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 101 to 200 of 223 compounds
4-(4-Methylphenoxy)-2-phenyl-5-pyrimidinecarboxylic acid
CAS 477859-48-6C18H14N2O3
2,4-Dihydroxy-N'-(2-naphthylmethylene)benzohydrazide
CAS 870514-40-2C18H14N2O3
3-Cinnamamidobenzofuran-2-carboxamide
CAS 477511-33-4C18H14N2O3
![4-{[2-(4-Methylphenyl)pyrimidin-4-yl]oxy}benzoic acid chemical structure, C18H14N2O3, CAS 1172462-12-2](/s/XFWBHUMLHLSQJS-UHFFFAOYSA-N.svg)
4-{[2-(4-Methylphenyl)pyrimidin-4-yl]oxy}benzoic acid
CAS 1172462-12-2C18H14N2O3
8-Methoxy-3-(1-methyl-1H-1,3-benzodiazol-2-yl)-2H-chromen-2-one
CAS 300556-99-4C18H14N2O3
N-(2-Methyl-1,3-dioxoisoindolin-4-yl)cinnamamide
CAS 683231-90-5C18H14N2O3
![4-(5-Cyano-7-isopropylbenzo[d]oxazol-2-yl)benzoic acid chemical structure, C18H14N2O3, CAS 1093395-66-4](/s/DAOQXJMMMMXFAZ-UHFFFAOYSA-N.svg)
4-(5-Cyano-7-isopropylbenzo[d]oxazol-2-yl)benzoic acid
CAS 1093395-66-4C18H14N2O3
![(3Z)-3-(3,4-Dihydroxybenzylidene)-2,3-dihydropyrrolo[1,2-a]quinazolin-5(1H)-one chemical structure, C18H14N2O3, CAS 885191-25-3](/s/QPZHNGZOAYQHFM-XFXZXTDPSA-N.svg)
(3Z)-3-(3,4-Dihydroxybenzylidene)-2,3-dihydropyrrolo[1,2-a]quinazolin-5(1H)-one
CAS 885191-25-3C18H14N2O3
2-Naphthoic acid, 1-hydroxy-4-(o-tolylazo)-
CAS 26233-08-9C18H14N2O3
4-Isoxazolecarboxamide, N-(4-benzoylphenyl)-5-methyl-
CAS 73076-34-3C18H14N2O3
1-(1,3-Benzodioxol-5-yl)-3-naphthalen-1-ylurea
CAS 445017-57-2C18H14N2O3
![3-(4-Methoxybenzyl)[1]benzofuro[3,2-d]pyrimidin-4(3H)-one chemical structure, C18H14N2O3, CAS 866039-91-0](/s/WUQFWCGDTAOPLD-UHFFFAOYSA-N.svg)
3-(4-Methoxybenzyl)[1]benzofuro[3,2-d]pyrimidin-4(3H)-one
CAS 866039-91-0C18H14N2O3
![Methyl 4-[(quinolin-8-yl)carbamoyl]benzoate chemical structure, C18H14N2O3, CAS 878687-85-5](/s/WQIVVUSDITZJQS-UHFFFAOYSA-N.svg)
Methyl 4-[(quinolin-8-yl)carbamoyl]benzoate
CAS 878687-85-5C18H14N2O3
6-(1,3-Benzodioxol-5-yl)-2-benzylpyridazin-3-one
CAS 923099-32-5C18H14N2O3
N-(1,3-Benzodioxol-5-yl)-3-(1H-pyrrol-1-yl)benzamide
CAS 924249-17-2C18H14N2O3
1-(Benzofuran-2-carbonyl)indoline-2-carboxamide
CAS 1103513-96-7C18H14N2O3
![4-{[2-(3-Methylphenyl)pyrimidin-4-yl]oxy}benzoic acid chemical structure, C18H14N2O3, CAS 1171051-69-6](/s/NJYUWBRENJJZJB-UHFFFAOYSA-N.svg)
4-{[2-(3-Methylphenyl)pyrimidin-4-yl]oxy}benzoic acid
CAS 1171051-69-6C18H14N2O3
![3-{[2-(4-Methylphenyl)pyrimidin-4-yl]oxy}benzoic acid chemical structure, C18H14N2O3, CAS 1171712-10-9](/s/DDFKWTNCTKAKKJ-UHFFFAOYSA-N.svg)
