Molecular formula
C20H18N2O3
289 compounds have this formula on CompoundList.
- Molar mass
- 334.38g/mol
- Monoisotopic mass
- 334.1317Da
- Atoms
- 43
- Elements
- 4
- Rings plus double bonds
- 13
The formula C20H18N2O3 describes a molecule made of 20 carbon atoms, 18 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 × 2071.84%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 185.43%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 28.38%14.007 × 2 = 28.014 g/mol
- O Oxygen × 314.35%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C20H18N2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 289 compounds
2-(4-Morpholinylcarbonyl)-3-(3-phenoxyphenyl)acrylonitrile
CAS 358392-63-9C20H18N2O3
Oracine
CAS 148317-76-4C20H18N2O3
![2-[1-(3,4-Dihydro-2H-quinolin-1-yl)-1-oxopropan-2-yl]isoindole-1,3-dione chemical structure, C20H18N2O3, CAS 498570-82-4](/s/NKNFPVOPLUIORL-UHFFFAOYSA-N.svg)
2-[1-(3,4-Dihydro-2H-quinolin-1-yl)-1-oxopropan-2-yl]isoindole-1,3-dione
CAS 498570-82-4C20H18N2O3
![6-Hydroxy-4-oxo-N-(1-phenylethyl)-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-5-carboxamide chemical structure, C20H18N2O3, CAS 384361-71-1](/s/UVILXWZMEDEBBV-UHFFFAOYSA-N.svg)
6-Hydroxy-4-oxo-N-(1-phenylethyl)-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-5-carboxamide
CAS 384361-71-1C20H18N2O3
2H-1-Benzopyran-2-one, 3-(2-benzoxazolyl)-7-(diethylamino)-
CAS 35773-42-3C20H18N2O3
![2-[3-(3,4-Dihydro-2H-quinolin-1-yl)-3-oxopropyl]isoindole-1,3-dione chemical structure, C20H18N2O3, CAS 361992-42-9](/s/QCPWWWBTUSZYMF-UHFFFAOYSA-N.svg)
2-[3-(3,4-Dihydro-2H-quinolin-1-yl)-3-oxopropyl]isoindole-1,3-dione
CAS 361992-42-9C20H18N2O3
![2-[1-(3,4-Dihydroisoquinolin-2(1H)-yl)-1-oxopropan-2-yl]-1H-isoindole-1,3(2H)-dione chemical structure, C20H18N2O3, CAS 6045-64-3](/s/OWULRRZVAXTQNS-UHFFFAOYSA-N.svg)
2-[1-(3,4-Dihydroisoquinolin-2(1H)-yl)-1-oxopropan-2-yl]-1H-isoindole-1,3(2H)-dione
CAS 6045-64-3C20H18N2O3
![2-[4-(2,3-Dihydro-1H-indol-1-yl)-4-oxobutyl]-1H-isoindole-1,3(2H)-dione chemical structure, C20H18N2O3, CAS 300838-81-7](/s/HAJCSQGZHUANAI-UHFFFAOYSA-N.svg)
2-[4-(2,3-Dihydro-1H-indol-1-yl)-4-oxobutyl]-1H-isoindole-1,3(2H)-dione
CAS 300838-81-7C20H18N2O3
![2-[2-(2,4-Dimethylanilino)-2-oxoethyl]-4-quinolinecarboxylic acid chemical structure, C20H18N2O3, CAS 296883-90-4](/s/ZACFHUXCBGBLQB-UHFFFAOYSA-N.svg)
2-[2-(2,4-Dimethylanilino)-2-oxoethyl]-4-quinolinecarboxylic acid
CAS 296883-90-4C20H18N2O3
