Molecular formula

C₁₈H₁₀O₂

31 compounds have this formula on CompoundList.

Molar mass: 258.28g/mol
Monoisotopic mass: 258.0681Da
Atoms: 30
Elements: 3
Rings plus double bonds: 14

The formula C18H10O2 describes a molecule made of 18 carbon atoms, 10 hydrogen atoms and 2 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 × 1883.71%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 103.90%
1.008 × 10 = 10.080 g/mol
O Oxygen × 212.39%
15.999 × 2 = 31.998 g/mol

Look up another formula

Compounds with the formula C18H10O2

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

Showing 1 to 31 of 31 compounds

Benz(a)anthracene-7,12-dione

CAS 2498-66-0C₁₈H₁₀O₂

5,12-Naphthacenedione

CAS 1090-13-7C₁₈H₁₀O₂

1,4-Chrysenedione

CAS 100900-16-1C₁₈H₁₀O₂

5,6-Chrysenequinone

CAS 2051-10-7C₁₈H₁₀O₂

Benz(A)anthracene-5,6-dione

CAS 18508-00-4C₁₈H₁₀O₂

Benz(a)anthracene-3,4-dione

CAS 74877-25-1C₁₈H₁₀O₂

Pyrene glyoxal

CAS 129786-60-3C₁₈H₁₀O₂

Tetracene-1,4-dione

CAS 15098-01-8C₁₈H₁₀O₂

1,2-Chrysenedione

CAS 2304-83-8C₁₈H₁₀O₂

5-(Phenylethynyl)naphthalene-1,4-dione

CAS 94849-08-8C₁₈H₁₀O₂

Benzo(1,2-b:4,5-b')bisbenzofuran

CAS 208-37-7C₁₈H₁₀O₂

4,4'-(Buta-1,3-diyne-1,4-diyl)dibenzaldehyde

CAS 127653-16-1C₁₈H₁₀O₂

Pyrene-1,6-dicarbaldehyde

CAS 252338-01-5C₁₈H₁₀O₂

Benzo[1,2-b:5,4-b']bisbenzofuran

CAS 241-36-1C₁₈H₁₀O₂

1,2-Triphenylenedione

CAS 82120-28-3C₁₈H₁₀O₂

Benzo[2,1-b:3,4-b']bisbenzofuran

CAS 222-23-1C₁₈H₁₀O₂

1,5-Hexadiyne-3,4-dione, 1,6-diphenyl-

CAS 180967-67-3C₁₈H₁₀O₂

Pyrene-2,7-dicarbaldehyde

CAS 43213-20-3C₁₈H₁₀O₂

Tetracene-5,11-dione

CAS 52755-65-4C₁₈H₁₀O₂

Benzo[c]phenanthrene-1,4-dione

CAS 109699-80-1C₁₈H₁₀O₂

Benzo[c]phenanthrene-5,6-dione

CAS 734-41-8C₁₈H₁₀O₂

3,4-Chrysenedione

CAS 103088-83-1C₁₈H₁₀O₂

Benz(a)anthracene-1,2-dione

CAS 82120-27-2C₁₈H₁₀O₂

Naphth[2,3-a]azulene-5,12-dione

CAS 76319-75-0C₁₈H₁₀O₂

Frequently asked questions

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What is the molar mass of C18H10O2?

The molar mass of C18H10O2 is 258.28 g/mol, calculated from standard atomic weights for 18 carbon atoms, 10 hydrogen atoms and 2 oxygen atoms. The monoisotopic mass is 258.0681 Da.

How many compounds have the formula C18H10O2?

CompoundList lists 31 compounds with the molecular formula C18H10O2, including Benz(a)anthracene-7,12-dione, 5,12-Naphthacenedione, 1,4-Chrysenedione. 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 C18H10O2?

C18H10O2 has a degree of unsaturation of 14. 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.