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 101 to 200 of 289 compounds
![(2E)-N-[4-(Acetylamino)phenyl]-3-(2H-chromen-3-yl)prop-2-enamide chemical structure, C20H18N2O3, CAS 887347-44-6](/s/JHHBHFVRMTZDAQ-IZZDOVSWSA-N.svg)
(2E)-N-[4-(Acetylamino)phenyl]-3-(2H-chromen-3-yl)prop-2-enamide
CAS 887347-44-6C20H18N2O3
![6-[(Oxolan-2-yl)methyl]-5H,6H,6aH,11H-isoindolo[2,1-a]quinazoline-5,11-dione chemical structure, C20H18N2O3, CAS 1030169-97-1](/s/YHMDBRFUOUAQHI-UHFFFAOYSA-N.svg)
6-[(Oxolan-2-yl)methyl]-5H,6H,6aH,11H-isoindolo[2,1-a]quinazoline-5,11-dione
CAS 1030169-97-1C20H18N2O3
4-(6-Amino-5-benzyloxy-pyridin-3-yl)-benzoic acid methyl ester
CAS 756520-51-1C20H18N2O3
Ethyl 4-(3-(naphthalen-1-yl)ureido)benzoate
CAS 710312-69-9C20H18N2O3
![N-{4-[(2,4-Dimethylbenzoyl)amino]phenyl}-2-furamide chemical structure, C20H18N2O3, CAS 672919-33-4](/s/WZEFRFRPNZIUDN-UHFFFAOYSA-N.svg)
N-{4-[(2,4-Dimethylbenzoyl)amino]phenyl}-2-furamide
CAS 672919-33-4C20H18N2O3
![N-{3-[(3,4-Dimethylbenzoyl)amino]phenyl}-2-furamide chemical structure, C20H18N2O3, CAS 353465-36-8](/s/PVXNXBHYLJUXKY-UHFFFAOYSA-N.svg)
N-{3-[(3,4-Dimethylbenzoyl)amino]phenyl}-2-furamide
CAS 353465-36-8C20H18N2O3
![Methyl 5-[(2Z,4E)-2-cyano-5-phenylpenta-2,4-dienoyl]-2,4-dimethyl-1H-pyrrole-3-carboxylate chemical structure, C20H18N2O3, CAS 315694-21-4](/s/UHYWANDEDCDFTR-CRWKAAGYSA-N.svg)
Methyl 5-[(2Z,4E)-2-cyano-5-phenylpenta-2,4-dienoyl]-2,4-dimethyl-1H-pyrrole-3-carboxylate
CAS 315694-21-4C20H18N2O3
3-(((6-Hydroxy-2-oxo-7-phenyl-2H-chromen-4-yl)methyl)(methyl)amino)propanenitrile
CAS 859130-92-0C20H18N2O3
(Z)-2-((1H-Indol-3-yl)methylene)-7-((dimethylamino)methyl)-6-hydroxybenzofuran-3(2H)-one
CAS 896825-73-3C20H18N2O3
![2-[Ethyl(phenyl)amino]-2-oxoethyl quinoline-2-carboxylate chemical structure, C20H18N2O3, CAS 436129-97-4](/s/AOIWTVKRFRYXDU-UHFFFAOYSA-N.svg)
2-[Ethyl(phenyl)amino]-2-oxoethyl quinoline-2-carboxylate
CAS 436129-97-4C20H18N2O3
![N-[4-[(4-Ethylbenzoyl)amino]phenyl]furan-2-carboxamide chemical structure, C20H18N2O3, CAS 842115-58-6](/s/FGOQURSUSRWYDW-UHFFFAOYSA-N.svg)
N-[4-[(4-Ethylbenzoyl)amino]phenyl]furan-2-carboxamide
CAS 842115-58-6C20H18N2O3
![N-[4-Methyl-3-[(3-methylbenzoyl)amino]phenyl]furan-2-carboxamide chemical structure, C20H18N2O3, CAS 876899-23-9](/s/HIDPMUKPGBXRPG-UHFFFAOYSA-N.svg)
