Molecular formula
C18H16N4O
154 compounds have this formula on CompoundList.
- Molar mass
- 304.35g/mol
- Monoisotopic mass
- 312.1826Da
- Atoms
- 39
- Elements
- 4
- Rings plus double bonds
- 13
The formula C18H16N4O describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. 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 × 1871.04%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 165.30%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 418.41%14.007 × 4 = 56.028 g/mol
- O Oxygen × 15.26%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C18H16N4O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 154 compounds
2,5-Bis(4-amidinophenyl)furan
CAS 73819-26-8C18H16N4O
2-(1H-Benzimidazol-2-yl)-5-methyl-4-(phenylmethyl)-4H-pyrazol-3-one
CAS 726201-08-7C18H16N4O
![7-(4-Methoxyphenyl)-5-phenyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine chemical structure, C18H16N4O, CAS 300838-44-2](/s/VGXDUIAFPFVOJK-UHFFFAOYSA-N.svg)
7-(4-Methoxyphenyl)-5-phenyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine
CAS 300838-44-2C18H16N4O
Eapb-0503
CAS 1140627-77-5C18H16N4O
2-Amino-3-(1-methylbenzimidazol-2-yl)-1-phenyl-2-pyrrolin-4-one
CAS 97426-85-2C18H16N4O
5-Amino-4-(1H-benzimidazol-2-yl)-2-methyl-1-phenyl-1,2-dihydro-3H-pyrrol-3-one
CAS 97427-29-7C18H16N4O
![2-(Naphthalen-2-ylamino)-N-[(E)-pyridin-4-ylmethylideneamino]acetamide chemical structure, C18H16N4O, CAS 121810-84-2](/s/PGNZFOIJGHQVEU-CIAFOILYSA-N.svg)
2-(Naphthalen-2-ylamino)-N-[(E)-pyridin-4-ylmethylideneamino]acetamide
CAS 121810-84-2C18H16N4O
![2-(Naphthalen-2-ylamino)-N-[(E)-pyridin-2-ylmethylideneamino]acetamide chemical structure, C18H16N4O, CAS 328541-63-5](/s/MRZYSDSYUMVKLT-CIAFOILYSA-N.svg)
2-(Naphthalen-2-ylamino)-N-[(E)-pyridin-2-ylmethylideneamino]acetamide
CAS 328541-63-5C18H16N4O
N-Benzyl-2-cyano-3-(5-cyano-1,2-dimethyl-1H-pyrrol-3-yl)prop-2-enamide
CAS 571162-05-5C18H16N4O
![5-[2-(4-Methoxyphenyl)diazenyl]-2-methyl-4-phenylpyrimidine chemical structure, C18H16N4O, CAS 338962-03-1](/s/YOLUOOUPJSQVGB-UHFFFAOYSA-N.svg)
5-[2-(4-Methoxyphenyl)diazenyl]-2-methyl-4-phenylpyrimidine
CAS 338962-03-1C18H16N4O
![4-Amino-N-[4-(pyridin-4-ylamino)phenyl]benzamide chemical structure, C18H16N4O, CAS 23625-78-7](/s/JSRRUKFZSFNXAC-UHFFFAOYSA-N.svg)
4-Amino-N-[4-(pyridin-4-ylamino)phenyl]benzamide
CAS 23625-78-7C18H16N4O
