Molecular formula
C18H16N4O2
246 compounds have this formula on CompoundList.
- Molar mass
- 320.35g/mol
- Monoisotopic mass
- 320.1273Da
- Atoms
- 40
- Elements
- 4
- Rings plus double bonds
- 13
The formula C18H16N4O2 describes a molecule made of 18 carbon atoms, 16 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 × 1867.49%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 165.03%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 417.49%14.007 × 4 = 56.028 g/mol
- O Oxygen × 29.99%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H16N4O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 246 compounds
![4-(3-Methylphenyl)-2-[(pyridin-4-ylmethyl)amino]pyrimidine-5-carboxylic acid chemical structure, C18H16N4O2, CAS 1340716-97-3](/s/YZVMWTPCAPRBLT-UHFFFAOYSA-N.svg)
4-(3-Methylphenyl)-2-[(pyridin-4-ylmethyl)amino]pyrimidine-5-carboxylic acid
CAS 1340716-97-3C18H16N4O2
![7-(1,3-Benzodioxol-5-yl)-2-(tert-butyl)[1,2,4]triazolo[1,5-a]pyridine-8-carbonitrile chemical structure, C18H16N4O2, CAS 860650-24-4](/s/XWMPTKHESCYICL-UHFFFAOYSA-N.svg)
7-(1,3-Benzodioxol-5-yl)-2-(tert-butyl)[1,2,4]triazolo[1,5-a]pyridine-8-carbonitrile
CAS 860650-24-4C18H16N4O2
![6-(4-Nitrophenyl)-2-phenyl-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-c]pyridine chemical structure, C18H16N4O2, CAS 338758-07-9](/s/FJNYYXZYFSWTJQ-UHFFFAOYSA-N.svg)
6-(4-Nitrophenyl)-2-phenyl-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-c]pyridine
CAS 338758-07-9C18H16N4O2
![N-Allyl-4-((4-oxobenzo[d][1,2,3]triazin-3(4H)-yl)methyl)benzamide chemical structure, C18H16N4O2, CAS 440330-28-9](/s/WOVSLTBKEVRDMY-UHFFFAOYSA-N.svg)
N-Allyl-4-((4-oxobenzo[d][1,2,3]triazin-3(4H)-yl)methyl)benzamide
CAS 440330-28-9C18H16N4O2
![1-(4-{[(Anilinocarbonyl)oxy]ethanimidoyl}phenyl)-1H-imidazole chemical structure, C18H16N4O2, CAS 477850-31-0](/s/XUEYLQHOYCUGOO-KGENOOAVSA-N.svg)
1-(4-{[(Anilinocarbonyl)oxy]ethanimidoyl}phenyl)-1H-imidazole
CAS 477850-31-0C18H16N4O2
![2-Benzyl-8-phenyl-7,8-dihydroimidazo[2,1-c][1,2,4]triazine-3,4(2H,6H)-dione chemical structure, C18H16N4O2, CAS 941917-18-6](/s/MJJMPCGEHDEWDG-UHFFFAOYSA-N.svg)
2-Benzyl-8-phenyl-7,8-dihydroimidazo[2,1-c][1,2,4]triazine-3,4(2H,6H)-dione
CAS 941917-18-6C18H16N4O2
N-(1,3-Dihydro-2H-benzimidazol-2-ylidene)-5-oxo-1-phenylpyrrolidine-3-carboxamide
CAS 1010902-38-1C18H16N4O2
N-(1,3-Dihydro-2H-benzimidazol-2-ylidene)-3-(1-oxo-1,3-dihydro-2H-isoindol-2-yl)propanamide
CAS 1081131-30-7C18H16N4O2
N-(2-(6-Oxo-3-(pyridin-3-yl)pyridazin-1(6H)-yl)ethyl)benzamide
CAS 1021062-53-2C18H16N4O2
1-Benzyl-4-(3-pyridin-2-yl-1,2,4-oxadiazol-5-yl)pyrrolidin-2-one