N-[4-Methyl-3-[(3-methylbenzoyl)amino]phenyl]furan-2-carboxamide
CAS 876899-23-9C20H18N2O3
2-Phenoxy-N-(3-phenylmethoxypyridin-2-yl)acetamide
CAS 1022318-51-9C20H18N2O3
3-(4-Phenylpiperazine-1-carbonyl)chromen-4-one
CAS 477555-50-3C20H18N2O3
![8-Benzoyl-2-(pyridin-3-yl)-8-azabicyclo[3.2.1]oct-2-ene-6-carboxylic acid chemical structure, C20H18N2O3, CAS 1447603-94-2](/s/BSSDKXJANAMJIC-UHFFFAOYSA-N.svg)
8-Benzoyl-2-(pyridin-3-yl)-8-azabicyclo[3.2.1]oct-2-ene-6-carboxylic acid
CAS 1447603-94-2C20H18N2O3
3,4-Dihydroisoquinolin-2(1H)-yl(4-hydroxy-8-methoxyquinolin-3-yl)methanone
CAS 1630835-86-7C20H18N2O3
4-(1-Cbz-4-oxopiperidin-2-yl)benzonitrile
CAS 1644667-45-7C20H18N2O3
![N'-[(E)-(4-Hydroxy-3-methoxyphenyl)methylidene]-2-(naphthalen-1-yl)acetohydrazide chemical structure, C20H18N2O3, CAS 328538-67-6](/s/WXPWYIWISXEQIU-FYJGNVAPSA-N.svg)
N'-[(E)-(4-Hydroxy-3-methoxyphenyl)methylidene]-2-(naphthalen-1-yl)acetohydrazide
CAS 328538-67-6C20H18N2O3
2-Methoxy-N-(3-phenylmethoxypyridin-2-yl)benzamide
CAS 497057-31-5C20H18N2O3
![N-[4-(2-Phenoxyethoxy)phenyl]isonicotinamide chemical structure, C20H18N2O3, CAS 881751-47-9](/s/YDBUVWBCWOQSJK-UHFFFAOYSA-N.svg)
N-[4-(2-Phenoxyethoxy)phenyl]isonicotinamide
CAS 881751-47-9C20H18N2O3
1-Benzyl-3-(3,4-dihydro-2H-1,5-benzodioxepin-7-yl)-1H-pyrazole-4-carbaldehyde
CAS 956508-53-5C20H18N2O3
![4-[2-(1,2-Dimethylindol-3-yl)-2-oxoethyl]-1,4-benzoxazin-3-one chemical structure, C20H18N2O3, CAS 879054-44-1](/s/YIJPJUANZTUGQY-UHFFFAOYSA-N.svg)
4-[2-(1,2-Dimethylindol-3-yl)-2-oxoethyl]-1,4-benzoxazin-3-one
CAS 879054-44-1C20H18N2O3
![(E)-3-(2,5-Dimethoxybenzylidene)-2,3-dihydropyrrolo[1,2-a]quinazolin-5(1H)-one chemical structure, C20H18N2O3, CAS 885191-32-2](/s/XSLPDQVIVJSOPA-ACCUITESSA-N.svg)
(E)-3-(2,5-Dimethoxybenzylidene)-2,3-dihydropyrrolo[1,2-a]quinazolin-5(1H)-one
CAS 885191-32-2C20H18N2O3
![3-[1-(2-Methyl-1H-indol-3-yl)-3-oxo-1,3-dihydro-2H-isoindol-2-yl]propanoic acid chemical structure, C20H18N2O3, CAS 914353-85-8](/s/WAYCGVGIBVZAKC-UHFFFAOYSA-N.svg)
3-[1-(2-Methyl-1H-indol-3-yl)-3-oxo-1,3-dihydro-2H-isoindol-2-yl]propanoic acid
CAS 914353-85-8C20H18N2O3
- N-[2-(1H-Indol-3-yl)ethyl]-7-methoxy-1-benzofuran-2-carboxamide514221-94-4C20H18N2O3
