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 1 to 100 of 223 compounds
Quinocetone
CAS 81810-66-4C18H14N2O3
Tyrphostin AG528
CAS 133550-49-9C18H14N2O3
3-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1-phenyl-1H-pyrazole-4-carbaldehyde
CAS 213748-09-5C18H14N2O3
2-(2-(5-Hydroxy-1H-indol-3-yl)ethyl)isoindole-1,3-dione
CAS 53157-46-3C18H14N2O3
2-(2-Oxo-2,3,4,5-tetrahydro-1H-1-benzazepin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione
CAS 105260-10-4C18H14N2O3
1-(2-Methyl-6-nitro-4-phenylquinolin-3-yl)ethanone
CAS 312750-41-7C18H14N2O3
7-Methoxy-3-(1-methyl-1H-benzoimidazol-2-yl)-chromen-2-one
CAS 299953-22-3C18H14N2O3
Cep 8983
CAS 374071-46-2C18H14N2O3
![2-[4-(Acetylamino)phenyl]quinoline-4-carboxylic acid chemical structure, C18H14N2O3, CAS 298187-85-6](/s/ZCKWIRNYRQKPNV-UHFFFAOYSA-N.svg)
2-[4-(Acetylamino)phenyl]quinoline-4-carboxylic acid
CAS 298187-85-6C18H14N2O3
N-(3-Benzamidophenyl)furan-2-carboxamide
CAS 312915-74-5C18H14N2O3
N-Quinolin-5-yl-2,3-dihydro-1,4-benzodioxine-6-carboxamide
CAS 728030-64-6C18H14N2O3
2-(1-Naphthylamino)-1-(4-nitrophenyl)ethanone
CAS 5928-87-0C18H14N2O3
![4-[[(1-Naphthalenylamino)carbonyl]amino]benzoic acid chemical structure, C18H14N2O3, CAS 501008-88-4](/s/JMSHMYPVISDPSH-UHFFFAOYSA-N.svg)
4-[[(1-Naphthalenylamino)carbonyl]amino]benzoic acid
CAS 501008-88-4C18H14N2O3
![6-Methoxy-3-{7-methylimidazo[1,2-a]pyridin-2-yl}-2H-chromen-2-one chemical structure, C18H14N2O3, CAS 330832-38-7](/s/DCCQIFALWAYPOM-UHFFFAOYSA-N.svg)
6-Methoxy-3-{7-methylimidazo[1,2-a]pyridin-2-yl}-2H-chromen-2-one
CAS 330832-38-7C18H14N2O3
![9-Methoxy-5-phenyl-1,3-dihydro-[1]benzofuro[3,2-e][1,4]diazepin-2-one chemical structure, C18H14N2O3, CAS 332374-97-7](/s/TVMRUIKOSLPSKE-UHFFFAOYSA-N.svg)
9-Methoxy-5-phenyl-1,3-dihydro-[1]benzofuro[3,2-e][1,4]diazepin-2-one
CAS 332374-97-7C18H14N2O3
2-Hydroxy-1-naphthalaldehyde salicyloylhydrazone
CAS 54009-54-0C18H14N2O3
![N-[4-[(1,4-Dioxonaphthalen-2-yl)amino]phenyl]acetamide chemical structure, C18H14N2O3, CAS 363590-96-9](/s/SKJJFXPZPKUGCG-UHFFFAOYSA-N.svg)
N-[4-[(1,4-Dioxonaphthalen-2-yl)amino]phenyl]acetamide
CAS 363590-96-9C18H14N2O3
N-(4-Acetylphenyl)-2-oxo-1H-quinoline-4-carboxamide
CAS 372979-13-0C18H14N2O3
N-(3-Acetylphenyl)-2-oxo-1H-quinoline-4-carboxamide
CAS 461436-22-6C18H14N2O3