CAS 1172081-92-3C18H16N4O2
1-(3-Methylphenyl)-4-(5-pyridin-2-yl-1,2,4-oxadiazol-3-yl)pyrrolidin-2-one
CAS 1171625-28-7C18H16N4O2
1-(3-Methylphenyl)-4-(5-pyridin-4-yl-1,2,4-oxadiazol-3-yl)pyrrolidin-2-one
CAS 1170377-03-3C18H16N4O2
![1-(4-Methylphenyl)-4-[5-(2-pyridyl)-1,2,4-oxadiazol-3-yl]-2-pyrrolidinone chemical structure, C18H16N4O2, CAS 1171996-83-0](/s/XBWUIYIEFOEYRU-UHFFFAOYSA-N.svg)
1-(4-Methylphenyl)-4-[5-(2-pyridyl)-1,2,4-oxadiazol-3-yl]-2-pyrrolidinone
CAS 1171996-83-0C18H16N4O2
1-Benzyl-4-(5-pyridin-4-yl-1,2,4-oxadiazol-3-yl)pyrrolidin-2-one
CAS 1170979-08-4C18H16N4O2
2-(6-Oxo-3-phenylpyridazin-1(6H)-yl)-N-(pyridin-2-yl)propanamide
CAS 1203281-19-9C18H16N4O2
![2-Methyl-N-(1-methyl-2-oxoindolin-5-yl)imidazo[1,2-a]pyridine-3-carboxamide chemical structure, C18H16N4O2, CAS 1211263-79-4](/s/QBSOMRCGCZJEPL-UHFFFAOYSA-N.svg)
2-Methyl-N-(1-methyl-2-oxoindolin-5-yl)imidazo[1,2-a]pyridine-3-carboxamide
CAS 1211263-79-4C18H16N4O2
N-(1H-Benzimidazol-5-yl)-5-oxo-1-phenylpyrrolidine-3-carboxamide
CAS 1219567-63-1C18H16N4O2
![7-(2-Methoxyphenyl)-3-(pyridin-3-yl)-6,7-dihydro-3H-imidazo[4,5-b]pyridin-5-ol chemical structure, C18H16N4O2, CAS 1219576-79-0](/s/BIPXQAWFTQPUPQ-UHFFFAOYSA-N.svg)
7-(2-Methoxyphenyl)-3-(pyridin-3-yl)-6,7-dihydro-3H-imidazo[4,5-b]pyridin-5-ol
CAS 1219576-79-0C18H16N4O2
4-((6-Methylpyridazin-3-yl)oxy)-N-(pyridin-3-ylmethyl)benzamide
CAS 1251577-37-3C18H16N4O2
![3-[(6-Methylpyridazin-3-yl)oxy]-N-(4-methylpyridin-2-yl)benzamide chemical structure, C18H16N4O2, CAS 1251708-56-1](/s/GIJAACGSYJNFBO-UHFFFAOYSA-N.svg)
3-[(6-Methylpyridazin-3-yl)oxy]-N-(4-methylpyridin-2-yl)benzamide
CAS 1251708-56-1C18H16N4O2
![N-Methyl-2-[4-(2-pyridinylamino)phenoxy]-3-pyridinecarboxamide chemical structure, C18H16N4O2, CAS 1231924-37-0](/s/MDOGBFIVLMTVER-UHFFFAOYSA-N.svg)
N-Methyl-2-[4-(2-pyridinylamino)phenoxy]-3-pyridinecarboxamide
CAS 1231924-37-0C18H16N4O2
(E)-3-((1-Cinnamoylpyrrolidin-3-yl)oxy)pyrazine-2-carbonitrile
CAS 2035007-58-8C18H16N4O2
![N-(2-Methylphenyl)-2-(2-oxo-2,3-dihydro-1H-imidazo[1,2-a]benzimidazol-3-yl)acetamide chemical structure, C18H16N4O2, CAS 1169840-69-0](/s/UYZVMAIFPRBEOP-UHFFFAOYSA-N.svg)
N-(2-Methylphenyl)-2-(2-oxo-2,3-dihydro-1H-imidazo[1,2-a]benzimidazol-3-yl)acetamide
CAS 1169840-69-0C18H16N4O2
![Formanilide, N-methyl-4'-[(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-ylidene)amino]- chemical structure, C18H16N4O2, CAS 19362-42-6](/s/UGQAPHUZNIXBAI-UHFFFAOYSA-N.svg)
Formanilide, N-methyl-4'-[(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-ylidene)amino]-
CAS 19362-42-6C18H16N4O2