- N-(2-Furylmethyl)-3-[(phenylacetyl)amino]benzamide940524-88-9C20H18N2O3
- N-{3-[(3-Phenylpropanoyl)amino]phenyl}-2-furamide940507-43-7C20H18N2O3
- (Z)-3-(Benzo[d][1,3]dioxol-5-yl)-N-((2-methyl-1H-indol-5-yl)methyl)acrylamide852136-63-1C20H18N2O3
- 1 suppliersN-(2-Hydroxybenzyl)-N-(4-phenoxypyridin-3-yl)acetamide1005325-42-7C20H18N2O3
- 4-{[(2-Phenylquinolin-4-yl)carbonyl]amino}butanoic acid1219587-28-6C20H18N2O3
- N-(4-(Benzyloxy)benzyl)-6-oxo-1,6-dihydropyridine-3-carboxamide1235301-96-8C20H18N2O3
- (3-(Benzyloxy)isoxazol-5-yl)(3,4-dihydroisoquinolin-2(1H)-yl)methanone1421496-48-1C20H18N2O3
- (3-(Benzyloxy)isoxazol-5-yl)(2-methylindolin-1-yl)methanone1428366-17-9C20H18N2O3
- 5-[(6-Hydroxy-2,3-dihydro-1-benzofuran-5-yl)methyl]-6-methyl-2-phenylpyrimidin-4(1H)-one18006-89-8C20H18N2O3
- Barbituric acid, 5-allyl-1-benzyl-5-phenyl-73680-96-3C20H18N2O3
- N-[2-[(2,3-Dimethylphenyl)carbamoyl]phenyl]furan-2-carboxamide405903-19-7C20H18N2O3
- N-[4-[(2,3-Dimethylphenyl)carbamoyl]phenyl]furan-2-carboxamide667409-10-1C20H18N2O3
- 1-(3-Methoxyphenyl)-3-(4-phenoxyphenyl)urea701948-99-4C20H18N2O3
- 2-(2-Oxo-2-(3-phenylpyrrolidin-1-yl)ethyl)isoindoline-1,3-dione443666-22-6C20H18N2O3
- N-[4-Methyl-3-[(4-methylbenzoyl)amino]phenyl]furan-2-carboxamide893035-69-3C20H18N2O3
- N-{4-Methyl-3-[(phenylacetyl)amino]phenyl}-2-furamide893035-12-6C20H18N2O3
- 2-Acetyl-1-phenyl-1,3,4,9-tetrahydropyrido[3,4-b]indole-3-carboxylic acid1098770-48-9C20H18N2O3
- N-[4-(2-Phenoxyethoxy)phenyl]pyridine-3-carboxamide881751-22-0C20H18N2O3
- [1-(1,2-Dimethyl-1H-indol-3-yl)-3-oxo-1,3-dihydro-2H-isoindol-2-yl]acetic acid879586-26-2C20H18N2O3
- 3-Phenoxy-N-(4,5,6,7-tetrahydrobenzo[c]isoxazol-3-yl)benzamide946370-52-1C20H18N2O3
- (5-(4-Methoxyphenyl)oxazol-2-yl)(2-methylindolin-1-yl)methanone955730-56-0C20H18N2O3
- N-{3-[(4-Ethylbenzoyl)amino]phenyl}-2-furamide900752-07-0C20H18N2O3
- N-[3-(2-Phenoxyethoxy)phenyl]nicotinamide903440-04-0C20H18N2O3
- N-[3-(2-Phenoxyethoxy)phenyl]isonicotinamide903472-91-3C20H18N2O3
- N-[2-(2-Phenoxyethoxy)phenyl]isonicotinamide914453-09-1C20H18N2O3
- 6-Methyl-4-[2-(1-methyl-1H-indol-3-yl)-2-oxoethyl]-2H-1,4-benzoxazin-3(4H)-one938015-54-4C20H18N2O3
- {[(2-Methylphenyl)methyl]carbamoyl}methyl quinoline-2-carboxylate1795033-01-0C20H18N2O3