3-(1H-Benzimidazol-2-yl)-6-ethyl-7-hydroxy-4H-chromen-4-one
CAS 210639-80-8C18H14N2O3
3-(4-Cyanophenyl)-3-(1-oxo-1,3-dihydro-2H-isoindol-2-yl)propanoic acid
CAS 383148-33-2C18H14N2O3
2,4-Dihydroxy-N'-(1-naphthylmethylene)benzohydrazide
CAS 405220-16-8C18H14N2O3
![[2-(Naphthalen-1-ylamino)-2-oxoethyl] pyridine-4-carboxylate chemical structure, C18H14N2O3, CAS 386724-91-0](/s/PRNKNBLGONRUAO-UHFFFAOYSA-N.svg)
[2-(Naphthalen-1-ylamino)-2-oxoethyl] pyridine-4-carboxylate
CAS 386724-91-0C18H14N2O3
2-Oxo-2-(phenylamino)ethyl quinoline-2-carboxylate
CAS 749894-98-2C18H14N2O3
- 3-(4-Cyanophenyl)-2-(1-oxo-1,3-dihydro-2H-isoindol-2-yl)propanoic acid338393-91-2C18H14N2O3
- N-(8-Quinolinyl)-2,3-dihydro-1,4-benzodioxine-6-carboxamide713501-30-5C18H14N2O3
- 2-Hydroxy-N-[(E)-(5-phenylfuran-2-yl)methylideneamino]benzamide371928-35-7C18H14N2O3
- 4-[(1Z)-3-(Benzylamino)-2-cyano-3-oxoprop-1-en-1-yl]benzoic acid1164519-24-7C18H14N2O3
- N-[3-(Phenylcarbamoyl)phenyl]furan-2-carboxamide356093-40-8C18H14N2O3
- 2-(Naphthalen-1-yl)-2-oxoethyl 5-methylpyrazine-2-carboxylate1016482-60-2C18H14N2O3
- 3-{[(Cyclopropylcarbonyl)oxy]imino}-1-phenyl-1,3-dihydro-2H-indol-2-one478261-14-2C18H14N2O3
- 2-Cinnamoyl-3-methylquinoxaline 1,4-dioxide85108-59-4C18H14N2O3
- 8-Methoxy-3-(8-methylimidazo[1,2-a]pyridin-2-yl)-2H-chromen-2-one337485-49-1C18H14N2O3
- 2-(4-Aminostyryl)-8-hydroxyquinoline-7-carboxylic acid765304-46-9C18H14N2O3
- 8-Methoxy-2-[2-(3-nitrophenyl)vinyl]quinoline330663-14-4C18H14N2O3
- 5-Morpholino-6H-anthra[1,9-cd]isoxazol-6-one313647-39-1C18H14N2O3
- 2-[(E)-2-(1,3-Benzodioxol-5-yl)ethenyl]-3-methylquinazolin-4-one6032-83-3C18H14N2O3
- 7-Hydroxy-2-methyl-3-(1-methyl-1H-benzo[d]imidazol-2-yl)-4H-chromen-4-one307526-35-8C18H14N2O3
- 4-Benzo[1,3]dioxol-5-ylmethylene-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one132603-46-4C18H14N2O3
- 1-(4-Hydroxyphenyl)-3-(1H-indol-3-yl)pyrrolidine-2,5-dione433687-70-8C18H14N2O3
- 4-(1,3-Dioxoisoindol-2-yl)-N-prop-2-enylbenzamide331432-17-8C18H14N2O3
- Sclerominol500876-24-4C18H14N2O3
- N-[4-(Phenylcarbamoyl)phenyl]furan-2-carboxamide356093-37-3C18H14N2O3
- N-[4-(4-Oxo-3,1-benzoxazin-2-yl)phenyl]cyclopropanecarboxamide701272-40-4C18H14N2O3
- 2H-1-Benzopyran-2-one, 7-(2-(1H-benzimidazol-1-yl)ethoxy)-155272-62-1C18H14N2O3