- Isoxazolo(4,5-d)pyrimidine-3-carboxamide, 4,5,6,7-tetrahydro-6,7-diphenyl-165611-07-4C18H16N4O2
- N,N-Dimethyl-4-[(E)-(4-nitro-1-naphthyl)diazenyl]aniline1081550-07-3C18H16N4O2
- 3-Amino-6-(3-(benzyloxy)phenyl)pyrazine-2-carboxamide625459-72-5C18H16N4O2
- N1-(2-methylquinolin-4-yl)-N2-(pyridin-4-ylmethyl)oxalamide941999-31-1C18H16N4O2
- N-(4-Methylphenyl)-N'-[4-(5-oxo-4,5-dihydropyrazin-2-yl)phenyl]urea89541-84-4C18H16N4O2
- 2-(6-Oxo-4-phenyl-1,6-dihydropyrimidin-1-yl)-N-[(pyridin-4-yl)methyl]acetamide1060199-87-2C18H16N4O2
- 2-[4-(4-Methylphenyl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-(pyridin-2-yl)acetamide1058423-58-7C18H16N4O2
- 2-[4-(4-Methylphenyl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-(pyridin-4-yl)acetamide1060202-62-1C18H16N4O2
- 9-Oxo-N-(pyridin-3-ylmethyl)-1,2,3,9-tetrahydropyrrolo[2,1-b]quinazoline-6-carboxamide1144438-40-3C18H16N4O2
- (S)-N-(1H-Benzo[d]imidazol-2-yl)-2-(1-oxoisoindolin-2-yl)propanamide1212333-65-7C18H16N4O2
- N-(4-(2-(Methylamino)-2-oxoethyl)phenyl)quinoxaline-2-carboxamide1210929-23-9C18H16N4O2
- N-(2-(6-Oxo-3-phenylpyridazin-1(6H)-yl)ethyl)nicotinamide921825-80-1C18H16N4O2
- N-(2-(6-Oxo-3-phenylpyridazin-1(6H)-yl)ethyl)isonicotinamide921873-33-8C18H16N4O2
- N-[3-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)propyl]-1-benzofuran-2-carboxamide1190265-97-4C18H16N4O2
- 2-(6-Oxo-3-phenylpyridazin-1(6H)-yl)-N-(pyridin-3-yl)propanamide1203115-03-0C18H16N4O2
- 2-(6-Oxo-3-phenylpyridazin-1(6H)-yl)-N-(pyridin-4-yl)propanamide1203262-33-2C18H16N4O2
- N-(6-Methylpyridin-2-yl)-2-(6-oxo-3-phenylpyridazin-1(6H)-yl)acetamide1232803-49-4C18H16N4O2
- 2-(2,3-Dihydro-1-benzofuran-6-yl)-N-[3-(1H-1,2,4-triazol-3-yl)phenyl]acetamide1401598-61-5C18H16N4O2
- 3,6-Dimethyl-N-(1-methyl-1H-indol-4-yl)[1,2]oxazolo[5,4-b]pyridine-4-carboxamide1351701-62-6C18H16N4O2
- N-(4-Carbamoylphenyl)-1-methyl-3-phenyl-1H-pyrazole-5-carboxamide1401578-59-3C18H16N4O2
- 1-(2-Phenoxypyrimidin-5-yl)-3-(p-tolyl)urea1396767-66-0C18H16N4O2
- N-(1H-Indol-5-yl)-4-(2-oxoimidazolidin-1-yl)benzamide1376266-53-3C18H16N4O2
- 2-(1H-Indazol-1-yl)-N-(2-oxo-1-phenylazetidin-3-yl)acetamide1796925-91-1C18H16N4O2
- N-(1H-Benzimidazol-2-ylmethyl)-2-(3-oxo-2,3-dihydro-1H-isoindol-1-yl)acetamide1574530-24-7C18H16N4O2
- (E)-3-(Furan-2-yl)-1-(3-(4-phenyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl)prop-2-en-1-one2035021-85-1C18H16N4O2
- Isoquinolin-1-yl(3-(pyridazin-3-yloxy)pyrrolidin-1-yl)methanone2034434-47-2C18H16N4O2
- N-({[2,3'-Bipyridine]-4-yl}methyl)-2-methoxypyridine-3-carboxamide2034561-99-2C18H16N4O2
