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Molecular formula

C18H14N2O3

223 compounds have this formula on CompoundList.

Molar mass
306.32g/mol
Monoisotopic mass
306.1004Da
Atoms
37
Elements
4
Rings plus double bonds
13

The formula C18H14N2O3 describes a molecule made of 18 carbon atoms, 14 hydrogen atoms, 2 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 × 1870.58%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 144.61%
    1.008 × 14 = 14.112 g/mol
  • N Nitrogen × 29.15%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 315.67%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C18H14N2O3

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

Showing 201 to 223 of 223 compounds

4-Hydroxy-3-(3-oxo-4-phenylbut-1-enyl)-1H-1,8-naphthyridin-2-one chemical structure, C18H14N2O3, CAS 401938-44-1
4-Hydroxy-3-(3-oxo-4-phenylbut-1-enyl)-1H-1,8-naphthyridin-2-one
CAS 401938-44-1C18H14N2O3
5-(3-Nitrophenyl)-1,3,4,5-tetrahydro-2H-indeno[1,2-b]pyridin-2-one chemical structure, C18H14N2O3, CAS 88687-48-3
5-(3-Nitrophenyl)-1,3,4,5-tetrahydro-2H-indeno[1,2-b]pyridin-2-one
CAS 88687-48-3C18H14N2O3
5-(3-Nitrophenyl)-1,3,4,9b-tetrahydro-2H-indeno[1,2-b]pyridin-2-one chemical structure, C18H14N2O3, CAS 61449-86-3
5-(3-Nitrophenyl)-1,3,4,9b-tetrahydro-2H-indeno[1,2-b]pyridin-2-one
CAS 61449-86-3C18H14N2O3
4-[(2-Methylquinolin-8-yl)carbamoyl]benzoic acid chemical structure, C18H14N2O3, CAS 61388-93-0
4-[(2-Methylquinolin-8-yl)carbamoyl]benzoic acid
CAS 61388-93-0C18H14N2O3
N-Methyl-N-(3-oxo-1,5-diphenylpent-1-en-4-yn-1-yl)nitramide chemical structure, C18H14N2O3, CAS 90104-50-0
N-Methyl-N-(3-oxo-1,5-diphenylpent-1-en-4-yn-1-yl)nitramide
CAS 90104-50-0C18H14N2O3
3-(4-Methoxybenzoyl)-5-phenylpyridazin-4(1H)-one chemical structure, C18H14N2O3, CAS 90054-45-8
3-(4-Methoxybenzoyl)-5-phenylpyridazin-4(1H)-one
CAS 90054-45-8C18H14N2O3
3-Benzoyl-5-(4-methoxyphenyl)pyridazin-4(1H)-one chemical structure, C18H14N2O3, CAS 90054-44-7
3-Benzoyl-5-(4-methoxyphenyl)pyridazin-4(1H)-one
CAS 90054-44-7C18H14N2O3
2-(Naphthalen-2-ylamino)-1-(3-nitrophenyl)ethanone chemical structure, C18H14N2O3, CAS 1789094-77-4
2-(Naphthalen-2-ylamino)-1-(3-nitrophenyl)ethanone
CAS 1789094-77-4C18H14N2O3
N-(4-(((1,3-Dioxoindan-2-ylidene)methyl)amino)phenyl)ethanamide chemical structure, C18H14N2O3, CAS 134828-25-4
N-(4-(((1,3-Dioxoindan-2-ylidene)methyl)amino)phenyl)ethanamide
CAS 134828-25-4C18H14N2O3
2-(((4-((Hydroxyimino)ethyl)phenyl)amino)methylene)indane-1,3-dione chemical structure, C18H14N2O3, CAS 1025810-89-2
2-(((4-((Hydroxyimino)ethyl)phenyl)amino)methylene)indane-1,3-dione
CAS 1025810-89-2C18H14N2O3
3-Acetyl-4-anilino-1-phenyl-1H-pyrrole-2,5-dione chemical structure, C18H14N2O3, CAS 72543-13-6
3-Acetyl-4-anilino-1-phenyl-1H-pyrrole-2,5-dione
CAS 72543-13-6C18H14N2O3
