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Molecular formula

C9H5NO3

40 compounds have this formula on CompoundList.

Molar mass
175.14g/mol
Monoisotopic mass
175.0269Da
Atoms
18
Elements
4
Rings plus double bonds
8

The formula C9H5NO3 describes a molecule made of 9 carbon atoms, 5 hydrogen atoms, 1 nitrogen atom and 3 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 × 961.72%
    12.011 × 9 = 108.099 g/mol
  • H Hydrogen × 52.88%
    1.008 × 5 = 5.040 g/mol
  • N Nitrogen × 18.00%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 327.40%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C9H5NO3

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

Showing 1 to 40 of 40 compounds

Isoquinoline-1,3,4-trione chemical structure, C9H5NO3, CAS 521-73-3
Isoquinoline-1,3,4-trione
CAS 521-73-3C9H5NO3
6-Nitroso-1,2-benzopyrone chemical structure, C9H5NO3, CAS 130506-22-8
6-Nitroso-1,2-benzopyrone
CAS 130506-22-8C9H5NO3
2-(Hydroxyimino)-1H-indene-1,3(2H)-dione chemical structure, C9H5NO3, CAS 13167-95-8
2-(Hydroxyimino)-1H-indene-1,3(2H)-dione
CAS 13167-95-8C9H5NO3
2-(4-Cyanophenyl)-2-oxoacetic acid chemical structure, C9H5NO3, CAS 76590-50-6
2-(4-Cyanophenyl)-2-oxoacetic acid
CAS 76590-50-6C9H5NO3
1-(4'-Nitrophenyl)prop-2-yn-1-one chemical structure, C9H5NO3, CAS 37176-75-3
1-(4'-Nitrophenyl)prop-2-yn-1-one
CAS 37176-75-3C9H5NO3
2,5,8(1H)-Quinolinetrione chemical structure, C9H5NO3, CAS 15450-73-4
2,5,8(1H)-Quinolinetrione
CAS 15450-73-4C9H5NO3
1H-Indene-1,3(2H)-dione, 2-nitroso- chemical structure, C9H5NO3, CAS 20854-76-6
1H-Indene-1,3(2H)-dione, 2-nitroso-
CAS 20854-76-6C9H5NO3
4-Cyano-2-formylbenzoic acid chemical structure, C9H5NO3, CAS 1260658-70-5
4-Cyano-2-formylbenzoic acid
CAS 1260658-70-5C9H5NO3
4-Nitro-inden-1-one chemical structure, C9H5NO3, CAS 16369-04-3
4-Nitro-inden-1-one
CAS 16369-04-3C9H5NO3
5-Cyano-1,3-benzodioxol-4-carboxaldehyde chemical structure, C9H5NO3, CAS 27711-69-9
5-Cyano-1,3-benzodioxol-4-carboxaldehyde
CAS 27711-69-9C9H5NO3
6-Nitro-1H-inden-1-one chemical structure, C9H5NO3, CAS 947701-67-9
6-Nitro-1H-inden-1-one
CAS 947701-67-9C9H5NO3
5H-1,3-Dioxolo[4,5-f]indol-2-one chemical structure, C9H5NO3, CAS 93578-30-4
5H-1,3-Dioxolo[4,5-f]indol-2-one
CAS 93578-30-4C9H5NO3
Benzo[d]oxazole-2,5-dicarbaldehyde chemical structure, C9H5NO3, CAS 1033202-93-5
Benzo[d]oxazole-2,5-dicarbaldehyde
CAS 1033202-93-5C9H5NO3
2,5,6(1H)-Quinolinetrione chemical structure, C9H5NO3, CAS 874499-19-1
2,5,6(1H)-Quinolinetrione
CAS 874499-19-1C9H5NO3
1,3-Dioxoisoindoline-2-carbaldehyde chemical structure, C9H5NO3, CAS 82524-62-7
1,3-Dioxoisoindoline-2-carbaldehyde
CAS 82524-62-7C9H5NO3
5-Hydroxyquinoline-7,8-dione chemical structure, C9H5NO3, CAS 34535-16-5
5-Hydroxyquinoline-7,8-dione
CAS 34535-16-5C9H5NO3
4-Hydroxyquinoline-5,8-dione chemical structure, C9H5NO3, CAS 115170-25-7
4-Hydroxyquinoline-5,8-dione
CAS 115170-25-7C9H5NO3
2,3-Dioxo-2,3-dihydro-1H-indole-1-carbaldehyde chemical structure, C9H5NO3, CAS 16499-55-1
2,3-Dioxo-2,3-dihydro-1H-indole-1-carbaldehyde
CAS 16499-55-1C9H5NO3
6-Cyano-1,3-benzodioxol-5-carboxaldehyde chemical structure, C9H5NO3, CAS 1970-22-5
6-Cyano-1,3-benzodioxol-5-carboxaldehyde
CAS 1970-22-5C9H5NO3
3-(4-Nitrophenyl)propiolaldehyde chemical structure, C9H5NO3, CAS 35487-34-4
3-(4-Nitrophenyl)propiolaldehyde
CAS 35487-34-4C9H5NO3
2-(2-Cyanophenyl)-2-oxoacetic acid chemical structure, C9H5NO3, CAS 1115390-18-5
2-(2-Cyanophenyl)-2-oxoacetic acid
CAS 1115390-18-5C9H5NO3
2-(3-Cyanophenyl)-2-oxoacetic acid chemical structure, C9H5NO3, CAS 1360877-55-9
2-(3-Cyanophenyl)-2-oxoacetic acid
CAS 1360877-55-9C9H5NO3
2-Cyano-4-formylbenzoic acid chemical structure, C9H5NO3, CAS 1289167-58-3
2-Cyano-4-formylbenzoic acid
CAS 1289167-58-3C9H5NO3
7-Nitroso-2H-1-benzopyran-2-one chemical structure, C9H5NO3, CAS 678159-66-5
7-Nitroso-2H-1-benzopyran-2-one
CAS 678159-66-5C9H5NO3

Frequently asked questions

What is the molar mass of C9H5NO3?

The molar mass of C9H5NO3 is 175.14 g/mol, calculated from standard atomic weights for 9 carbon atoms, 5 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 175.0269 Da.

How many compounds have the formula C9H5NO3?

CompoundList lists 40 compounds with the molecular formula C9H5NO3, including Isoquinoline-1,3,4-trione, 6-Nitroso-1,2-benzopyrone, 2-(Hydroxyimino)-1H-indene-1,3(2H)-dione. 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 C9H5NO3?

C9H5NO3 has a degree of unsaturation of 8. 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.