3-{[2-(4-Methylphenyl)pyrimidin-4-yl]oxy}benzoic acid
CAS 1171712-10-9C18H14N2O3
2-((2-Nitrilo-3-oxo-3-phenylprop-1-enyl)amino)-6-methylbenzoic acid
CAS 1025165-66-5C18H14N2O3
![4-[3-(Benzyloxy)-2-oxo-1(2H)-pyrazinyl]benzaldehyde chemical structure, C18H14N2O3, CAS 1400636-35-2](/s/QFGFAZOWOAURLB-UHFFFAOYSA-N.svg)
4-[3-(Benzyloxy)-2-oxo-1(2H)-pyrazinyl]benzaldehyde
CAS 1400636-35-2C18H14N2O3
![3-Hydroxy-N'-[(E)-(4-hydroxyphenyl)methylidene]-2-naphthohydrazide chemical structure, C18H14N2O3, CAS 303760-67-0](/s/XEWQKFHHWHRTAX-YBFXNURJSA-N.svg)
3-Hydroxy-N'-[(E)-(4-hydroxyphenyl)methylidene]-2-naphthohydrazide
CAS 303760-67-0C18H14N2O3
5-Methoxy-2-(naphthalen-2-ylazo)benzoic acid
CAS 959112-28-8C18H14N2O3
N-Naphthalen-2-yl-2-(4-nitrophenyl)acetamide
CAS 415693-00-4C18H14N2O3
(E)-2-(4-Nitrophenyl)-3-(4-prop-2-enoxyphenyl)prop-2-enenitrile
CAS 792939-18-5C18H14N2O3
- 4-(2-Furyl)-5-oxo-2-(1H-pyrrol-1-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile478261-81-3C18H14N2O3
- 1-(2-Hydroxyphenyl)-3-(1H-indol-3-yl)pyrrolidine-2,5-dione433949-43-0C18H14N2O3
- 3-Hydroxy-3-(2-oxo-2-pyridin-2-ylethyl)-1-prop-2-ynylindol-2-one356081-73-7C18H14N2O3
- 1-Hydroxy-N'-[(E)-(3-hydroxyphenyl)methylidene]naphthalene-2-carbohydrazide610266-79-0C18H14N2O3
- N-(3-Acetylphenyl)-5-phenyloxazole-2-carboxamide955769-23-0C18H14N2O3
- N-1,3-Benzodioxol-5-yl-4-(1H-pyrrol-1-yl)benzamide1144486-70-3C18H14N2O3
- 3-{[2-(3-Methylphenyl)pyrimidin-4-yl]oxy}benzoic acid1170107-96-6C18H14N2O3
- 2-(1H-Indol-1-yl)-N-(1-oxo-1,3-dihydro-2-benzofuran-5-yl)acetamide1574321-42-8C18H14N2O3
- 3-Formyl-5-[4-(2-hydroxyethoxy)phenyl]-1H-indole-6-carbonitrile1467061-45-5C18H14N2O3
- 2-[({4-[1-(Hydroxyimino)ethyl]phenyl}amino)methylidene]-2,3-dihydro-1H-indene-1,3-dione1025680-88-9C18H14N2O3
- 1-Hydroxy-N'-[(E)-(4-hydroxyphenyl)methylidene]naphthalene-2-carbohydrazide610266-77-8C18H14N2O3
- 2-(2-Hydroxyphenyl)-9-methyl-3H-chromeno[2,3-d]pyrimidin-4(5H)-one902855-58-7C18H14N2O3
- N-(((1,3-Dioxoindan-2-ylidene)ethyl)amino)benzamide1020251-95-9C18H14N2O3
- 2-(2-Nitrophenyl)-2,3-dihydro-1H-naphtho[1,2-e][1,3]oxazine6638-19-3C18H14N2O3
- 3-(3-Nitrophenyl)-3,4-dihydro-2H-naphtho[2,1-e][1,3]oxazine6638-20-6C18H14N2O3
- Methyl 8-methyl-9-oxo-11H-indolizino[1,2-b]quinoline-7-carboxylate55854-85-8C18H14N2O3
- N-{3-Nitrophenyl}-4-methyl-1-naphthamide352441-42-0C18H14N2O3
- 2-Propenoic acid, 2-(benzoylamino)-3-(1H-indol-3-yl)-, (Z)-85622-38-4C18H14N2O3
