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Molecular formula

C20H13N3O3

27 compounds have this formula on CompoundList.

Molar mass
343.34g/mol
Monoisotopic mass
343.0957Da
Atoms
39
Elements
4
Rings plus double bonds
16

The formula C20H13N3O3 describes a molecule made of 20 carbon atoms, 13 hydrogen atoms, 3 nitrogen atoms 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 × 2069.97%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 133.82%
    1.008 × 13 = 13.104 g/mol
  • N Nitrogen × 312.24%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 313.98%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C20H13N3O3

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

Showing 1 to 27 of 27 compounds

Violacein chemical structure, C20H13N3O3, CAS 548-54-9
Violacein
CAS 548-54-9C20H13N3O3
2-(4-Nitrophenyl)-3-phenylquinazolin-4-one chemical structure, C20H13N3O3, CAS 36567-86-9
2-(4-Nitrophenyl)-3-phenylquinazolin-4-one
CAS 36567-86-9C20H13N3O3
2-Amino-4-(3-nitrophenyl)-4H-benzo[h]chromene-3-carbonitrile chemical structure, C20H13N3O3, CAS 149550-36-7
2-Amino-4-(3-nitrophenyl)-4H-benzo[h]chromene-3-carbonitrile
CAS 149550-36-7C20H13N3O3
Hyrtiosulawesine chemical structure, C20H13N3O3, CAS 452067-33-3
Hyrtiosulawesine
CAS 452067-33-3C20H13N3O3
(3aR,6aS)-5-Naphthalen-2-yl-3-pyridin-3-yl-3a,6a-dihydropyrrolo[3,4-d][1,2]oxazole-4,6-dione chemical structure, C20H13N3O3, CAS 1212164-26-5
(3aR,6aS)-5-Naphthalen-2-yl-3-pyridin-3-yl-3a,6a-dihydropyrrolo[3,4-d][1,2]oxazole-4,6-dione
CAS 1212164-26-5C20H13N3O3
3-Amino-1-(3-nitrophenyl)-1H-benzo[f]chromene-2-carbonitrile chemical structure, C20H13N3O3, CAS 111861-48-4
3-Amino-1-(3-nitrophenyl)-1H-benzo[f]chromene-2-carbonitrile
CAS 111861-48-4C20H13N3O3
3-[(4-Cyanophenyl)methylidene]-9-oxo-1H,2H,3H,9H-pyrrolo[2,1-b]quinazoline-6-carboxylic acid chemical structure, C20H13N3O3, CAS 745808-28-0
3-[(4-Cyanophenyl)methylidene]-9-oxo-1H,2H,3H,9H-pyrrolo[2,1-b]quinazoline-6-carboxylic acid
CAS 745808-28-0C20H13N3O3
1H-Pyrrole-2,5-dione, 1-hydroxy-3,4-di-1H-indol-3-yl- chemical structure, C20H13N3O3, CAS 137108-08-8
1H-Pyrrole-2,5-dione, 1-hydroxy-3,4-di-1H-indol-3-yl-
CAS 137108-08-8C20H13N3O3
4H-Naphtho[1,2-b]pyran-3-carbonitrile, 2-amino-4-(4-nitrophenyl)- chemical structure, C20H13N3O3, CAS 149550-37-8
4H-Naphtho[1,2-b]pyran-3-carbonitrile, 2-amino-4-(4-nitrophenyl)-
CAS 149550-37-8C20H13N3O3
4-(4-Nitrophenoxy)-2-phenylquinazoline chemical structure, C20H13N3O3, CAS 18600-28-7
4-(4-Nitrophenoxy)-2-phenylquinazoline
CAS 18600-28-7C20H13N3O3
(E)-2-(1-Methyl-1,3-dihydro-2H-1,3-benzimidazol-2-ylidene)-3-oxo-3-(4-oxo-4H-chromen-3-yl)propiononitrile chemical structure, C20H13N3O3, CAS 477553-99-4
(E)-2-(1-Methyl-1,3-dihydro-2H-1,3-benzimidazol-2-ylidene)-3-oxo-3-(4-oxo-4H-chromen-3-yl)propiononitrile
CAS 477553-99-4C20H13N3O3
3-(2-Nitrophenyl)-2-phenylquinazolin-4-one chemical structure, C20H13N3O3, CAS 361185-53-7
3-(2-Nitrophenyl)-2-phenylquinazolin-4-one