N-(3-(1-Benzyl-1H-1,2,3-triazol-4-yl)phenyl)prop-2-enamide
CAS 2305406-86-2C18H16N4O
![Methyl 4-[2-methyl-5-(2-phenyldiazenyl)-4-pyrimidinyl]phenyl ether chemical structure, C18H16N4O, CAS 338414-45-2](/s/YYWFBATXFXUFPP-UHFFFAOYSA-N.svg)
Methyl 4-[2-methyl-5-(2-phenyldiazenyl)-4-pyrimidinyl]phenyl ether
CAS 338414-45-2C18H16N4O
![2-{5-[3-(1,3-Oxazol-2-yl)phenyl]-1H-1,3-benzodiazol-2-yl}ethan-1-amine chemical structure, C18H16N4O, CAS 2731009-68-8](/s/PDAZZZHJGQKZOU-UHFFFAOYSA-N.svg)
2-{5-[3-(1,3-Oxazol-2-yl)phenyl]-1H-1,3-benzodiazol-2-yl}ethan-1-amine
CAS 2731009-68-8C18H16N4O
2-(2-(4-(Aminoiminomethyl)phenyl)ethenyl)-5-benzofurancarboximidamide
CAS 73819-50-8C18H16N4O
![N-[2-(1H-Indol-3-yl)ethyl]-1H-indazole-3-carboxamide chemical structure, C18H16N4O, CAS 677701-62-1](/s/JWIPKFXVVRUWAM-UHFFFAOYSA-N.svg)
N-[2-(1H-Indol-3-yl)ethyl]-1H-indazole-3-carboxamide
CAS 677701-62-1C18H16N4O
![2-(Naphthalen-1-ylamino)-N-[(E)-pyridin-2-ylmethylideneamino]acetamide chemical structure, C18H16N4O, CAS 328546-03-8](/s/DBNWWYYLYYRALC-CIAFOILYSA-N.svg)
2-(Naphthalen-1-ylamino)-N-[(E)-pyridin-2-ylmethylideneamino]acetamide
CAS 328546-03-8C18H16N4O
![1-(1H-Benzo[d]imidazol-2-yl)-4-benzyl-3-methyl-1H-pyrazol-5-ol chemical structure, C18H16N4O, CAS 1006582-11-1](/s/CETPVAKYBIKMHV-UHFFFAOYSA-N.svg)
1-(1H-Benzo[d]imidazol-2-yl)-4-benzyl-3-methyl-1H-pyrazol-5-ol
CAS 1006582-11-1C18H16N4O
4H-Imidazo(4,5-c)(1,8)naphthyridin-4-one, 3,5-dihydro-3-(1-methylethyl)-5-phenyl-
CAS 139339-10-9C18H16N4O
1-Benzimidazolyl-2-(N-hydroxyethyl)benzimidazolylethylene, (E)-
CAS 20208-21-3C18H16N4O
4H-Imidazo(4,5-c)(1,8)naphthyridin-4-one, 3,5-dihydro-5-phenyl-3-propyl-
CAS 139482-12-5C18H16N4O
4H-Imidazo(4,5-c)(1,8)naphthyridin-4-one, 1,5-dihydro-1-(1-methylethyl)-5-phenyl-
CAS 139339-07-4C18H16N4O
![4-(3,4-Dimethylphenoxy)-1-methyl-[1,2,4]triazolo[4,3-a]quinoxaline chemical structure, C18H16N4O, CAS 433944-69-5](/s/PYXYRQWVSVUEOF-UHFFFAOYSA-N.svg)
4-(3,4-Dimethylphenoxy)-1-methyl-[1,2,4]triazolo[4,3-a]quinoxaline
CAS 433944-69-5C18H16N4O
N-(1H-Indazol-6-yl)-2-(1-methyl-1H-indol-3-yl)acetamide
CAS 1286709-89-4C18H16N4O
- N-{4-[2-(Phenylamino)pyrimidin-4-yl]phenyl}acetamide945755-65-7C18H16N4O
- 6-[(Phenylcarbamoyl)amino]naphthalene-2-Carboximidamide220295-54-5C18H16N4O
- 7-Methyl-2-[(2-methyl-1H-benzimidazol-1-yl)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one790681-98-0C18H16N4O
