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Molecular formula

C9H6O

15 compounds have this formula on CompoundList.

Molar mass
130.15g/mol
Monoisotopic mass
130.0419Da
Atoms
16
Elements
3
Rings plus double bonds
7

The formula C9H6O describes a molecule made of 9 carbon atoms, 6 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 × 983.06%
    12.011 × 9 = 108.099 g/mol
  • H Hydrogen × 64.65%
    1.008 × 6 = 6.048 g/mol
  • O Oxygen × 112.29%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C9H6O

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

Showing 1 to 15 of 15 compounds

1H-Inden-1-one chemical structure, C9H6O, CAS 480-90-0
1H-Inden-1-one
CAS 480-90-0C9H6O
2-Ethynylbenzaldehyde chemical structure, C9H6O, CAS 38846-64-9
2-Ethynylbenzaldehyde
CAS 38846-64-9C9H6O
3-Oxo-3-phenylpropyne chemical structure, C9H6O, CAS 3623-15-2
3-Oxo-3-phenylpropyne
CAS 3623-15-2C9H6O
Phenylpropynal chemical structure, C9H6O, CAS 2579-22-8
Phenylpropynal
CAS 2579-22-8C9H6O
4-Ethynylbenzaldehyde chemical structure, C9H6O, CAS 63697-96-1
4-Ethynylbenzaldehyde
CAS 63697-96-1C9H6O
3-Ethynylbenzaldehyde chemical structure, C9H6O, CAS 77123-56-9
3-Ethynylbenzaldehyde
CAS 77123-56-9C9H6O
1,2-Epoxyindene chemical structure, C9H6O, CAS 5796-50-9
1,2-Epoxyindene
CAS 5796-50-9C9H6O
2H-Inden-2-one chemical structure, C9H6O, CAS 93465-07-7
2H-Inden-2-one
CAS 93465-07-7C9H6O
8-Methylidenebicyclo[4.2.0]octa-1,3,5-trien-7-one chemical structure, C9H6O, CAS 88180-40-9
8-Methylidenebicyclo[4.2.0]octa-1,3,5-trien-7-one
CAS 88180-40-9C9H6O
Bicyclo[4.2.0]octa-1(6),2,4,7-tetraene-3-carbaldehyde chemical structure, C9H6O, CAS 1279866-08-8
Bicyclo[4.2.0]octa-1(6),2,4,7-tetraene-3-carbaldehyde
CAS 1279866-08-8C9H6O
2,3-Di(1-propynyl)-2-cyclopropen-1-one chemical structure, C9H6O, CAS 125358-15-8
2,3-Di(1-propynyl)-2-cyclopropen-1-one
CAS 125358-15-8C9H6O
1,2-Propadien-1-one, 3-phenyl-(9CI) chemical structure, C9H6O, CAS 171859-61-3
1,2-Propadien-1-one, 3-phenyl-(9CI)
CAS 171859-61-3C9H6O
2-(2-Ethynyl-2,4-cyclopentadien-1-ylidene)ethenol chemical structure, C9H6O, CAS 393561-91-6
2-(2-Ethynyl-2,4-cyclopentadien-1-ylidene)ethenol
CAS 393561-91-6C9H6O
(6-Methylene-2,4-cyclohexadien-1-ylidene)ethenone chemical structure, C9H6O, CAS 57912-04-6
(6-Methylene-2,4-cyclohexadien-1-ylidene)ethenone
CAS 57912-04-6C9H6O
Nona-1,6-diene-3,8-diyn-5-one chemical structure, C9H6O, CAS 881038-11-5
Nona-1,6-diene-3,8-diyn-5-one
CAS 881038-11-5C9H6O

Frequently asked questions

What is the molar mass of C9H6O?

The molar mass of C9H6O is 130.15 g/mol, calculated from standard atomic weights for 9 carbon atoms, 6 hydrogen atoms and 1 oxygen atom. The monoisotopic mass is 130.0419 Da.

How many compounds have the formula C9H6O?

CompoundList lists 15 compounds with the molecular formula C9H6O, including 1H-Inden-1-one, 2-Ethynylbenzaldehyde, 3-Oxo-3-phenylpropyne. 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 C9H6O?

C9H6O has a degree of unsaturation of 7. 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.