- (2E)-3-(3,4-Dimethoxyphenyl)-N-(isoquinolin-5-yl)prop-2-enamide1021021-33-9C20H18N2O3
- N-(4-(Benzyloxy)benzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide1324354-30-4C20H18N2O3
- Pentyl 4-(3,4-dicyanophenoxy)benzoate919766-66-8C20H18N2O3
- N-(2-(3-Methylisoxazol-5-yl)ethyl)-9H-xanthene-9-carboxamide1421462-20-5C20H18N2O3
- 3,4-Dihydroisoquinolin-2(1H)-yl(4-hydroxy-6-methoxyquinolin-3-yl)methanone1630841-24-5C20H18N2O3
- 3,4-Dihydroisoquinolin-2(1H)-yl(4-hydroxy-7-methoxyquinolin-3-yl)methanone1630869-26-9C20H18N2O3
- Hippuric acid, p-(2-methyl-5-phenylpyrrol-1-yl)-26180-62-1C20H18N2O3
- N-[2-[(3,5-Dimethylphenyl)carbamoyl]phenyl]furan-2-carboxamide667409-08-7C20H18N2O3
- N-[2-[(4-Ethylphenyl)carbamoyl]phenyl]furan-2-carboxamide694452-23-8C20H18N2O3
- N-(4-Acetamidophenyl)-2-[(naphthalen-2-yl)oxy]acetamide349644-13-9C20H18N2O3
- 2-(3-Methyl-1-benzofuran-2-yl)-5-[4-(propan-2-yloxy)phenyl]-1,3,4-oxadiazole780815-53-4C20H18N2O3
- N-[3-[(2,4-Dimethylbenzoyl)amino]phenyl]furan-2-carboxamide674336-75-5C20H18N2O3
- 1-(3-Methoxyphenyl)-3-(1-methyl-1H-indol-3-yl)pyrrolidine-2,5-dione4574-80-5C20H18N2O3
- 2-Methyl-N-[(E)-(3-phenylmethoxyphenyl)methylideneamino]furan-3-carboxamide292611-92-8C20H18N2O3
- N'-(4-Ethoxybenzylidene)-3-hydroxy-2-naphthohydrazide91989-57-0C20H18N2O3
- 2-(2-Methyl-1H-indol-3-yl)-2-oxo-N-[4-(prop-2-en-1-yloxy)phenyl]acetamide917211-96-2C20H18N2O3
- 1-(Indolin-1-yl)-2-(5-(3-methoxyphenyl)isoxazol-3-yl)ethanone953138-42-6C20H18N2O3
- (3,4-Dihydroquinolin-1(2H)-yl)(5-(4-methoxyphenyl)oxazol-2-yl)methanone955679-51-3C20H18N2O3
- (3,4-Dihydroisoquinolin-2(1H)-yl)(5-(4-methoxyphenyl)oxazol-2-yl)methanone955730-34-4C20H18N2O3
- N-(3-{[(2-Furylmethyl)amino]carbonyl}phenyl)-2-methylbenzamide940524-52-7C20H18N2O3
- 2-Hydroxy-6-[6-(4-morpholinyl)-3-pyridinyl]-1-naphthalenecarboxaldehyde1093119-38-0C20H18N2O3
- 2-(2,3-Dihydro-1-benzofuran-6-yl)-N-(7-methoxyquinolin-3-yl)acetamide1401603-09-5C20H18N2O3
- 3-Hydroxy-5-(3,5-dimethylisoxazol-4-yl)-3-o-tolylindolin-2-one1629277-60-6C20H18N2O3
- Rauvotetraphylline E1422506-53-3C20H18N2O3
- 4-Ethoxy-N'-[(E)-(2-hydroxynaphthalen-1-yl)methylidene]benzohydrazide324055-32-5C20H18N2O3
- 1-{[(4-Methoxybenzoyl)oxy]imino}-2,3,4,9-tetrahydro-1H-carbazole866149-51-1C20H18N2O3