- 3-Amino-N-benzyl-6-phenylpyrazine-2-carboxamide625459-24-7C18H16N4O
- 6-(2-Aminoethyl)-9-(1H-pyrazol-5-yl)benzo[h]isoquinolin-1(2H)-one919291-46-6C18H16N4O
- 6-(2-Aminoethyl)-9-(1H-pyrazol-4-yl)benzo[h]isoquinolin-1(2H)-one919291-44-4C18H16N4O
- 3-Amino-N-phenyl-6-(o-tolyl)pyrazine-2-carboxamide1232409-76-5C18H16N4O
- 2-[4-(3,5-Dimethyl-4-isoxazolyl)phenyl]-imidazo[1,2-a]pyridin-3-amine1635437-23-8C18H16N4O
- N-[3-(6-methyl-1H-indol-2-yl)-1H-indazol-6-yl]Acetamide1294513-98-6C18H16N4O
- N-[3-(6-methyl-1H-indol-2-yl)-1H-indazol-5-yl]Acetamide1294513-82-8C18H16N4O
- (E)-N'-(Naphthalen-1-ylmethylene)-1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carbohydrazide306986-75-4C18H16N4O
- N-(Cyanomethyl)-1,5-diphenyl-4,5-dihydro-1H-pyrazole-3-carboxamide1333608-16-4C18H16N4O
- N-Methyl-4-[2-(phenylamino)-4-pyrimidinyl]benzamide1026029-06-0C18H16N4O
- 1-(2-Benzofuranyl)-3-cyclobutylimidazo[1,5-a]pyrazin-8-amine936878-24-9C18H16N4O
- (E)-N'-(4-Methylbenzylidene)-3-phenyl-1H-pyrazole-5-carbohydrazide305354-11-4C18H16N4O
- N-(4-((6-Phenylpyrimidin-4-yl)amino)phenyl)acetamide914217-70-2C18H16N4O
- 1-(2-Methyl-4-pyridin-4-yl-1,4-dihydropyrimido[1,2-a]benzimidazol-3-yl)ethanone878667-23-3C18H16N4O
- 2,5-Dimethyl-6-(1-naphthylmethyl)[1,2,4]triazolo[1,5-a]pyrimidin-7(4H)-one876667-96-8C18H16N4O
- 1-[2-Methyl-4-(pyridin-2-yl)-1,4-dihydropyrimido[1,2-a]benzimidazol-3-yl]ethanone941263-78-1C18H16N4O
- 1-[2-Methyl-4-(pyridin-3-yl)-1,4-dihydropyrimido[1,2-a]benzimidazol-3-yl]ethanone941012-56-2C18H16N4O
- 1-(4-Methylpyridin-3-yl)-3-(quinolin-7-yl)imidazolidin-2-one1260007-96-2C18H16N4O
- 1-(Benzofuran-5-yl)-3-cyclobutylimidazo[1,5-a]pyrazin-8-amine1292807-14-7C18H16N4O
- 2-((2-Methyl-1H-benzo[d]imidazol-1-yl)methyl)-5-(p-tolyl)-1,3,4-oxadiazole902253-18-3C18H16N4O
- 1-Benzyl-5-(benzylamino)-2-oxo-2,3-dihydro-1H-imidazole-4-carbonitrile1240527-94-9C18H16N4O
- (4-(1H-Pyrazol-1-yl)pyridin-2-yl)(3,4-dihydroquinolin-1(2H)-yl)methanone1428378-45-3C18H16N4O
- 5-Amino-4-(1H-benzimidazol-2-yl)-1-benzyl-1,2-dihydro-3H-pyrrol-3-one150016-21-0C18H16N4O
- 2-(5-Methylfuran-2-yl)-N-(2-methylphenyl)imidazo[1,2-a]pyrazin-3-amine879591-38-5C18H16N4O
- 2-Ethyl-5-(1-(pyridin-3-ylmethyl)-1H-indol-2-yl)-1,3,4-oxadiazole921842-12-8C18H16N4O
- 5-Cyclopropyl-N,1-diphenyl-1H-1,2,3-triazole-4-carboxamide954828-67-2C18H16N4O
