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Molecular formula

C18H12N4O4

60 compounds have this formula on CompoundList.

Molar mass
348.32g/mol
Monoisotopic mass
348.0859Da
Atoms
38
Elements
4
Rings plus double bonds
15

The formula C18H12N4O4 describes a molecule made of 18 carbon atoms, 12 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 × 1862.07%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 123.47%
    1.008 × 12 = 12.096 g/mol
  • N Nitrogen × 416.09%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 418.37%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C18H12N4O4

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 60 of 60 compounds

10-(4-Methylphenyl)-7-nitropyrimido[4,5-b]quinoline-2,4-dione chemical structure, C18H12N4O4, CAS 310421-56-8
10-(4-Methylphenyl)-7-nitropyrimido[4,5-b]quinoline-2,4-dione
CAS 310421-56-8C18H12N4O4
2,4-Toluene diisocyanate dimer chemical structure, C18H12N4O4, CAS 26747-90-0
2,4-Toluene diisocyanate dimer
CAS 26747-90-0C18H12N4O4
N-(5H-Chromeno[4,3-d]pyrimidin-2-yl)-3-nitrobenzenecarboxamide chemical structure, C18H12N4O4, CAS 866041-29-4
N-(5H-Chromeno[4,3-d]pyrimidin-2-yl)-3-nitrobenzenecarboxamide
CAS 866041-29-4C18H12N4O4
N-(4-(1H-Benzo[d]imidazol-2-yl)phenyl)-5-nitrofuran-2-carboxamide chemical structure, C18H12N4O4, CAS 477538-09-3
N-(4-(1H-Benzo[d]imidazol-2-yl)phenyl)-5-nitrofuran-2-carboxamide
CAS 477538-09-3C18H12N4O4
1,3-Dioxo-2-[4-(1H-1,2,4-triazol-1-ylmethyl)phenyl]isoindoline-5-carboxylic acid chemical structure, C18H12N4O4, CAS 1092333-06-6
1,3-Dioxo-2-[4-(1H-1,2,4-triazol-1-ylmethyl)phenyl]isoindoline-5-carboxylic acid
CAS 1092333-06-6C18H12N4O4
1,3-Diazetidine-2,4-dione, 1,3-bis(4-isocyanato-3-methylphenyl)- chemical structure, C18H12N4O4, CAS 68555-56-6
1,3-Diazetidine-2,4-dione, 1,3-bis(4-isocyanato-3-methylphenyl)-
CAS 68555-56-6C18H12N4O4
4(3H)-Quinazolinone, 3-(3-methyl-5-isoxazolyl)-2-(4-nitrophenyl)- chemical structure, C18H12N4O4, CAS 90059-42-0
4(3H)-Quinazolinone, 3-(3-methyl-5-isoxazolyl)-2-(4-nitrophenyl)-
CAS 90059-42-0C18H12N4O4
4(3H)-Quinazolinone, 3-(3-methyl-5-isoxazolyl)-2-(2-nitrophenyl)- chemical structure, C18H12N4O4, CAS 90059-41-9
4(3H)-Quinazolinone, 3-(3-methyl-5-isoxazolyl)-2-(2-nitrophenyl)-
CAS 90059-41-9C18H12N4O4
N-(3-(1H-Benzo[d]imidazol-2-yl)phenyl)-5-nitrofuran-2-carboxamide chemical structure, C18H12N4O4, CAS 477493-33-7
N-(3-(1H-Benzo[d]imidazol-2-yl)phenyl)-5-nitrofuran-2-carboxamide
CAS 477493-33-7C18H12N4O4
4-Cyano-N-[5-(2,3-dihydro-1,4-benzodioxin-6-yl)-1,3,4-oxadiazol-2-yl]benzamide chemical structure, C18H12N4O4, CAS 862808-39-7
4-Cyano-N-[5-(2,3-dihydro-1,4-benzodioxin-6-yl)-1,3,4-oxadiazol-2-yl]benzamide
CAS 862808-39-7C18H12N4O4
Benzene, 2,4-diisocyanato-1-methyl-, dimer chemical structure, C18H12N4O4, CAS 6144-18-9
Benzene, 2,4-diisocyanato-1-methyl-, dimer
CAS 6144-18-9C18H12N4O4
N-(5H-Chromeno[4,3-d]pyrimidin-2-yl)-4-nitrobenzenecarboxamide chemical structure, C18H12N4O4, CAS 882747-75-3
N-(5H-Chromeno[4,3-d]pyrimidin-2-yl)-4-nitrobenzenecarboxamide
CAS 882747-75-3C18H12N4O4
2-[4-Oxo-1,2,3-benzotriazin-3(4H)-yl]-N~1~-(2-oxo-2H-chromen-6-yl)acetamide chemical structure, C18H12N4O4, CAS 919725-60-3
