetidin-1-yl]quinoline-3-carbonitrile2770630-26-5C18H18N4O2
- 2-[3-(Morpholine-4-carbonyl)azetidin-1-yl]quinoline-4-carbonitrile2770617-18-8C18H18N4O2
- 2-[3-(2,3-Dihydro-1H-indol-1-yl)-3-oxopropyl]-5-methyl-6-methylidene-3-oxo-1,2,3,6-tetrahydropyridazine-4-carbonitrile2411279-93-9C18H18N4O2
- Benzyl 4-(6-cyanopyridin-2-yl)piperazine-1-carboxylate2680826-63-3C18H18N4O2
- Benzyl 4-(4-cyanopyridin-3-yl)piperazine-1-carboxylate2680772-96-5C18H18N4O2
- Benzyl 4-(2-cyanopyridin-3-yl)piperazine-1-carboxylate2680662-59-1C18H18N4O2
- Benzyl 4-(4-cyanopyridin-2-yl)piperazine-1-carboxylate2680746-13-6C18H18N4O2
- Benzyl 4-(2-cyanopyridin-4-yl)piperazine-1-carboxylate2680671-76-3C18H18N4O2
- Benzyl N-(3-cyano-6-methyl-5,6,7,8-tetrahydro-1,6-naphthyridin-2-yl)carbamate2680707-88-2C18H18N4O2
- Benzyl N-(5-cyano-2-cyclopentylpyrimidin-4-yl)carbamate2680839-36-3C18H18N4O2
- 5-(2,3-Dihydro-1H-isoindol-2-yl)-1,3,6-trimethyl-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-2,4-dione3054555-37-9C18H18N4O2
- tert-Butyl 2-(5-fluoro-2-nitrobenzamido)ethylcarbamate947258-24-4C18H18N4O2
- 3-(2-Oxopyrrolidin-1-yl)-N'-(1-(pyridin-4-yl)ethylidene)benzohydrazide331256-27-0C18H18N4O2
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-(1,3-Benzoxazol-2-yl)-N-[(pyridin-2-yl)methyl]pyrrolidine-2-carboxamide, 2-{3-[(2-Methylpyrimidin-4-yl)oxy]pyrrolidine-1-carbonyl}indolizine, 3-Methoxy-N-{2-[4-(pyridin-4-yl)-1H-pyrazol-1-yl]ethyl}benzamide. 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.