1-Allyl-4-hydroxy-2-oxo-N-(p-tolyl)-1,2-dihydroquinoline-3-carboxamide
CAS 303093-20-1C20H18N2O3
1-Allyl-N-benzyl-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxamide
CAS 300700-83-8C20H18N2O3
![N-[4-Methyl-2-[(2-methylbenzoyl)amino]phenyl]furan-2-carboxamide chemical structure, C20H18N2O3, CAS 519147-61-6](/s/QKDNAODTUYZDRD-UHFFFAOYSA-N.svg)
N-[4-Methyl-2-[(2-methylbenzoyl)amino]phenyl]furan-2-carboxamide
CAS 519147-61-6C20H18N2O3
![N-{4-[(3,5-Dimethylanilino)carbonyl]phenyl}-2-furamide chemical structure, C20H18N2O3, CAS 432495-46-0](/s/FQMYNMQZTWONHE-UHFFFAOYSA-N.svg)
N-{4-[(3,5-Dimethylanilino)carbonyl]phenyl}-2-furamide
CAS 432495-46-0C20H18N2O3
![N-(2-{[(2-Phenylethyl)amino]carbonyl}phenyl)-2-furamide chemical structure, C20H18N2O3, CAS 6047-64-9](/s/MVXCPTMUVMYDJO-UHFFFAOYSA-N.svg)
N-(2-{[(2-Phenylethyl)amino]carbonyl}phenyl)-2-furamide
CAS 6047-64-9C20H18N2O3
![[2-(2,6-Dimethyl-4-oxo-5-phenylpyrimidin-1-yl)phenyl] acetate chemical structure, C20H18N2O3, CAS 122664-44-2](/s/DIBDSGAMKSCUJK-UHFFFAOYSA-N.svg)
[2-(2,6-Dimethyl-4-oxo-5-phenylpyrimidin-1-yl)phenyl] acetate
CAS 122664-44-2C20H18N2O3
![Methyl 4-{[3-(4-methylphenyl)-6-oxopyridazin-1(6H)-yl]methyl}benzoate chemical structure, C20H18N2O3, CAS 891386-86-0](/s/ZSMWPZWVMKSUID-UHFFFAOYSA-N.svg)
Methyl 4-{[3-(4-methylphenyl)-6-oxopyridazin-1(6H)-yl]methyl}benzoate
CAS 891386-86-0C20H18N2O3
Ethyl 1-(2-oxo-2-phenylethyl)-3-phenyl-1H-pyrazole-5-carboxylate
CAS 618070-56-7C20H18N2O3
![3-[1-Benzyl-3-(2-methoxyphenyl)-1H-pyrazol-4-yl]prop-2-enoic acid chemical structure, C20H18N2O3, CAS 1006443-58-8](/s/WDLBGYAIDUCZMC-VAWYXSNFSA-N.svg)
3-[1-Benzyl-3-(2-methoxyphenyl)-1H-pyrazol-4-yl]prop-2-enoic acid
CAS 1006443-58-8C20H18N2O3
![N-{3-[(2,3-Dimethylanilino)carbonyl]phenyl}-2-furamide chemical structure, C20H18N2O3, CAS 432495-57-3](/s/DYPGACLUSSXGMD-UHFFFAOYSA-N.svg)
N-{3-[(2,3-Dimethylanilino)carbonyl]phenyl}-2-furamide
CAS 432495-57-3C20H18N2O3
![N-[4-(3-Phenylpropanoylamino)phenyl]furan-2-carboxamide chemical structure, C20H18N2O3, CAS 690676-77-8](/s/UNKMZKKOBVMCDR-UHFFFAOYSA-N.svg)
N-[4-(3-Phenylpropanoylamino)phenyl]furan-2-carboxamide
CAS 690676-77-8C20H18N2O3
8-(Diethylamino)-3-hydroxy-12H-10-oxa-5-azatetraphen-12-one
CAS 188712-74-5C20H18N2O3
2-(4-Phenylpiperazine-1-carbonyl)-4H-chromen-4-one
CAS 477545-79-2C20H18N2O3
![2-[4-(Piperidine-1-carbonyl)phenyl]isoindole-1,3-dione chemical structure, C20H18N2O3, CAS 354989-41-6](/s/VCIVIDQLORMAPO-UHFFFAOYSA-N.svg)
