Molecular formula
C20H20N2O3
487 compounds have this formula on CompoundList.
- Molar mass
- 336.39g/mol
- Monoisotopic mass
- 336.1474Da
- Atoms
- 45
- Elements
- 4
- Rings plus double bonds
- 12
The formula C20H20N2O3 describes a molecule made of 20 carbon atoms, 20 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 × 2071.41%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 205.99%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 28.33%14.007 × 2 = 28.014 g/mol
- O Oxygen × 314.27%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C20H20N2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 300 of 487 compounds
![(4Z)-4-[(3,4-Dimethoxyphenyl)methylidene]-5-methyl-2-(3-methylphenyl)pyrazol-3-one chemical structure, C20H20N2O3, CAS 353771-19-4](/s/IAPIHAGWQUEMIA-BOPFTXTBSA-N.svg)
(4Z)-4-[(3,4-Dimethoxyphenyl)methylidene]-5-methyl-2-(3-methylphenyl)pyrazol-3-one
CAS 353771-19-4C20H20N2O3
1-(9H-Xanthene-9-carbonyl)piperidine-4-carboxamide
CAS 879593-65-4C20H20N2O3
![(E)-3-(Dimethylamino)-2-[2-(4-ethoxyphenoxy)benzoyl]-2-propenenitrile chemical structure, C20H20N2O3, CAS 866152-26-3](/s/HKTTWDIGQHJQAX-CCEZHUSRSA-N.svg)
(E)-3-(Dimethylamino)-2-[2-(4-ethoxyphenoxy)benzoyl]-2-propenenitrile
CAS 866152-26-3C20H20N2O3
![N-(3-Oxo-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinolin-9-yl)-2-phenoxyacetamide chemical structure, C20H20N2O3, CAS 898411-78-4](/s/AEAVGLGVTGUYHU-UHFFFAOYSA-N.svg)
N-(3-Oxo-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinolin-9-yl)-2-phenoxyacetamide
CAS 898411-78-4C20H20N2O3
(2E)-2-Cyano-3-(2,4-dimethoxyphenyl)-N-(4-ethylphenyl)acrylamide
CAS 572887-08-2C20H20N2O3
![N-[4-(Acetylamino)phenyl]-2-(5-ethyl-1-benzofuran-3-yl)acetamide chemical structure, C20H20N2O3, CAS 879928-03-7](/s/DYXGVHDSEZODKA-UHFFFAOYSA-N.svg)
N-[4-(Acetylamino)phenyl]-2-(5-ethyl-1-benzofuran-3-yl)acetamide
CAS 879928-03-7C20H20N2O3
![N-[4-(Acetylamino)phenyl]-2-(4,6-dimethyl-1-benzofuran-3-yl)acetamide chemical structure, C20H20N2O3, CAS 880785-11-5](/s/ZNFHBUAZUJZIEX-UHFFFAOYSA-N.svg)
N-[4-(Acetylamino)phenyl]-2-(4,6-dimethyl-1-benzofuran-3-yl)acetamide
CAS 880785-11-5C20H20N2O3
4-(4-Benzoylbenzoyl)-3,3-dimethylpiperazin-2-one
CAS 952897-38-0C20H20N2O3
(7-Methoxy-1-benzofuran-2-yl)(4-phenylpiperazin-1-yl)methanone
CAS 921874-11-5C20H20N2O3
![N-{9-Methyl-10-oxo-2-oxa-9-azatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-13-yl}cyclopentanecarboxamide chemical structure, C20H20N2O3, CAS 922055-32-1](/s/XGLOYZJCVCOCBP-UHFFFAOYSA-N.svg)
