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Molecular formula

C28H20O

11 compounds have this formula on CompoundList.

Molar mass
372.47g/mol
Monoisotopic mass
372.1514Da
Atoms
49
Elements
3
Rings plus double bonds
19

The formula C28H20O describes a molecule made of 28 carbon atoms, 20 hydrogen 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 × 2890.29%
    12.011 × 28 = 336.308 g/mol
  • H Hydrogen × 205.41%
    1.008 × 20 = 20.160 g/mol
  • O Oxygen × 14.30%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C28H20O

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

Showing 1 to 11 of 11 compounds

Tetraphenylfuran chemical structure, C28H20O, CAS 1056-77-5
Tetraphenylfuran
CAS 1056-77-5C28H20O
14-(4-Methylphenyl)-14H-dibenzo[a,j]xanthene chemical structure, C28H20O, CAS 66596-04-1
14-(4-Methylphenyl)-14H-dibenzo[a,j]xanthene
CAS 66596-04-1C28H20O
2,5-Di([1,1'-biphenyl]-4-yl)furan chemical structure, C28H20O, CAS 93297-78-0
2,5-Di([1,1'-biphenyl]-4-yl)furan
CAS 93297-78-0C28H20O
1-(9,10-Diphenylanthracen-2-yl)ethan-1-one chemical structure, C28H20O, CAS 2026-21-3
1-(9,10-Diphenylanthracen-2-yl)ethan-1-one
CAS 2026-21-3C28H20O
2,3-Diphenyl-2,3-dihydrophenanthro[9,10-b]furan chemical structure, C28H20O, CAS 22648-81-3
2,3-Diphenyl-2,3-dihydrophenanthro[9,10-b]furan
CAS 22648-81-3C28H20O
1-(9H,9'H-[9,9'-Bifluoren]-2-yl)ethanone chemical structure, C28H20O, CAS 90020-78-3
1-(9H,9'H-[9,9'-Bifluoren]-2-yl)ethanone
CAS 90020-78-3C28H20O
Benzo(a)pyrene, 6-((phenylmethoxy)methyl)- chemical structure, C28H20O, CAS 53555-61-6
Benzo(a)pyrene, 6-((phenylmethoxy)methyl)-
CAS 53555-61-6C28H20O
Indeno[2,1-b]pyran, 9-(1H-inden-2-yl)-2-(4-methylphenyl)- chemical structure, C28H20O, CAS 62239-59-2
Indeno[2,1-b]pyran, 9-(1H-inden-2-yl)-2-(4-methylphenyl)-
CAS 62239-59-2C28H20O
Indeno[2,1-b]pyran, 9-(1H-inden-2-yl)-4-methyl-2-phenyl- chemical structure, C28H20O, CAS 62096-50-8
Indeno[2,1-b]pyran, 9-(1H-inden-2-yl)-4-methyl-2-phenyl-
CAS 62096-50-8C28H20O
(9H-Fluoren-9-yl)(9-methyl-9H-fluoren-9-yl)methanone chemical structure, C28H20O, CAS 62731-51-5
(9H-Fluoren-9-yl)(9-methyl-9H-fluoren-9-yl)methanone
CAS 62731-51-5C28H20O
9-(9-Methoxy-9H-fluoren-9-yl)anthracene chemical structure, C28H20O, CAS 1416372-02-5
9-(9-Methoxy-9H-fluoren-9-yl)anthracene
CAS 1416372-02-5C28H20O

Frequently asked questions

What is the molar mass of C28H20O?

The molar mass of C28H20O is 372.47 g/mol, calculated from standard atomic weights for 28 carbon atoms, 20 hydrogen atoms and 1 oxygen atom. The monoisotopic mass is 372.1514 Da.

How many compounds have the formula C28H20O?

CompoundList lists 11 compounds with the molecular formula C28H20O, including Tetraphenylfuran, 14-(4-Methylphenyl)-14H-dibenzo[a,j]xanthene, 2,5-Di([1,1'-biphenyl]-4-yl)furan. 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 C28H20O?

C28H20O has a degree of unsaturation of 19. 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.