- N-[(Z)-1-(1,3-Dioxoinden-2-yl)ethylideneamino]benzamide325699-58-9C18H14N2O3
- (Z)-2-((4-Acetylphenyl)imino)-2H-chromene-3-carboxamide300839-15-0C18H14N2O3
- (E)-3-(1,3-Benzodioxol-5-yl)-N-benzyl-2-cyanoprop-2-enamide329721-00-8C18H14N2O3
- 3-(5-Hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)isobenzofuran-1(3H)-one884221-80-1C18H14N2O3
- 3-Methyl-N-(naphthalen-1-yl)-4-nitrobenzamide5509-93-3C18H14N2O3
- (2E)-2-(1,3-Benzoxazol-2-yl)-3-(3,4-dimethoxyphenyl)prop-2-enenitrile1001430-41-6C18H14N2O3
- 3H-Pyrazol-3-one, 4-(1,3-benzodioxol-5-ylmethylene)-2,4-dihydro-5-methyl-2-phenyl-, (Z)-132603-41-9C18H14N2O3
- 4(3H)-Quinazolinone, 3-(1-(4-methoxybenzoyl)ethenyl)-108664-35-3C18H14N2O3
- N-(1-Oxo-1,2,3,4-tetrahydroisoquinolin-7-yl)benzofuran-2-carboxamide1351603-04-7C18H14N2O3
- 3-Morpholino-6H-anthra[1,9-cd]isoxazol-6-one75753-47-8C18H14N2O3
- 1,3-Dihydro-3-hydroxy-3-(2-(1H-indol-3-yl)-2-oxoethyl)-2H-indol-2-one70452-29-8C18H14N2O3
- N-(4-Acetylphenyl)-4-oxo-1,4-dihydroquinoline-3-carboxamide959242-73-0C18H14N2O3
- 1H-Pyrazole-4-carboxylic acid, 3-benzoyl-1-phenyl-, methyl ester123362-39-0C18H14N2O3
- Methyl 2-(quinoline-2-amido)benzoate33919-87-8C18H14N2O3
- N-(2-Benzoyl-4-methylphenyl)isoxazole-5-carboxamide941957-38-6C18H14N2O3
- 4-Benzoyl-N-(3-methylisoxazol-5-yl)benzamide1021224-03-2C18H14N2O3
- 3-[(E)-2-(1,3-Benzodioxol-5-yl)ethenyl]-1-methylquinoxalin-2-one797782-05-9C18H14N2O3
- 7-(Benzyloxy)-4-hydroxy-6-methoxyquinoline-3-carbonitrile214476-89-8C18H14N2O3
- N-(3-Acetylphenyl)-2-(1H-indol-3-yl)-2-oxoacetamide852367-73-8C18H14N2O3
- MEISi-22250156-71-7C18H14N2O3
- Teladiazoline119763-88-1C18H14N2O3
- (5-Hydroxy-1H-indol-2-yl)-(4-methoxy-1H-indol-2-yl)-methanone896138-41-3C18H14N2O3
- 3-(1H-Benzimidazol-2-yl)-8-ethoxy-2H-chromen-2-one314048-15-2C18H14N2O3
- N-(4-Acetylphenyl)-2-(1H-indol-3-yl)-2-oxoacetamide94331-14-3C18H14N2O3
- 4-(3-(1,3-Dioxoisoindolin-2-yl)propoxy)benzonitrile313476-81-2C18H14N2O3
- Salicylaldehyde (3-hydroxy-2-naphthoyl)hydrazone80648-84-6C18H14N2O3
- 4-Benzoyl-1-methyl-5-phenyl-1H-pyrazole-3-carboxylic acid851083-40-4C18H14N2O3
- 8-Methoxy-3-methyl-1-phenyl-1H,4H-chromeno[4,3-c]pyrazol-4-one1273552-02-5C18H14N2O3
- 3-(Benzo[d]oxazol-2-yl)-7-(dimethylamino)-2H-chromen-2-one35773-51-4C18H14N2O3
- 5-Amino-4,7-dimethoxy-11H-indeno(1,2-c)isoquinolin-11-one53014-86-1C18H14N2O3