- N-([2,4'-Bipyridin]-3-ylmethyl)-2-methoxynicotinamide2034320-93-7C18H16N4O2
- (3-(1H-Pyrazol-1-yl)phenyl)(3-(pyridin-3-yloxy)azetidin-1-yl)methanone1903225-65-9C18H16N4O2
- Pyrazin-2-yl(3-(quinolin-8-yloxy)pyrrolidin-1-yl)methanone1902979-97-8C18H16N4O2
- (3-(Pyridin-2-yloxy)pyrrolidin-1-yl)(quinoxalin-2-yl)methanone1904097-45-5C18H16N4O2
- (3-(Pyridin-2-yloxy)pyrrolidin-1-yl)(quinoxalin-6-yl)methanone1904220-82-1C18H16N4O2
- N-({[2,3'-Bipyridine]-3-yl}methyl)-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide1904010-73-6C18H16N4O2
- (3-(5-Phenyl-1,2,4-oxadiazol-3-yl)pyrrolidin-1-yl)(pyridin-2-yl)methanone2034353-12-1C18H16N4O2
- (3-(Pyridin-4-yloxy)pyrrolidin-1-yl)(quinoxalin-6-yl)methanone2034495-22-0C18H16N4O2
- N-([2,4'-Bipyridin]-4-ylmethyl)-6-methoxynicotinamide2034400-95-6C18H16N4O2
- N-(2-(Furan-2-yl)-2-(1H-pyrazol-1-yl)ethyl)-1H-indole-2-carboxamide2034544-34-6C18H16N4O2
- (3-(1,2,4-Oxadiazol-3-yl)-4-phenylpyrrolidin-1-yl)(pyridin-2-yl)methanone2034285-95-3C18H16N4O2
- N-[2-(2H-1,2,3-Triazol-2-yl)ethyl]-9H-xanthene-9-carboxamide2097930-15-7C18H16N4O2
- 3-(3-Oxo-3-(5H-pyrrolo[3,4-b]pyridin-6(7H)-yl)propyl)quinazolin-4(3H)-one2320576-89-2C18H16N4O2
- 3-Cyano-N-((2-(2-oxopyrrolidin-1-yl)pyridin-4-yl)methyl)benzamide2034388-36-6C18H16N4O2
- 2-(3-Cyclopropyl-6-oxopyridazin-1(6H)-yl)-N-(quinolin-5-yl)acetamide2034536-24-6C18H16N4O2
- N-((5-Cyclopropylpyridin-3-yl)methyl)-5-(pyridin-3-yl)isoxazole-3-carboxamide2034539-43-8C18H16N4O2
- N-[(2,3-Dihydro-1-benzofuran-3-yl)methyl]-2-phenyl-2H-1,2,3-triazole-4-carboxamide2097892-98-1C18H16N4O2
- N-{2-[4-(Furan-3-yl)-1H-pyrazol-1-yl]ethyl}-1H-indole-2-carboxamide2097893-10-0C18H16N4O2
- 2-{[1-(Pyridine-2-carbonyl)pyrrolidin-3-yl]oxy}quinoxaline2176152-30-8C18H16N4O2
- N-(3-Methylphenyl)-2-(2-oxo-2,3-dihydro-1H-imidazo[1,2-a]benzimidazol-3-yl)acetamide1169840-61-2C18H16N4O2
- 7-Hydroxy-6-methoxy-4-(2-methylindol-5-ylamino)quinazoline288385-46-6C18H16N4O2
- 4-(1,3-Dimethyl-2-oxo-3,4-dihydro-1,5-benzodiazepine-5-carbonyl)pyridine-2-carbonitrile2224489-25-0C18H16N4O2
- DB289 metabolite M4591736-09-3C18H16N4O2
- {2-[(2-Methyl-1H-benzimidazol-1-yl)methyl]-1H-benzimidazol-1-yl}acetic acid891450-20-7C18H16N4O2
- 3-(6-Methoxy-1,4-dimethyl-9H-carbazol-2-yl)acryloyl azide72237-90-2C18H16N4O2
- N-[4-(2-Methyl-4-oxopyrido[2,3-d]pyrimidin-3-yl)phenyl]cyclopropanecarboxamide941969-98-8C18H16N4O2
- 1H-Pyrazolo[4,3-c]isoquinoline, 7,8-dimethoxy-3-methyl-5-(2-pyridinyl)-645417-90-9C18H16N4O2
- 1H-Pyrazolo[4,3-c]isoquinoline, 7,8-dimethoxy-3-methyl-5-(3-pyridinyl)-645417-91-0C18H16N4O2