2-[4-(Piperidine-1-carbonyl)phenyl]isoindole-1,3-dione
CAS 354989-41-6C20H18N2O3
1-Acetyl-4-benzyl-3-(phenylmethylene)tetrahydro-2,5-pyrazinedione
CAS 338750-18-8C20H18N2O3
- 2-[4-(4-Methylphenoxy)phenoxy]-N-pyridin-4-ylacetamide328034-02-2C20H18N2O3
- N-[2-(1-Phenylethylcarbamoyl)phenyl]furan-2-carboxamide329067-83-6C20H18N2O3
- Ethyl 4-(4-methylphenoxy)-2-phenyl-5-pyrimidinecarboxylate477854-80-1C20H18N2O3
- [(1-Phenylethyl)carbamoyl]methyl quinoline-2-carboxylate380205-13-0C20H18N2O3
- 3-[(3-Oxo-4H-quinoxalin-2-yl)-phenylmethyl]pentane-2,4-dione769945-56-4C20H18N2O3
- 3-(3,4-Dimethoxy-benzylidene)-2,3-dihydro-1H-pyrrolo[2,1-b]quinazolin-9-one82083-69-0C20H18N2O3
- N'-(4-Methoxybenzylidene)-2-(1-naphthyloxy)acetohydrazide302909-21-3C20H18N2O3
- N'-(4-Methoxybenzylidene)-2-(2-naphthyloxy)acetohydrazide303065-94-3C20H18N2O3
- N-{2-Methyl-4-[(4-methylbenzoyl)amino]phenyl}-2-furamide797808-14-1C20H18N2O3
- N-[4-(1-Phenylethylcarbamoyl)phenyl]furan-2-carboxamide518009-02-4C20H18N2O3
- N-[2-[Benzyl(methyl)carbamoyl]phenyl]furan-2-carboxamide823835-98-9C20H18N2O3
- 3,7-Bis(4-methylphenyl)-1-oxa-2,7-diazaspiro[4.4]non-2-ene-6,8-dione899387-70-3C20H18N2O3
- Methyl 4-{2-cyano-2-[(1-phenylethyl)carbamoyl]eth-1-en-1-yl}benzoate1164464-45-2C20H18N2O3
- [2-(Benzylamino)-2-oxoethyl] 2-methylquinoline-4-carboxylate745021-65-2C20H18N2O3
- Methyl N-(quinoline-2-carbonyl)-L-phenylalaninate956401-53-9C20H18N2O3
- N'-(2-Methoxybenzylidene)-2-(1-naphthyloxy)acetohydrazide303084-94-8C20H18N2O3
- N-{3-[(3,5-Dimethylanilino)carbonyl]phenyl}-2-furamide667409-06-5C20H18N2O3
- N-(5-Acetamido-2-methoxyphenyl)naphthalene-2-carboxamide851454-54-1C20H18N2O3
- N'-[(2-Hydroxy-1-naphthyl)methylene]-2-(4-methoxyphenyl)acetohydrazide346721-50-4C20H18N2O3
- N'-(3-Methoxybenzylidene)-2-(2-naphthyloxy)acetohydrazide303065-31-8C20H18N2O3
- N-[2-Oxo-2-phenyl-1-(2-toluidino)ethyl]-2-furamide301359-23-9C20H18N2O3
- N-[3-(Benzylcarbamoyl)phenyl]-5-methylfuran-2-carboxamide717858-35-0C20H18N2O3
- N-[3-(Benzylcarbamoyl)phenyl]-2-methylfuran-3-carboxamide717872-38-3C20H18N2O3
- N'-(2,3-Dimethoxybenzylidene)-1-naphthohydrazide351368-83-7C20H18N2O3
- 2-((1,1'-Biphenyl)-4-yloxy)-N'-(2-furylmethylene)propanohydrazide303085-23-6C20H18N2O3
- 2-[3-(3,4-Dihydro-1H-isoquinolin-2-yl)-3-oxopropyl]isoindole-1,3-dione352660-32-3C20H18N2O3
- N'-(2-Furylmethylene)-4-((4-methylbenzyl)oxy)benzohydrazide599166-45-7C20H18N2O3
