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Molecular formula

C18H11N3O4

35 compounds have this formula on CompoundList.

Molar mass
333.30g/mol
Monoisotopic mass
333.0750Da
Atoms
36
Elements
4
Rings plus double bonds
15

The formula C18H11N3O4 describes a molecule made of 18 carbon atoms, 11 hydrogen atoms, 3 nitrogen atoms and 4 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 × 1864.87%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 113.33%
    1.008 × 11 = 11.088 g/mol
  • N Nitrogen × 312.61%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 419.20%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C18H11N3O4

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

Showing 1 to 35 of 35 compounds

2-(4-Methylpyridin-2-yl)-6-nitrobenzo[de]isoquinoline-1,3-dione chemical structure, C18H11N3O4, CAS 690670-06-5
2-(4-Methylpyridin-2-yl)-6-nitrobenzo[de]isoquinoline-1,3-dione
CAS 690670-06-5C18H11N3O4
3-Nitro-4-(quinolin-8-ylamino)chromen-2-one chemical structure, C18H11N3O4, CAS 330216-48-3
3-Nitro-4-(quinolin-8-ylamino)chromen-2-one
CAS 330216-48-3C18H11N3O4
2-(4-Aminophenyl)-6-nitro-1H-benzo[de]isoquinoline-1,3(2H)-dione chemical structure, C18H11N3O4, CAS 57037-95-3
2-(4-Aminophenyl)-6-nitro-1H-benzo[de]isoquinoline-1,3(2H)-dione
CAS 57037-95-3C18H11N3O4
2-(4-Nitroanilino)benzo[de]isoquinoline-1,3-dione chemical structure, C18H11N3O4, CAS 14882-89-4
2-(4-Nitroanilino)benzo[de]isoquinoline-1,3-dione
CAS 14882-89-4C18H11N3O4
3-(3-(Benzo[d][1,3]dioxol-5-yl)-1,2,4-oxadiazol-5-yl)quinolin-4(1H)-one chemical structure, C18H11N3O4, CAS 1081112-82-4
3-(3-(Benzo[d][1,3]dioxol-5-yl)-1,2,4-oxadiazol-5-yl)quinolin-4(1H)-one
CAS 1081112-82-4C18H11N3O4
2-[6-(2-Cyanophenoxy)pyrimidin-4-yl]oxybenzoic acid chemical structure, C18H11N3O4, CAS 951009-69-1
2-[6-(2-Cyanophenoxy)pyrimidin-4-yl]oxybenzoic acid
CAS 951009-69-1C18H11N3O4
5-Nitro-N-(quinolin-6-yl)-1-benzofuran-2-carboxamide chemical structure, C18H11N3O4, CAS 573975-13-0
5-Nitro-N-(quinolin-6-yl)-1-benzofuran-2-carboxamide
CAS 573975-13-0C18H11N3O4
6-Amino-2-(4-nitrophenyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione chemical structure, C18H11N3O4, CAS 919213-50-6
6-Amino-2-(4-nitrophenyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione
CAS 919213-50-6C18H11N3O4
2-Oxo-N-(4-phenyl-1,2,5-oxadiazol-3-yl)-2H-chromene-3-carboxamide chemical structure, C18H11N3O4, CAS 866236-86-4
2-Oxo-N-(4-phenyl-1,2,5-oxadiazol-3-yl)-2H-chromene-3-carboxamide
CAS 866236-86-4C18H11N3O4
2-(Furan-2-yl)-3-(2-nitrophenyl)quinazolin-4(3H)-one chemical structure, C18H11N3O4, CAS 62820-60-4
2-(Furan-2-yl)-3-(2-nitrophenyl)quinazolin-4(3H)-one
CAS 62820-60-4C18H11N3O4
2-(Furan-2-yl)-3-(3-nitrophenyl)quinazolin-4(3H)-one chemical structure, C18H11N3O4, CAS 62820-61-5
2-(Furan-2-yl)-3-(3-nitrophenyl)quinazolin-4(3H)-one
CAS 62820-61-5C18H11N3O4
2-(Furan-2-yl)-3-(4-nitrophenyl)quinazolin-4(3H)-one chemical structure, C18H11N3O4, CAS 62820-62-6
2-(Furan-2-yl)-3-(4-nitrophenyl)quinazolin-4(3H)-one
CAS 62820-62-6C18H11N3O4
1-(4-Nitrophenyl)-9H-pyrido[3,4-b]indole-3-carboxylicacid chemical structure, C18H11N3O4, CAS 942217-37-0
1-(4-Nitrophenyl)-9H-pyrido[3,4-b]indole-3-carboxylicacid
CAS 942217-37-0C18H11N3O4
4-(4-Nitrophenoxy)-6-phenylfuro[2,3-d]pyrimidine chemical structure, C18H11N3O4, CAS 417724-05-1