- 2-[(1-Oxo-7,8,9,10-tetrahydropyrazino[1,2-b]indazol-2(1H)-yl)methyl]benzonitrile1775529-42-4C18H16N4O
- N-Methyl-2-(4-methylphenyl)-4-(4-pyridinyl)-5-pyrimidinecarboxamide400077-55-6C18H16N4O
- N-Methyl-2-(4-methylphenyl)-4-(3-pyridinyl)-5-pyrimidinecarboxamide400077-59-0C18H16N4O
- (E)-3-(4-Methylanilino)-1-[4-(1,2,4-triazol-1-yl)phenyl]prop-2-en-1-one685107-73-7C18H16N4O
- 2-(1-(3-Methylbenzyl)-1H-1,2,4-triazol-3-yl)isoindolin-1-one938022-68-5C18H16N4O
- N-(4-((6-Methylpyridazin-3-yl)amino)phenyl)benzamide1171837-61-8C18H16N4O
- 1-Methyl-N-(2-methyl-1H-benzimidazol-5-yl)-1H-indole-2-carboxamide1219585-92-8C18H16N4O
- N-((1H-Benzo[d]imidazol-2-yl)methyl)-2-(1H-indol-1-yl)acetamide1235375-09-3C18H16N4O
- 1-(4-Methylpyridin-3-yl)-3-quinolin-6-ylimidazolidin-2-one1260006-10-7C18H16N4O
- 2-[2-[4-(2-Furanyl)-1-methyl-1H-imidazol-2-yl]ethyl]quinoxaline1351513-75-1C18H16N4O
- N-(3-{5H,6H,7H-Pyrrolo[1,2-A]imidazol-3-YL}phenyl)pyridine-2-carboxamide1421476-89-2C18H16N4O
- (4-(1H-Imidazol-1-yl)pyridin-2-yl)(3,4-dihydroquinolin-1(2H)-yl)methanone1428357-83-8C18H16N4O
- (7,8-Dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)(2-methylquinolin-8-yl)methanone1798040-15-9C18H16N4O
- (4-(1H-Pyrrol-1-yl)phenyl)(7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)methanone1797869-58-9C18H16N4O
- N-Ethyl-4-phenyl-2-(3-pyridinyl)-5-pyrimidinecarboxamide400079-49-4C18H16N4O
- N-Ethyl-4-phenyl-2-(4-pyridinyl)-5-pyrimidinecarboxamide400079-57-4C18H16N4O
- N,N-Dimethyl-4-phenyl-2-(4-pyridinyl)-5-pyrimidinecarboxamide400079-58-5C18H16N4O
- Piperidine, 1-((2-(dicyanomethyl)-4-quinolinyl)carbonyl)-194713-17-2C18H16N4O
- 4H-(1,2,4)Triazino(3,4-a)phthalazine, 7-ethoxy-3-phenyl-126650-71-3C18H16N4O
- N-(1H-1,2,3-Benzotriazol-1-ylmethyl)-N-(furan-2-ylmethyl)aniline128860-68-4C18H16N4O
- 2-Amino-3-(1H-benzimidazol-2-yl)-1-ethylquinolin-4(1H)-one569669-13-2C18H16N4O
- N-(1H-Benzimidazol-5-yl)-3-(1H-indol-3-yl)propanamide1219579-25-5C18H16N4O
- N-(1H-Benzimidazol-2-ylmethyl)-1-methyl-1H-indole-4-carboxamide1436003-28-9C18H16N4O
- 1-Methyl-N-(1-methyl-1H-benzimidazol-5-yl)-1H-indole-6-carboxamide1401593-47-2C18H16N4O
- N-(1H-Benzimidazol-2-ylmethyl)-1-methyl-1H-indole-5-carboxamide1435906-73-2C18H16N4O
- N-(4-{5H,6H,7H-Pyrrolo[1,2-A]imidazol-3-YL}phenyl)pyridine-2-carboxamide1421461-67-7C18H16N4O
- 5-(Propan-2-yl)-7-(pyrid-4-yl)-1,5-dihydro-4H-pyrazolo[4,3-c]quinolin-4-one1428434-17-6C18H16N4O
