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Molecular formula

C18H12N4

12 compounds have this formula on CompoundList.

Molar mass
284.32g/mol
Monoisotopic mass
284.1062Da
Atoms
34
Elements
3
Rings plus double bonds
15

The formula C18H12N4 describes a molecule made of 18 carbon atoms, 12 hydrogen atoms and 4 nitrogen 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 × 1876.04%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 124.25%
    1.008 × 12 = 12.096 g/mol
  • N Nitrogen × 419.71%
    14.007 × 4 = 56.028 g/mol
Look up another formula

Compounds with the formula C18H12N4

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

Showing 1 to 12 of 12 compounds

2,3-Bis(2-pyridyl)quinoxaline chemical structure, C18H12N4, CAS 23309-74-2
2,3-Bis(2-pyridyl)quinoxaline
CAS 23309-74-2C18H12N4
5,12-Dihydroquinoxalino[2,3-b]phenazine chemical structure, C18H12N4, CAS 531-47-5
5,12-Dihydroquinoxalino[2,3-b]phenazine
CAS 531-47-5C18H12N4
2-Amino-1,5-diphenyl-1H-pyrrole-3,4-dicarbonitrile chemical structure, C18H12N4, CAS 78563-59-4
2-Amino-1,5-diphenyl-1H-pyrrole-3,4-dicarbonitrile
CAS 78563-59-4C18H12N4
3-Biphenyl-4-yl-pyrido(3,4-e)(1,2,4)triazine chemical structure, C18H12N4, CAS 121845-61-2
3-Biphenyl-4-yl-pyrido(3,4-e)(1,2,4)triazine
CAS 121845-61-2C18H12N4
(1,2,4,5)Tetrazino(1,6-a:4,3-a')diisoquinoline chemical structure, C18H12N4, CAS 226-65-3
(1,2,4,5)Tetrazino(1,6-a:4,3-a')diisoquinoline
CAS 226-65-3C18H12N4
(1,2,4,5)Tetrazino(1,6-a:4,3-a'))diquinoline chemical structure, C18H12N4, CAS 13090-26-1
(1,2,4,5)Tetrazino(1,6-a:4,3-a'))diquinoline
CAS 13090-26-1C18H12N4
6,6'-Diazenediyldiquinoline chemical structure, C18H12N4, CAS 740-58-9
6,6'-Diazenediyldiquinoline
CAS 740-58-9C18H12N4
6,7-Diphenylpteridine chemical structure, C18H12N4, CAS 106582-53-0
6,7-Diphenylpteridine
CAS 106582-53-0C18H12N4
6-(4-Pyridazinyl)-4-(4-pyridinyl)quinoline chemical structure, C18H12N4, CAS 1086059-07-5
6-(4-Pyridazinyl)-4-(4-pyridinyl)quinoline
CAS 1086059-07-5C18H12N4
2-[(E)-Phenyldiazenyl]benzo[c]cinnoline chemical structure, C18H12N4, CAS 14790-12-6
2-[(E)-Phenyldiazenyl]benzo[c]cinnoline
CAS 14790-12-6C18H12N4
5,14-Dihydroquinoxalino[2,3-a]phenazine chemical structure, C18H12N4, CAS 821801-85-8
5,14-Dihydroquinoxalino[2,3-a]phenazine
CAS 821801-85-8C18H12N4
8,12-Dihydro-4H-3a2,4,8,12-tetraazadibenzo[cd,mn]pyrene chemical structure, C18H12N4, CAS 1694672-52-0
8,12-Dihydro-4H-3a2,4,8,12-tetraazadibenzo[cd,mn]pyrene
CAS 1694672-52-0C18H12N4

Frequently asked questions

What is the molar mass of C18H12N4?

The molar mass of C18H12N4 is 284.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 12 hydrogen atoms and 4 nitrogen atoms. The monoisotopic mass is 284.1062 Da.

How many compounds have the formula C18H12N4?

CompoundList lists 12 compounds with the molecular formula C18H12N4, including 2,3-Bis(2-pyridyl)quinoxaline, 5,12-Dihydroquinoxalino[2,3-b]phenazine, 2-Amino-1,5-diphenyl-1H-pyrrole-3,4-dicarbonitrile. 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 C18H12N4?

C18H12N4 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.