2-[4-Oxo-1,2,3-benzotriazin-3(4H)-yl]-N~1~-(2-oxo-2H-chromen-6-yl)acetamide
CAS 919725-60-3C18H12N4O4
5-(Furan-2-yl)-N-(2-(6-oxo-1,6-dihydropyridazin-3-yl)phenyl)isoxazole-3-carboxamide chemical structure, C18H12N4O4, CAS 1797079-16-3
5-(Furan-2-yl)-N-(2-(6-oxo-1,6-dihydropyridazin-3-yl)phenyl)isoxazole-3-carboxamide
CAS 1797079-16-3C18H12N4O4
3-{3-Nitro-4-methoxyphenyl}-2-(4-oxo-3,4-dihydro-2-quinazolinyl)acrylonitrile chemical structure, C18H12N4O4, CAS 307533-79-5
3-{3-Nitro-4-methoxyphenyl}-2-(4-oxo-3,4-dihydro-2-quinazolinyl)acrylonitrile
CAS 307533-79-5C18H12N4O4
1,3-Bis(5-isocyanato-2-methylphenyl)-1,3-diazetidine-2,4-dione chemical structure, C18H12N4O4, CAS 5393-85-1
1,3-Bis(5-isocyanato-2-methylphenyl)-1,3-diazetidine-2,4-dione
CAS 5393-85-1C18H12N4O4
5(4H)-Isoxazolone, 4,4'-azobis[3-phenyl- chemical structure, C18H12N4O4, CAS 56666-60-5
5(4H)-Isoxazolone, 4,4'-azobis[3-phenyl-
CAS 56666-60-5C18H12N4O4
2-(4-(2,2-Dicyanovinyl)phenoxy)-N-(3-nitrophenyl)acetamide chemical structure, C18H12N4O4, CAS 331962-84-6
2-(4-(2,2-Dicyanovinyl)phenoxy)-N-(3-nitrophenyl)acetamide
CAS 331962-84-6C18H12N4O4
N-(5-(Isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-4-phenoxybenzamide chemical structure, C18H12N4O4, CAS 946208-09-9
N-(5-(Isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-4-phenoxybenzamide
CAS 946208-09-9C18H12N4O4
N-(5-(Isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-3-phenoxybenzamide chemical structure, C18H12N4O4, CAS 946312-93-2
N-(5-(Isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-3-phenoxybenzamide
CAS 946312-93-2C18H12N4O4
5-(5-Nitro-3,4-diphenyl-2-furanyl)-1,3,4-oxadiazol-2-amine chemical structure, C18H12N4O4, CAS 77720-36-6
5-(5-Nitro-3,4-diphenyl-2-furanyl)-1,3,4-oxadiazol-2-amine
CAS 77720-36-6C18H12N4O4
4,5-Isoxazoledione, 3-phenyl-, 4-[(2,5-dihydro-5-oxo-3-phenyl-4-isoxazolyl)hydrazone], (Z)- chemical structure, C18H12N4O4, CAS 71111-16-5
4,5-Isoxazoledione, 3-phenyl-, 4-[(2,5-dihydro-5-oxo-3-phenyl-4-isoxazolyl)hydrazone], (Z)-
CAS 71111-16-5C18H12N4O4
3-(4-Methylphenyl)-5-[3-(4-nitrophenyl)-1,2-oxazol-5-yl]-1,2,4-oxadiazole chemical structure, C18H12N4O4, CAS 919117-48-9
3-(4-Methylphenyl)-5-[3-(4-nitrophenyl)-1,2-oxazol-5-yl]-1,2,4-oxadiazole
CAS 919117-48-9C18H12N4O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-methyl-1-(pyridin-2-yl)-1H-pyrazole-4-carboxylate chemical structure, C18H12N4O4, CAS 2248394-06-9
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-methyl-1-(pyridin-2-yl)-1H-pyrazole-4-carboxylate
CAS 2248394-06-9C18H12N4O4

Frequently asked questions

What is the molar mass of C18H12N4O4?

The molar mass of C18H12N4O4 is 348.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 12 hydrogen atoms, 4 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 348.0859 Da.

How many compounds have the formula C18H12N4O4?

CompoundList lists 60 compounds with the molecular formula C18H12N4O4, including 10-(4-Methylphenyl)-7-nitropyrimido[4,5-b]quinoline-2,4-dione, 2,4-Toluene diisocyanate dimer, N-(5H-Chromeno[4,3-d]pyrimidin-2-yl)-3-nitrobenzenecarboxamide. 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 C18H12N4O4?

C18H12N4O4 has a degree of unsaturation of 15. 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.