N-{9-Methyl-10-oxo-2-oxa-9-azatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-13-yl}cyclopentanecarboxamide
CAS 922055-32-1C20H20N2O3
![3-[7-Methyl-2-oxo-1-(propan-2-yl)-1,2-dihydroquinazolin-4-yl]phenyl acetate chemical structure, C20H20N2O3, CAS 65765-08-4](/s/YCBCHXJLGBLTKG-UHFFFAOYSA-N.svg)
3-[7-Methyl-2-oxo-1-(propan-2-yl)-1,2-dihydroquinazolin-4-yl]phenyl acetate
CAS 65765-08-4C20H20N2O3
(2E)-2-Cyano-3-(2,4-dimethoxyphenyl)-N-(2,5-dimethylphenyl)acrylamide
CAS 502597-77-5C20H20N2O3
![8-Ethoxy-2-(4-ethylphenyl)-1,4-dihydrochromeno[2,3-c]pyrazol-3(2H)-one chemical structure, C20H20N2O3, CAS 1031599-48-0](/s/CAAOZQQWEGFUDL-UHFFFAOYSA-N.svg)
8-Ethoxy-2-(4-ethylphenyl)-1,4-dihydrochromeno[2,3-c]pyrazol-3(2H)-one
CAS 1031599-48-0C20H20N2O3
N-(4-Ethyl-2-oxo-1,2-dihydroquinolin-7-yl)-2-(3-methoxyphenyl)acetamide
CAS 1251685-77-4C20H20N2O3
(2E)-2-Cyano-3-(2,4-dimethoxyphenyl)-N-(2-ethylphenyl)acrylamide
CAS 891384-19-3C20H20N2O3
(2E)-2-Cyano-3-(2,5-dimethoxyphenyl)-N-(2-ethylphenyl)acrylamide
CAS 891382-86-8C20H20N2O3
(2E)-2-Cyano-3-(2,5-dimethoxyphenyl)-N-(4-ethylphenyl)acrylamide
CAS 898165-20-3C20H20N2O3
![1H-Isoindole-1,3(2H)-dione, 2-[[(2R)-4-(phenylmethyl)-2-morpholinyl]methyl]- chemical structure, C20H20N2O3, CAS 186202-54-0](/s/YAQSVEHQDFSDCR-MRXNPFEDSA-N.svg)
1H-Isoindole-1,3(2H)-dione, 2-[[(2R)-4-(phenylmethyl)-2-morpholinyl]methyl]-
CAS 186202-54-0C20H20N2O3
N-((1-Hydroxy-2,3-dihydro-1H-inden-1-yl)methyl)-6-methoxy-1H-indole-2-carboxamide
CAS 1795487-90-9C20H20N2O3
N-(Pyridin-3-yl(tetrahydro-2H-pyran-4-yl)methyl)benzofuran-2-carboxamide
CAS 2034548-57-5C20H20N2O3
Barbituric acid, 5-butyl-1,3-diphenyl-
CAS 745-34-6C20H20N2O3
![N-(4-Methoxyphenyl)-N-[(8-methyl-2-oxo-1H-quinolin-3-yl)methyl]acetamide chemical structure, C20H20N2O3, CAS 510738-88-2](/s/NAOCVMNNNYCWQW-UHFFFAOYSA-N.svg)
N-(4-Methoxyphenyl)-N-[(8-methyl-2-oxo-1H-quinolin-3-yl)methyl]acetamide
CAS 510738-88-2C20H20N2O3
2-(2,8-Dimethyl-4-oxoquinolin-1-yl)-N-(2-methoxyphenyl)acetamide
CAS 489417-10-9C20H20N2O3
4-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-N-(4-ethylphenyl)butanamide
CAS 611176-81-9C20H20N2O3
- 2-(2,8-Dimethyl-4-oxoquinolin-1-yl)-N-(3-methoxyphenyl)acetamide384796-42-3C20H20N2O3
- N-(2,3-Dimethylphenyl)-2-(5-methoxy-1-oxoisoquinolin-2-yl)acetamide868223-34-1C20H20N2O3
- N-(3,5-Dimethylphenyl)-2-(5-methoxy-1-oxoisoquinolin-2-yl)acetamide868223-37-4C20H20N2O3
- N-(4-Ethylphenyl)-2-(5-methoxy-1-oxoisoquinolin-2-yl)acetamide868223-39-6C20H20N2O3
