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Molecular formula

C40H26N8

6 compounds have this formula on CompoundList.

Molar mass
618.70g/mol
Monoisotopic mass
618.2280Da
Atoms
74
Elements
3
Rings plus double bonds
32

The formula C40H26N8 describes a molecule made of 40 carbon atoms, 26 hydrogen atoms and 8 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 × 4077.65%
    12.011 × 40 = 480.440 g/mol
  • H Hydrogen × 264.24%
    1.008 × 26 = 26.208 g/mol
  • N Nitrogen × 818.11%
    14.007 × 8 = 112.056 g/mol
Look up another formula

Compounds with the formula C40H26N8

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

Showing 1 to 6 of 6 compounds

5,10,15,20-Tetra(4-pyridyl)porphyrin chemical structure, C40H26N8, CAS 16834-13-2
5,10,15,20-Tetra(4-pyridyl)porphyrin
CAS 16834-13-2C40H26N8
5,10,15,20-Tetrakis(2-pyridyl)porphyrin chemical structure, C40H26N8, CAS 40904-90-3
5,10,15,20-Tetrakis(2-pyridyl)porphyrin
CAS 40904-90-3C40H26N8
Tetra(3-pyridyl)porphyrin chemical structure, C40H26N8, CAS 40882-83-5
Tetra(3-pyridyl)porphyrin
CAS 40882-83-5C40H26N8
3,3',5,5'-Tetrakis(1H-benzo[d]imidazol-2-yl)-1,1'-biphenyl chemical structure, C40H26N8, CAS 1572338-07-8
3,3',5,5'-Tetrakis(1H-benzo[d]imidazol-2-yl)-1,1'-biphenyl
CAS 1572338-07-8C40H26N8
2,2'-Bis(5,6-diphenyl-1,2,4-triazin-3-yl)-4,4'-bipyridine chemical structure, C40H26N8, CAS 581806-34-0
2,2'-Bis(5,6-diphenyl-1,2,4-triazin-3-yl)-4,4'-bipyridine
CAS 581806-34-0C40H26N8
2-Phenyl-4,6-bis(6-pyridin-2-yl-4-pyridin-3-yl-2-pyridinyl)pyrimidine chemical structure, C40H26N8, CAS 425368-14-5
2-Phenyl-4,6-bis(6-pyridin-2-yl-4-pyridin-3-yl-2-pyridinyl)pyrimidine
CAS 425368-14-5C40H26N8

Frequently asked questions

What is the molar mass of C40H26N8?

The molar mass of C40H26N8 is 618.70 g/mol, calculated from standard atomic weights for 40 carbon atoms, 26 hydrogen atoms and 8 nitrogen atoms. The monoisotopic mass is 618.2280 Da.

How many compounds have the formula C40H26N8?

CompoundList lists 6 compounds with the molecular formula C40H26N8, including 5,10,15,20-Tetra(4-pyridyl)porphyrin, 5,10,15,20-Tetrakis(2-pyridyl)porphyrin, Tetra(3-pyridyl)porphyrin. 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 C40H26N8?

C40H26N8 has a degree of unsaturation of 32. 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.