- (Z)-N'-(4-Hydroxy-3-methoxybenzylidene)-2-(naphthalen-1-yl)acetohydrazideC20H18N2O3
- 6-(5-Formyl-6-hydroxy-2-naphthalenyl)-N-(1-methylethyl)-2-pyridinecarboxamide1093119-44-8C20H18N2O3
- N-Benzyl-4-(3-methoxybenzoyl)-1H-pyrrole-2-carboxamide478078-86-3C20H18N2O3
- (5E)-1-(3,5-Dimethylphenyl)-5-(3-methylbenzylidene)pyrimidine-2,4,6(1H,3H,5H)-trione340303-02-8C20H18N2O3
- [2-(2,6-Dimethylanilino)-2-oxoethyl] quinoline-2-carboxylate387857-33-2C20H18N2O3
- 1-(Benzyloxy)-N-(4-methylphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide847464-27-1C20H18N2O3
- N-Benzyl-4-(4-methoxybenzoyl)-1H-pyrrole-2-carboxamide478259-47-1C20H18N2O3
- 2-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-4H-isoquinoline-1,3-dione866138-18-3C20H18N2O3
- 3-Pyrazolin-5-one, 4-(2-(p-anisoyl)vinyl)-3-methyl-1-phenyl-24428-82-8C20H18N2O3
- N-[4-(Morpholine-4-carbonyl)phenyl]-3-phenylprop-2-ynamide898161-33-6C20H18N2O3
- N-{4-[(2-Phenylethyl)carbamoyl]phenyl}furan-2-carboxamide891008-59-6C20H18N2O3
- N-Cyclopropyl-3-(7-hydroxy-1-oxoisoquinolin-2(1H)-yl)-4-methylbenzamide895568-26-0C20H18N2O3
- 2-[(5-Methoxy-2,3-dimethyl-1H-indol-6-yl)methyl]-1H-isoindole-1,3(2H)-dione101004-44-8C20H18N2O3
- 1-(Indolin-1-yl)-2-(5-(4-methoxyphenyl)isoxazol-3-yl)ethanone953205-58-8C20H18N2O3
- 4-Phenoxy-N-(4,5,6,7-tetrahydrobenzo[c]isoxazol-3-yl)benzamide946224-61-9C20H18N2O3
- N-(Furan-2-ylmethyl)-4-methyl-3-[(phenylcarbonyl)amino]benzamide945297-42-7C20H18N2O3
- 4-[2-(1-Ethyl-1H-indol-3-yl)-2-oxoethyl]-2H-1,4-benzoxazin-3(4H)-one938003-87-3C20H18N2O3
- 4-(4-(Benzyloxy)phenoxy)-N-methylpicolinamide769961-07-1C20H18N2O3
- 9-Ethoxy-2-(3-methylphenyl)-3H,4H,5H-chromeno[2,3-d]pyrimidin-4-one902886-33-3C20H18N2O3
- 6,7-Dimethoxy-4-[(1-methyl-5-indolyl)oxy]quinoline666729-41-5C20H18N2O3
- Methyl 3-[(2-phenylquinolin-4-yl)formamido]propanoate1225164-49-7C20H18N2O3
- 2-(3,4-Dimethylphenyl)-8-ethoxychromeno[2,3-c]pyrazol-3(2H)-one954107-29-0C20H18N2O3
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 (2E)-N-[4-(Acetylamino)phenyl]-3-(2H-chromen-3-yl)prop-2-enamide, 6-[(Oxolan-2-yl)methyl]-5H,6H,6aH,11H-isoindolo[2,1-a]quinazoline-5,11-dione, 4-(6-Amino-5-benzyloxy-pyridin-3-yl)-benzoic acid methyl ester. 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.