- 3-({2-[(Isoquinolin-6-yl)amino]-2-oxoethyl}amino)benzamide920513-35-5C18H16N4O2
- 9-Oxo-N-(pyridin-2-ylmethyl)-1,2,3,9-tetrahydropyrrolo[2,1-b]quinazoline-6-carboxamide1144480-96-5C18H16N4O2
- 9-Oxo-N-(pyridin-4-ylmethyl)-1,2,3,9-tetrahydropyrrolo[2,1-b]quinazoline-6-carboxamide1144451-32-0C18H16N4O2
- 4-Amino-3-quinolinecarboxylic acid 2-(4-methylbenzoyl)hydrazide1018151-20-6C18H16N4O2
- 1-(4-Methylphenyl)-4-[3-(pyridin-2-yl)-1,2,4-oxadiazol-5-yl]pyrrolidin-2-one946376-18-7C18H16N4O2
- 2-(6-Oxo-3-phenylpyridazin-1(6H)-yl)-N-(pyridin-4-ylmethyl)acetamide1219552-03-0C18H16N4O2
- 2-Isopropoxy-5-(3-(3-methylpyridin-4-yl)-1,2,4-oxadiazol-5-yl)benzonitrile1307381-09-4C18H16N4O2
- 2-[Benzyl(methyl)amino]-4-(pyridin-4-yl)pyrimidine-5-carboxylic acid1775440-77-1C18H16N4O2
- N-(3-Oxo-2,3,5,6,7,8-hexahydrocinnolin-6-yl)quinoline-6-carboxamide1903685-94-8C18H16N4O2
- 4-(3-Acrylamido-2-methylphenyl)-1H-pyrrolo[2,3-c]pyridine-7-carboxamide1643570-10-8C18H16N4O2
- 2-{[1-(Pyridine-4-carbonyl)pyrrolidin-3-yl]oxy}quinoxaline2097930-09-9C18H16N4O2
- 3-{[2,4'-Bipyridine]-5-yl}-1-(2-methoxyphenyl)urea2097863-05-1C18H16N4O2
- 4-(1H-Indole-6-carbonyl)-1-(pyridin-3-yl)piperazin-2-one2097903-30-3C18H16N4O2
- 2-Methoxy-N-{[3-(pyridin-3-yl)pyrazin-2-yl]methyl}benzamide2097864-75-8C18H16N4O2
- 4-(1H-Indole-2-carbonyl)-1-(pyridin-3-yl)piperazin-2-one2097888-97-4C18H16N4O2
- 3-Cyano-N-{[5-(2-oxopyrrolidin-1-yl)pyridin-3-yl]methyl}benzamide2097928-96-4C18H16N4O2
- 4-((3-Methyl-3H-diazirin-3-yl)methyl)-1,2-diphenylpyrazolidine-3,5-dione29301-73-3C18H16N4O2
- N-[1-(6-Cyanopyridine-3-carbonyl)-3,4-dihydro-2H-quinolin-3-yl]acetamide2224027-35-2C18H16N4O2
- 4-{[1-(Quinolin-4-yl)azetidin-3-yl]oxy}pyridine-2-carboxamide2549041-07-6C18H16N4O2
- N-Methyl-4-{4-[(pyridin-4-yl)amino]phenoxy}pyridine-2-carboxamide2460754-60-1C18H16N4O2
- 4-Isoxazolecarboxamide, 3,5-dimethyl-N-[4-[(1E)-2-phenyldiazenyl]phenyl]-1003469-43-9C18H16N4O2
Frequently asked questions
What is the molar mass of C18H16N4O2?
The molar mass of C18H16N4O2 is 320.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 320.1273 Da.
How many compounds have the formula C18H16N4O2?
CompoundList lists 246 compounds with the molecular formula C18H16N4O2, including 4-(3-Methylphenyl)-2-[(pyridin-4-ylmethyl)amino]pyrimidine-5-carboxylic acid, 7-(1,3-Benzodioxol-5-yl)-2-(tert-butyl)[1,2,4]triazolo[1,5-a]pyridine-8-carbonitrile, 6-(4-Nitrophenyl)-2-phenyl-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-c]pyridine. 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 C18H16N4O2?
C18H16N4O2 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.