- (E)-2-Cyano-N-(3,4-dimethoxyphenyl)-3-(4-ethylphenyl)prop-2-enamide554436-41-8C20H20N2O3
- 1-(4-Methoxyphenyl)-4-(oxolan-2-ylmethoxy)phthalazine702649-55-6C20H20N2O3
- N-[4-(Pentanoylamino)phenyl]-1-benzofuran-2-carboxamide842114-10-7C20H20N2O3
- 2(3H)-Benzoxazolone, 6-benzoyl-3-(1-piperidinylmethyl)-99541-40-9C20H20N2O3
- 2-[(4-Prop-2-enoxybenzoyl)amino]-N-prop-2-enylbenzamide881243-83-0C20H20N2O3
- N-[(Z)-1-(5,6,7,8-Tetrahydronaphthalen-2-yl)ethylideneamino]-1,3-benzodioxole-5-carboxamide342000-39-9C20H20N2O3
- 2-Cyano-3-(2,3-dimethoxyphenyl)-N-(1-phenylethyl)prop-2-enamide365270-37-7C20H20N2O3
- Hexanoic acid, 6-(6-methoxy-11H-pyrido(4,3-c)(2)benzazepin-11-ylidene)-, (E)-127654-04-0C20H20N2O3
- 2-(1,2-Dimethyl-1H-indol-3-yl)-N-(4-ethoxyphenyl)-2-oxoacetamide862831-54-7C20H20N2O3
- 2-(1,2-Dimethyl-1H-indol-3-yl)-N-(2-methoxy-5-methylphenyl)-2-oxoacetamide862831-81-0C20H20N2O3
- 3-Pentanamido-N-phenylbenzofuran-2-carboxamide887884-07-3C20H20N2O3
- 3-(3-Methylbutanamido)-N-phenylbenzofuran-2-carboxamide887884-15-3C20H20N2O3
- 1-[(4-Methoxyphenyl)methyl]-4-[(4-methylphenyl)methyl]pyrazine-2,3-dione895644-58-3C20H20N2O3
- N-(4-Ethylphenyl)-3-propionamidobenzofuran-2-carboxamide888453-69-8C20H20N2O3
- 4-Methoxy-N-{2-oxo-1-azatricyclo[7.3.1.0^{5,13}]trideca-5,7,9(13)-trien-7-yl}benzamide898455-21-5C20H20N2O3
- 2-Methoxy-N-{2-oxo-1-azatricyclo[7.3.1.0^{5,13}]trideca-5,7,9(13)-trien-7-yl}benzamide903338-85-2C20H20N2O3
- 3-Methoxy-N-{2-oxo-1-azatricyclo[7.3.1.0^{5,13}]trideca-5,7,9(13)-trien-7-yl}benzamide898455-35-1C20H20N2O3
- 6-(3,4-Dimethoxyphenyl)-2-(3-methylbenzyl)pyridazin-3(2H)-one922902-85-0C20H20N2O3
- 6-(3,4-Dimethoxyphenyl)-2-(2-methylbenzyl)pyridazin-3(2H)-one923102-25-4C20H20N2O3
- 6-(2,5-Dimethoxyphenyl)-2-(2-methylbenzyl)pyridazin-3(2H)-one923091-47-8C20H20N2O3
- 6-(2,5-Dimethoxyphenyl)-2-(4-methylbenzyl)pyridazin-3(2H)-one922914-50-9C20H20N2O3
- 2-Methoxy-N-{3-methyl-2-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4,6,8(12)-trien-6-yl}benzamide898410-96-3C20H20N2O3
- N-[2-(4-Methoxyphenyl)ethyl]-2-(5-phenyl-1,2-oxazol-3-yl)acetamide952999-61-0C20H20N2O3
- Methyl 4-[[(1,2,3-trimethyl-1H-indol-5-yl)carbonyl]amino]benzoate832673-74-2C20H20N2O3
- D-Tryptophan, N-(3-oxo-3-phenylpropyl)-92515-11-2C20H20N2O3
- 3-[[(2,3-Dihydro-1,4-benzodioxin-6-yl)amino]methyl]-5,7-dimethyl-2(1H)-quinolinone947013-06-1C20H20N2O3
- N-(1-Cyclopropanecarbonyl-2,3-dihydro-1H-indol-6-yl)-2-phenoxyacetamide1058237-90-3C20H20N2O3