3,4-Dicyanophenyl 4-propoxybenzoate chemical structure, C18H14N2O3, CAS 1312212-03-5
3,4-Dicyanophenyl 4-propoxybenzoate
CAS 1312212-03-5C18H14N2O3
1-Phenacyl-4-phenylpyrazine-2,3-dione chemical structure, C18H14N2O3, CAS 2320925-45-7
1-Phenacyl-4-phenylpyrazine-2,3-dione
CAS 2320925-45-7C18H14N2O3
4-Nitro-N-(4-phenoxyphenyl)aniline chemical structure, C18H14N2O3, CAS 57438-67-2
4-Nitro-N-(4-phenoxyphenyl)aniline
CAS 57438-67-2C18H14N2O3
Ethyl 1-oxo-1H-benzo[c]pyrazolo[1,2-a]cinnoline-2-carboxylate chemical structure, C18H14N2O3, CAS 32620-15-8
Ethyl 1-oxo-1H-benzo[c]pyrazolo[1,2-a]cinnoline-2-carboxylate
CAS 32620-15-8C18H14N2O3
Methyl 4-methoxy-3H-pyrido[2,3,4-kl]acridine-2-carboxylate chemical structure, C18H14N2O3, CAS 113981-60-5
Methyl 4-methoxy-3H-pyrido[2,3,4-kl]acridine-2-carboxylate
CAS 113981-60-5C18H14N2O3
2-(2,4-Di(pyridin-4-yl)phenyl)-2-hydroxyacetic acid chemical structure, C18H14N2O3, CAS 1214374-75-0
2-(2,4-Di(pyridin-4-yl)phenyl)-2-hydroxyacetic acid
CAS 1214374-75-0C18H14N2O3
2-(2,6-Di(pyridin-4-yl)phenyl)-2-hydroxyacetic acid chemical structure, C18H14N2O3, CAS 1214387-72-0
2-(2,6-Di(pyridin-4-yl)phenyl)-2-hydroxyacetic acid
CAS 1214387-72-0C18H14N2O3
N-(4-Amino-2-benzoylphenyl)furan-2-carboxamide chemical structure, C18H14N2O3, CAS 1098067-72-1
N-(4-Amino-2-benzoylphenyl)furan-2-carboxamide
CAS 1098067-72-1C18H14N2O3
2-(5-((2-Phenylhydrazono)methyl)furan-2-yl)benzoic acid chemical structure, C18H14N2O3
2-(5-((2-Phenylhydrazono)methyl)furan-2-yl)benzoic acid
C18H14N2O3
Methyl 5_(benzo[d]oxazol_2_yl)_1_methyl_1H_indole_3_carboxylate chemical structure, C18H14N2O3, CAS 3021598-80-8
Methyl 5_(benzo[d]oxazol_2_yl)_1_methyl_1H_indole_3_carboxylate
CAS 3021598-80-8C18H14N2O3
2-N,5-N-diphenylfuran-2,5-dicarboxamide chemical structure, C18H14N2O3, CAS 77500-30-2
2-N,5-N-diphenylfuran-2,5-dicarboxamide
CAS 77500-30-2C18H14N2O3
10-Methyl-4-phenyl-5H-furo[3,4-b][1,4]benzodiazepine-1,3-dione chemical structure, C18H14N2O3, CAS 643735-27-7
10-Methyl-4-phenyl-5H-furo[3,4-b][1,4]benzodiazepine-1,3-dione
CAS 643735-27-7C18H14N2O3

Frequently asked questions

What is the molar mass of C18H14N2O3?

The molar mass of C18H14N2O3 is 306.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 14 hydrogen atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 306.1004 Da.

How many compounds have the formula C18H14N2O3?

CompoundList lists 223 compounds with the molecular formula C18H14N2O3, including 4-Hydroxy-3-(3-oxo-4-phenylbut-1-enyl)-1H-1,8-naphthyridin-2-one, 5-(3-Nitrophenyl)-1,3,4,5-tetrahydro-2H-indeno[1,2-b]pyridin-2-one, 5-(3-Nitrophenyl)-1,3,4,9b-tetrahydro-2H-indeno[1,2-b]pyridin-2-one. 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 C18H14N2O3?

C18H14N2O3 has a degree of unsaturation of 13. 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.