CAS 361185-53-7C20H13N3O3
N-(5,8-Dihydro-5,8-dioxo-2-(quinolin-8-yl)quinolin-7-yl)acetamide chemical structure, C20H13N3O3, CAS 1432063-21-2
N-(5,8-Dihydro-5,8-dioxo-2-(quinolin-8-yl)quinolin-7-yl)acetamide
CAS 1432063-21-2C20H13N3O3
4-(1,3-Dioxoisoindolin-2-yl)-N-(pyridin-4-yl)benzamide chemical structure, C20H13N3O3, CAS 955299-30-6
4-(1,3-Dioxoisoindolin-2-yl)-N-(pyridin-4-yl)benzamide
CAS 955299-30-6C20H13N3O3
4-(1,3-Dioxoisoindolin-2-yl)-N-(pyridin-2-yl)benzamide chemical structure, C20H13N3O3, CAS 674803-44-2
4-(1,3-Dioxoisoindolin-2-yl)-N-(pyridin-2-yl)benzamide
CAS 674803-44-2C20H13N3O3
4-(1,3-Dioxoisoindolin-2-yl)-N-(pyridin-3-yl)benzamide chemical structure, C20H13N3O3, CAS 955299-34-0
4-(1,3-Dioxoisoindolin-2-yl)-N-(pyridin-3-yl)benzamide
CAS 955299-34-0C20H13N3O3
2-(4-Nitrophenyl)-4-phenyl-1(2H)-phthalazinone chemical structure, C20H13N3O3, CAS 57709-78-1
2-(4-Nitrophenyl)-4-phenyl-1(2H)-phthalazinone
CAS 57709-78-1C20H13N3O3
3-(3-Nitrophenyl)-5-(4-phenylphenyl)-1,2,4-oxadiazole chemical structure, C20H13N3O3, CAS 381714-41-6
3-(3-Nitrophenyl)-5-(4-phenylphenyl)-1,2,4-oxadiazole
CAS 381714-41-6C20H13N3O3
4-[4-(2-Pyridinyl)-2-pyrimidinyl]phenyl 2-furoate chemical structure, C20H13N3O3, CAS 477857-31-1
4-[4-(2-Pyridinyl)-2-pyrimidinyl]phenyl 2-furoate
CAS 477857-31-1C20H13N3O3
3-Amino-1-(4-nitrophenyl)-1H-benzo[f]chromene-2-carbonitrile chemical structure, C20H13N3O3, CAS 159685-73-1
3-Amino-1-(4-nitrophenyl)-1H-benzo[f]chromene-2-carbonitrile
CAS 159685-73-1C20H13N3O3
(Z)-2-(1,3-Benzodioxol-5-yl)-3-[3-(2-pyrimidinyloxy)phenyl]-2-propenenitrile chemical structure, C20H13N3O3, CAS 861210-06-2
(Z)-2-(1,3-Benzodioxol-5-yl)-3-[3-(2-pyrimidinyloxy)phenyl]-2-propenenitrile
CAS 861210-06-2C20H13N3O3
3-[(4-Nitrobenzyl)oxy]pyrido[1,2-a]indole-10-carbonitrile chemical structure, C20H13N3O3, CAS 339107-08-3
3-[(4-Nitrobenzyl)oxy]pyrido[1,2-a]indole-10-carbonitrile
CAS 339107-08-3C20H13N3O3
2-[4-(4-Nitrophenoxy)phenyl]quinoxaline chemical structure, C20H13N3O3, CAS 1245-70-1
2-[4-(4-Nitrophenoxy)phenyl]quinoxaline
CAS 1245-70-1C20H13N3O3
4-[3-(Pyridin-4-yl)-1,2,4-oxadiazol-5-yl]phenyl benzoate chemical structure, C20H13N3O3, CAS 364623-43-8
4-[3-(Pyridin-4-yl)-1,2,4-oxadiazol-5-yl]phenyl benzoate
CAS 364623-43-8C20H13N3O3

Frequently asked questions

What is the molar mass of C20H13N3O3?

The molar mass of C20H13N3O3 is 343.34 g/mol, calculated from standard atomic weights for 20 carbon atoms, 13 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 343.0957 Da.

How many compounds have the formula C20H13N3O3?

CompoundList lists 27 compounds with the molecular formula C20H13N3O3, including Violacein, 2-(4-Nitrophenyl)-3-phenylquinazolin-4-one, 2-Amino-4-(3-nitrophenyl)-4H-benzo[h]chromene-3-carbonitrile. 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 C20H13N3O3?

C20H13N3O3 has a degree of unsaturation of 16. 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.