- 8-Methoxy-2-[(E)-2-(2-nitrophenyl)ethenyl]quinoline695169-27-8C18H14N2O3
- N-(Quinolin-8-yl)-2,3-dihydro-1,4-benzodioxine-2-carboxamide876691-51-9C18H14N2O3
- 6-Methoxy-4-[(Z)-2-(2-nitrophenyl)ethenyl]quinoline7461-67-8C18H14N2O3
- Methyl 1-(1,3-benzoxazol-2-ylmethyl)-1H-indole-7-carboxylate1196050-12-0C18H14N2O3
- 5-(Benzyloxy)-2-(2-nitrophenyl)pyridine1415379-72-4C18H14N2O3
- 4-Hydroxy-7-methoxy-6-(phenylmethoxy)-3-quinolinecarbonitrile855792-24-4C18H14N2O3
- N-[1-(1-Hydroxy-3-oxoinden-2-yl)ethylideneamino]benzamideC18H14N2O3
- 1,2,3-Butanetrione, 1-(2-phenyl-1H-indol-3-yl)-, 2-oxime62367-88-8C18H14N2O3
- 2,5-Dimethyl-1-(2-nitronaphtho(2,1-b)furan-7-yl)-1H-pyrrole125372-44-3C18H14N2O3
- 7H-Pyrido(2,3-c)carbazole2-carboxylic acid, 1,4-dihydro-1-oxo-, ethyl ester114476-30-1C18H14N2O3
- 4-Methoxyphenyl 1-cyanoisoquinoline-2(1H)-carboxylate17954-27-7C18H14N2O3
- 3,4-Dihydroxybenzoic acid 2-(2-naphthalenylmethylene)hydrazide304481-51-4C18H14N2O3
- 5-Methyl-2-[2-(2-nitrophenyl)ethenyl]quinolin-8-ol312591-58-5C18H14N2O3
- 2-(2-Methyl-1,3-dioxolan-2-yl)-10-oxidoacridin-10-ium-9-carbonitrile439094-78-7C18H14N2O3
- Benzoic acid, 4-(4,5-dihydro-2-methyl-5-oxo-4-(phenylmethylene)-1H-imidazol-1-yl)-88221-58-3C18H14N2O3
- Acetamide, N-[1,4-dihydro-1,4-dioxo-3-(phenylamino)-2-naphthalenyl]-58907-81-6C18H14N2O3
- 2-(Furan-2-yl)-2,2',3,3'-tetrahydro-2,2'-bi-1,3-benzoxazole77052-26-7C18H14N2O3
- Benzyl 3-formylquinolin-7-ylcarbamate908248-23-7C18H14N2O3
- 7-Methoxy-4-(1-(4-nitrophenyl)vinyl)quinoline1071540-81-2C18H14N2O3
- 2-(Benzyloxy)-5-nitro-3-phenylpyridine881208-92-0C18H14N2O3
- 4-(4-(Benzyloxy)-3-nitrophenyl)pyridine1240521-77-0C18H14N2O3
- 4-[2-(3-Oxo-3,4-dihydroquinoxalin-2-yl)ethenyl]phenyl acetate113711-50-5C18H14N2O3
- 3-[(E)-2-Cyano-3-(3-methylanilino)-3-oxoprop-1-enyl]benzoic acid1798421-74-5C18H14N2O3
- N-({[2,3'-Bifuran]-5-yl}methyl)-1H-indole-2-carboxamide2097926-66-2C18H14N2O3
- N'-[1-(1,3-Dioxo-2,3-dihydro-1H-inden-2-ylidene)ethyl]benzohydrazideC18H14N2O3
- N-(2-Benzyl-1,3-dioxoisoindol-4-yl)prop-2-enamide2305552-42-3C18H14N2O3
- 4-[2-Cyano-3-(3-methylphenyl)prop-2-enamido]benzoic acid736960-04-6C18H14N2O3
- 2-((2-Methylquinolin-5-yl)carbamoyl)benzoic acid864175-56-4C18H14N2O3
- 1-[(3-Cyanophenyl)methyl]-4-methoxy-1H-indole-2-carboxylic acid229953-56-4C18H14N2O3
- 4-{Formyl[(quinolin-3-yl)methyl]amino}benzoic acid62294-90-0C18H14N2O3
- 1-(4-Nitro-2,5-diphenyl-1H-pyrrol-3-yl)ethanone85814-62-6C18H14N2O3