- N'-(3-Methoxybenzylidene)-2-(1-naphthyloxy)acetohydrazide303064-46-2C20H18N2O3
- N-(2-Methyl-1,3-dioxoisoindolin-4-yl)-5,6,7,8-tetrahydronaphthalene-2-carboxamide683232-68-0C20H18N2O3
- 6-Ethyl-7-hydroxy-2-methyl-3-(1-methyl-1H-1,3-benzodiazol-2-yl)-4H-chromen-4-one210639-92-2C20H18N2O3
- N-[2-[(2-Ethylphenyl)carbamoyl]phenyl]furan-2-carboxamide432535-38-1C20H18N2O3
- N-[4-[(3,4-Dimethylbenzoyl)amino]phenyl]furan-2-carboxamide420827-19-6C20H18N2O3
- 2-((2-Acetyl-1,2,3,4-tetrahydroisoquinolin-1-yl)methyl)isoindoline-1,3-dione416891-33-3C20H18N2O3
- N-[2-[(3,4-Dimethylphenyl)carbamoyl]phenyl]furan-2-carboxamide432513-20-7C20H18N2O3
- 3-(4-Phenylpiperazine-1-carbonyl)-2H-chromen-2-one420099-59-8C20H18N2O3
- 7-Hydroxy-2-isopropyl-3-(1-methyl-1H-benzo[d]imidazol-2-yl)-4H-chromen-4-one505070-74-6C20H18N2O3
- 3-[1-(4-Carbamoylphenyl)-5-phenyl-1H-pyrrol-2-yl]propanoic acid765925-97-1C20H18N2O3
- 5-(1,3-Benzoxazol-2-yl)-2-(3-methylbutyl)isoindole-1,3-dione712322-36-6C20H18N2O3
- Ethyl 6-amino-5-cyano-2-methyl-4-(1-naphthyl)-4H-pyran-3-carboxylate314766-07-9C20H18N2O3
- 3-(3-Phenyl-acryloylamino)-1H-indole-2-carboxylic acid ethyl ester330439-38-8C20H18N2O3
- [5-(1-Benzyl-6-methoxy-1H-indazol-3-yl)furan-2-yl]methanol170632-49-2C20H18N2O3
- N-[2-(Benzylcarbamoyl)phenyl]-N-methylfuran-2-carboxamide821000-85-5C20H18N2O3
- Methyl 4-[2-phenyl-2-(1H-pyrrol-1-yl)acetamido]benzoate1257547-43-5C20H18N2O3
- [(2-Phenylethyl)carbamoyl]methyl quinoline-2-carboxylate474269-86-8C20H18N2O3
- 1-(4-(1,2,3,4-Tetrahydroisoquinoline-2-carbonyl)phenyl)pyrrolidine-2,5-dione392290-03-8C20H18N2O3
- (2-Benzoyl-1,2,3,4-tetrahydro-pyrido[4,3-b]indol-5-yl)-acetic acid866459-11-2C20H18N2O3
- (Z)-3-(2,3-Dimethoxybenzylidene)-2,3-dihydropyrrolo[1,2-a]quinazolin-5(1H)-one885191-12-8C20H18N2O3
- 1-(Benzofuran-2-carbonyl)-N-ethylindoline-2-carboxamide1103515-68-9C20H18N2O3
- 3-(3,4-Dimethoxyphenyl)-6-methoxy-1H-benzo[de]cinnoline309922-39-2C20H18N2O3
- Ethyl 4-benzamido-2-methylquinoline-6-carboxylate940984-17-8C20H18N2O3
- 6-(4-Ethoxyphenyl)-3-(2-oxo-2-phenylethyl)pyrimidin-4(3H)-one1172109-16-8C20H18N2O3
- 5-(Benzyloxy)-1-methyl-4-oxo-N-phenyl-1,4-dihydropyridine-2-carboxamide669721-89-5C20H18N2O3
- Cinnofuradione477-80-5C20H18N2O3
- (R)-2-Methyl-N-(1-(naphthalen-1-yl)ethyl)-5-nitrobenzamide1093070-15-5C20H18N2O3
- 5-(Methyloxy)-2-[(phenylmethyl)oxy]-N-3-pyridinylbenzamide1285513-33-8C20H18N2O3