- 2-[2-(2,3-Dihydro-1H-indol-1-yl)-2-oxoethyl]-1H-isoindole-1,3(2H)-dione16875-66-4C18H14N2O3
- 2-(4-Nitro-phenyl)-2,3-dihydro-1H-naphtho[1,2-e][1,3]oxazine6625-52-1C18H14N2O3
- 2-(3-Nitrophenyl)-2,3-dihydro-1H-naphtho[1,2-e][1,3]oxazine6641-15-2C18H14N2O3
- RefChem:3816975740-46-5C18H14N2O3
- N-(3-Acetylphenyl)-4-hydroxyquinoline-3-carboxamide946340-07-4C18H14N2O3
- 3-Hydroxy-4-[(4-methylphenyl)diazenyl]-2-naphthoic acid82896-77-3C18H14N2O3
- N-(Furan-2-ylmethyl)-2-(2-oxobenzo[cd]indol-1(2H)-yl)acetamide587013-90-9C18H14N2O3
- 1-[({4-Nitro-2-methylphenyl}imino)methyl]-2-naphthol5375-90-6C18H14N2O3
- Propanenitrile, 3-((9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthracenyl)amino)-2-methyl-23552-75-2C18H14N2O3
- 2-Furancarboxamide, N-[4-(benzoylamino)phenyl]-333397-84-5C18H14N2O3
- (Z)-N-Acetyl-2-(phenylimino)-2H-chromene-3-carboxamide910218-55-2C18H14N2O3
- 1-Benzoyl-3,5-di(2-furyl)-4,5-dihydro-1H-pyrazole667898-88-6C18H14N2O3
- 3-(3,4-Dimethoxyphenyl)indeno[1,2-c]pyrazol-4(1H)-one222626-23-5C18H14N2O3
- 4-Benzoyl-N-(5-methylisoxazol-3-yl)benzamide477546-44-4C18H14N2O3
- (2E)-2-(1,3-Benzoxazol-2-yl)-3-(2,4-dimethoxyphenyl)prop-2-enenitrile586989-78-8C18H14N2O3
- 5-(1-Benzofuran-2-ylcarbonyl)-1,3-dimethyl-1,3-dihydro-2H-benzimidazol-2-one903436-19-1C18H14N2O3
- N-(1-Ethyl-2-oxo-1,2-dihydrobenzo[cd]indol-6-yl)furan-2-carboxamide298216-60-1C18H14N2O3
- 2-[(2-Phenylquinoline-4-carbonyl)amino]acetic acid3969-94-6C18H14N2O3
- Ethyl 2-{[1-(2-cyano-3-nitrilo-1-propenyl)-2-naphthyl]oxy}acetate866142-63-4C18H14N2O3
- (2E)-2-(1,3-Benzoxazol-2-yl)-3-(2,5-dimethoxyphenyl)prop-2-enenitrile577959-84-3C18H14N2O3
- 2-{[(1,3-Dioxo-2,3-dihydro-1H-inden-2-ylidene)methyl]amino}-N-methylbenzamide1024515-52-3C18H14N2O3
- 5-(p-Anisoylmethylenamino)-8-quinolinol25912-20-3C18H14N2O3
- (Z)-4-Hydroxy-N'-((2-oxonaphthalen-1(2H)-ylidene)methyl)benzohydrazideC18H14N2O3
- N-(4-Methyl-3-nitrophenyl)naphthalene-1-carboxamide541546-36-5C18H14N2O3
- 4-Methyl-N-naphthalen-2-yl-3-nitrobenzamide418787-84-5C18H14N2O3
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 Quinocetone, Tyrphostin AG528, 3-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1-phenyl-1H-pyrazole-4-carbaldehyde. 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.