- 3-Methoxy-4-phenyl-4H-furo[3,2-B]indole-2-carboxamide89224-80-6C18H14N2O3
- 1-Amino-2-(2,3-dihydro-4H-1,4-oxazin-4-yl)anthracene-9,10-dione91323-07-8C18H14N2O3
- (1,2,5-Oxadiazole-3,4-diyl)bis[(4-methylphenyl)methanone]75534-75-7C18H14N2O3
- 2,3-Dihydro-4H-1,4-benzoxazin-4-yl(5-phenyl-1,2-oxazol-3-yl)methanone1092336-11-2C18H14N2O3
- N-(2,3-Dihydrobenzofuran-5-yl)-4-oxo-1H-quinoline-3-carboxamide873054-77-4C18H14N2O3
- N-(2-Methyl-6-benzoxazolyl)-3-methyl-2-benzofurancarboxamide1214994-57-6C18H14N2O3
- 2-(2,5-Dipyridin-4-ylphenyl)-2-hydroxyacetic acid1214346-12-9C18H14N2O3
- 2-{5-[(2-Phenylhydrazinylidene)methyl]furan-2-yl}benzoic acid88460-76-8C18H14N2O3
- Methyl 4-(4-formyl-3-phenyl-1H-pyrazol-1-yl)benzoate934290-21-8C18H14N2O3
- 2-[(6-Phenyl-3-pyridinyl)methoxy]-4-pyridinecarboxylic acid1008774-12-6C18H14N2O3
- 6-(4-Methoxyphenyl)-2-phenylpyrimidine-4-carboxylic acid1159502-28-9C18H14N2O3
- 2-[(5-Aminonaphthalen-1-yl)carbamoyl]benzoic acid111364-33-1C18H14N2O3
- 1-(3-Phenyl-3,4-dihydro-2H-1,3-benzoxazin-6-yl)-1H-pyrrole-2,5-dione797801-55-9C18H14N2O3
- (1H-Benzo[d]imidazol-2-yl)methyl 2H-chromene-3-carboxylate1424540-68-0C18H14N2O3
- 2-(Naphthalen-1-ylamino)-1-(3-nitrophenyl)ethanone27996-90-3C18H14N2O3
- 3-(1,3-Diphenyl-1H-pyrazol-4-yl)-2-hydroxy-2-propenoic acid541508-33-2C18H14N2O3
- 3-[5-(4-Formylphenyl)-1H-pyrazol-3-yl]benzoic acid methyl ester1262847-04-0C18H14N2O3
- 3-Cyano-1-ethyl-2-oxo-2,3-dihydro-1H-indol-3-yl benzoate1401332-75-9C18H14N2O3
- 4-(1H-Indol-5-yloxy)-6-methoxy-7-quinolinol1058157-72-4C18H14N2O3
- 4-[2-Cyano-3-(3-methylanilino)-3-oxoprop-1-en-1-yl]benzoic acid340318-81-2C18H14N2O3
- (2-Hydroxyphenyl)[2-(4-methoxyphenyl)pyrimidin-5-yl]methanone61466-65-7C18H14N2O3
- 5-(4-Nitrophenyl)-1,3,4,5-tetrahydro-2H-indeno[1,2-b]pyridin-2-one81152-87-6C18H14N2O3
- 4-(2-Methoxybenzoyl)-6-phenylpyridazin-3(2H)-one832712-08-0C18H14N2O3
- 1-[2-(4-Methoxyphenyl)-4H-[1,3]oxazolo[5,4-B]indol-4-yl]ethan-1-one89204-75-1C18H14N2O3
- 3-Hydroxy-N-(phenylcarbamoyl)naphthalene-2-carboxamide52505-78-9C18H14N2O3
- 8,9-Dimethoxybenzo[c][1,7]phenanthrolin-6(5H)-one1201566-93-9C18H14N2O3
- 4-Hydroxy-3-[3-(4-methylphenyl)-3-oxoprop-1-enyl]-1H-1,8-naphthyridin-2-one401938-48-5C18H14N2O3
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-(4-Methylphenoxy)-2-phenyl-5-pyrimidinecarboxylic acid, 2,4-Dihydroxy-N'-(2-naphthylmethylene)benzohydrazide, 3-Cinnamamidobenzofuran-2-carboxamide. 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.