- N-(2,3-Dihydro-1H-inden-1-yl)-4-phenyl-1H-1,2,3-triazole-5-carboxamide1788830-44-3C18H16N4O
- 12-(1H-Indole-2-carbonyl)-4,6,12-triazatricyclo[7.2.1.0^{2,7}]dodeca-2(7),3,5-triene1903255-77-5C18H16N4O
- 4-[(1-Oxo-7,8,9,10-tetrahydropyrazino[1,2-b]indazol-2(1H)-yl)methyl]benzonitrile1775426-29-3C18H16N4O
- 3-[(1-Oxo-7,8,9,10-tetrahydropyrazino[1,2-b]indazol-2(1H)-yl)methyl]benzonitrile1775343-73-1C18H16N4O
- 1-Benzimidazolyl-2-(N-hydroxyethyl)benzimidazolylethylene, (Z)-24227-33-6C18H16N4O
- 1-N-([1]Benzofuro[3,2-d]pyrimidin-4-yl)-4-N,4-N-dimethylbenzene-1,4-diamine847269-28-7C18H16N4O
- Furamidine-d8336786-81-3C18H16N4O
- 2-Ethyl-5-(1-(pyridin-2-ylmethyl)-1H-indol-2-yl)-1,3,4-oxadiazole921547-25-3C18H16N4O
- 6-(6-Ethoxy-imidazo[1,2-b]pyridazin-3-ylmethyl)-quinoline1185765-00-7C18H16N4O
- 2-(1H-Indol-1-yl)-N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)acetamide1396680-67-3C18H16N4O
- N-Cyano-3-ethyl-N-[(5-phenyl-1,2,4-oxadiazol-3-yl)methyl]aniline1797000-61-3C18H16N4O
- N-(3-(1H-Pyrrolo[2,3-b]pyridin-1-yl)propyl)-3-cyanobenzamide1798511-69-9C18H16N4O
- 1-([2,3'-Bipyridin]-4-ylmethyl)-3-phenylurea2034407-34-4C18H16N4O
- N-({[2,3'-Bipyridine]-5-yl}methyl)-2-(pyridin-3-yl)acetamide2034210-40-5C18H16N4O
- N-({[2,4'-Bipyridine]-4-yl}methyl)-2-(pyridin-3-yl)acetamide2034305-89-8C18H16N4O
- Naphthalen-1-yl(3-(pyrimidin-2-ylamino)azetidin-1-yl)methanone2034223-09-9C18H16N4O
- 3-{[2,4'-Bipyridine]-5-yl}-1-(2-methylphenyl)urea2034463-92-6C18H16N4O
- N-[1-(Naphthalene-1-carbonyl)azetidin-3-yl]pyrimidin-4-amine2097918-14-2C18H16N4O
- 2-{5-[2-(1,3-Oxazol-2-yl)phenyl]-1H-1,3-benzodiazol-2-yl}ethan-1-amine2742656-07-9C18H16N4O
- 8-(2-Aminophenyl)-7-phenyl-2,3-dihydroimidazo[1,2-a]pyrimidin-5-one59897-71-1C18H16N4O
Frequently asked questions
What is the molar mass of C18H16N4O?
The molar mass of C18H16N4O is 304.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 312.1826 Da.
How many compounds have the formula C18H16N4O?
CompoundList lists 154 compounds with the molecular formula C18H16N4O, including 2,5-Bis(4-amidinophenyl)furan, 2-(1H-Benzimidazol-2-yl)-5-methyl-4-(phenylmethyl)-4H-pyrazol-3-one, 7-(4-Methoxyphenyl)-5-phenyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine. 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 C18H16N4O?
C18H16N4O 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.