4-(4-Nitrophenoxy)-6-phenylfuro[2,3-d]pyrimidine
CAS 417724-05-1C18H11N3O4
(9-Diazonio-2H-fluoren-2-ylidene)[(2,5-dioxopyrrolidin-1-yl)oxy]methanolate chemical structure, C18H11N3O4, CAS 111858-42-5
(9-Diazonio-2H-fluoren-2-ylidene)[(2,5-dioxopyrrolidin-1-yl)oxy]methanolate
CAS 111858-42-5C18H11N3O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 7-methylquinoxaline-6-carboxylate chemical structure, C18H11N3O4, CAS 2248287-94-5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 7-methylquinoxaline-6-carboxylate
CAS 2248287-94-5C18H11N3O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-phenyl-1H-pyrazole-3-carboxylate chemical structure, C18H11N3O4, CAS 2248343-35-1
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-phenyl-1H-pyrazole-3-carboxylate
CAS 2248343-35-1C18H11N3O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-(1H-pyrrol-1-yl)pyridine-3-carboxylate chemical structure, C18H11N3O4, CAS 2248270-53-1
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-(1H-pyrrol-1-yl)pyridine-3-carboxylate
CAS 2248270-53-1C18H11N3O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-phenyl-1H-imidazole-4-carboxylate chemical structure, C18H11N3O4, CAS 2248310-22-5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-phenyl-1H-imidazole-4-carboxylate
CAS 2248310-22-5C18H11N3O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-phenyl-1H-imidazole-4-carboxylate chemical structure, C18H11N3O4, CAS 2248309-86-4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-phenyl-1H-imidazole-4-carboxylate
CAS 2248309-86-4C18H11N3O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(1H-imidazol-4-yl)benzoate chemical structure, C18H11N3O4, CAS 2248386-45-8
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(1H-imidazol-4-yl)benzoate
CAS 2248386-45-8C18H11N3O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(1H-imidazol-1-yl)benzoate chemical structure, C18H11N3O4, CAS 2248394-07-0
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(1H-imidazol-1-yl)benzoate
CAS 2248394-07-0C18H11N3O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(1H-pyrazol-1-yl)benzoate chemical structure, C18H11N3O4, CAS 2248401-81-0
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(1H-pyrazol-1-yl)benzoate
CAS 2248401-81-0C18H11N3O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-phenyl-1H-pyrazole-3-carboxylate chemical structure, C18H11N3O4, CAS 2248259-18-7
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-phenyl-1H-pyrazole-3-carboxylate
CAS 2248259-18-7C18H11N3O4

Frequently asked questions

What is the molar mass of C18H11N3O4?

The molar mass of C18H11N3O4 is 333.30 g/mol, calculated from standard atomic weights for 18 carbon atoms, 11 hydrogen atoms, 3 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 333.0750 Da.

How many compounds have the formula C18H11N3O4?

CompoundList lists 35 compounds with the molecular formula C18H11N3O4, including 2-(4-Methylpyridin-2-yl)-6-nitrobenzo[de]isoquinoline-1,3-dione, 3-Nitro-4-(quinolin-8-ylamino)chromen-2-one, 2-(4-Aminophenyl)-6-nitro-1H-benzo[de]isoquinoline-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 C18H11N3O4?

C18H11N3O4 has a degree of unsaturation of 15. 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.