- N-[(2,3-Dihydro-1,4-benzodioxin-2-yl)methyl]-2-(quinolin-6-yl)acetamide2338205-99-3C20H18N2O3
- 1-[2-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-oxoethyl]-5-methyl-1H-indole-2,3-dione696626-50-3C20H18N2O3
- 3-[3-(1H-Indol-4-yloxy)propyl]-1H-indole-2-carboxylic acid1415968-42-1C20H18N2O3
- 2-Morpholino-3-(phenylamino)naphthalene-1,4-dione307541-95-3C20H18N2O3
- Aminopyrifen1531626-08-0C20H18N2O3
- Ethyl 2-[(2-phenylquinoline-4-carbonyl)amino]acetate5883-55-6C20H18N2O3
- 5H-Benzo[a]phenoxazin-5-one, 9-(diethylamino)-2-hydroxy-188712-75-6C20H18N2O3
- 4-Hydroxy-N-(3-methylphenyl)-2-oxo-1-(prop-2-en-1-yl)-1,2-dihydroquinoline-3-carboxamide300704-75-0C20H18N2O3
- 7-Hydroxy-1,2,3,4,4a,5,14,14a-octahydronaphtho[3,2-a]phenazine-8,13-dione20269-35-6C20H18N2O3
- 1-(3,4,5-Trimethoxyphenyl)-9H-pyrido[3,4-b]indole1145668-23-0C20H18N2O3
- 1-Morpholino-2-(2-phenyl-1H-indol-3-yl)-1,2-ethanedione102003-06-5C20H18N2O3
- 3-Methyl-N'-{[(naphthalen-2-yloxy)acetyl]oxy}benzenecarboximidamide425412-28-8C20H18N2O3
- 2-(4-Methoxyphenyl)imino-8-prop-2-enylchromene-3-carboxamide873577-95-8C20H18N2O3
- N-[4-(6,7-Dimethoxyisoquinolin-1-yl)phenyl]prop-2-enamide83633-14-1C20H18N2O3
- [2-(4-Methylphenyl)-2-oxoethyl] 2,3-dimethylquinoxaline-6-carboxylate524043-52-5C20H18N2O3
- (3R)-2-Acetyl-1-phenyl-2,3,4,9-tetrahydro-1H-beta-carboline-3-carboxylic acid956923-54-9C20H18N2O3
- 9-(Diethylamino)-3-hydroxy-5H-benzo[a]phenoxazin-5-one93397-90-1C20H18N2O3
- N-(4-Acetamidophenyl)-1-methoxynaphthalene-2-carboxamide311322-23-3C20H18N2O3
- 4-[3-Hydroxy-2-oxo-3-(2-oxo-2-phenylethyl)-2,3-dihydro-1H-indol-1-yl]butanenitrile442653-93-2C20H18N2O3
- 4-[4-(2,3-Dihydro-1H-indol-1-ylmethyl)-5-methyl-1,3-oxazol-2-yl]benzoic acid951518-72-2C20H18N2O3
- N-(2-Furylmethyl)-2-[(2-methylbenzoyl)amino]benzamide397858-11-6C20H18N2O3
Frequently asked questions
What is the molar mass of C20H18N2O3?
The molar mass of C20H18N2O3 is 334.38 g/mol, calculated from standard atomic weights for 20 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 334.1317 Da.
How many compounds have the formula C20H18N2O3?
CompoundList lists 289 compounds with the molecular formula C20H18N2O3, including 2-(4-Morpholinylcarbonyl)-3-(3-phenoxyphenyl)acrylonitrile, Oracine, 2-[1-(3,4-Dihydro-2H-quinolin-1-yl)-1-oxopropan-2-yl]isoindole-1,3-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 C20H18N2O3?
C20H18N2O3 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.