- (R)-2-(3-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-hydroxypropyl)isoindoline-1,3-dione2007920-19-4C20H20N2O3
- 4-{[(2-Phenyl-1H-indol-1-yl)acetyl]amino}butanoic acid1144468-94-9C20H20N2O3
- 2-Hydroxyethyl 3-(3,4-dimethylphenyl)-1-phenyl-1H-pyrazole-4-carboxylate1171067-19-8C20H20N2O3
- 1-Ethyl-N-(2-methoxyphenyl)-2-methyl-4-oxo-1,4-dihydroquinoline-6-carboxamide1010923-33-7C20H20N2O3
- Methyl 4-[(4-ethoxyphenyl)amino]-8-methylquinoline-2-carboxylate1207000-62-1C20H20N2O3
- N-(2-Ethoxyquinolin-8-yl)-2-(3-methoxyphenyl)acetamide1251546-06-1C20H20N2O3
- (E)-N-(2-(Cyclopropanecarbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)-3-(furan-2-yl)acrylamide1331592-89-2C20H20N2O3
- (2Z)-8-Methoxy-2-{[3-(propan-2-yl)phenyl]imino}-2H-chromene-3-carboxamide1327181-01-0C20H20N2O3
- 1-Ethyl-N-(3-ethylphenyl)-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxamide941982-99-6C20H20N2O3
- 3-[2-Hydroxy-2-(naphthalen-1-yl)ethyl]-1-(3-methoxyphenyl)urea1351606-99-9C20H20N2O3
- Methyl 4-(1-(indoline-7-carboxamido)cyclopropyl)benzoate1050656-17-1C20H20N2O3
- N~4~-isopropyl-2-(2-methoxyphenyl)-1-oxo-1,2-dihydro-4-isoquinolinecarboxamide1401597-26-9C20H20N2O3
- N-(2-([1,1'-Biphenyl]-4-yl)-2-hydroxypropyl)-5-methylisoxazole-3-carboxamide1396768-94-7C20H20N2O3
- 1-Methyl-1H-benzo[d]imidazol-5-yl 4-phenyltetrahydro-2H-pyran-4-carboxylate1351586-65-6C20H20N2O3
- 1-Benzhydryl-3-(2-(furan-3-yl)-2-hydroxyethyl)urea1396766-39-4C20H20N2O3
- Benzofuran-2-yl(4-((6-methylpyridin-2-yl)oxy)piperidin-1-yl)methanone1797593-75-9C20H20N2O3
- 3-(Benzyloxy)-N-(4-isopropylphenyl)isoxazole-5-carboxamide1421456-43-0C20H20N2O3
- 5-Hydroxy-2-{[4-(2-methyl-1H-indol-3-yl)-1,2,3,6-tetrahydropyridin-1-yl]methyl}-4H-pyran-4-one1394783-33-5C20H20N2O3
- 1-Benzyl-3-[(2,4,6-trimethylphenyl)methyl]imidazolidine-2,4,5-trione341967-28-0C20H20N2O3
- 1-(4-Ethoxyphenyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid534557-10-3C20H20N2O3
- 2-Ethyl-N-[4-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl]butanamide842118-26-7C20H20N2O3
- 3-Quinolinecarboxylic acid, 1,2-dihydro-1-methyl-4-((4-methylphenyl)amino)-2-oxo-, ethyl ester75483-10-2C20H20N2O3
- Benzonitrile, 3-(2-(4-(5-(methoxymethyl)-2-oxo-3-oxazolidinyl)phenyl)ethyl)-79038-54-3C20H20N2O3
- Ethyl 6-hydroxy-4-(4-methylphenyl)-2-phenyl-4,5-dihydro-5-pyrimidinecarboxylate400078-29-7C20H20N2O3
- (4E)-5-[4-(Dimethylamino)phenyl]-4-[hydroxy(phenyl)methylidene]-1-methylpyrrolidine-2,3-dione5790-87-4C20H20N2O3
- 2-[(E)-2-(3,4-Dimethoxyphenyl)ethenyl]-3-ethylquinazolin-4-one337496-92-1C20H20N2O3
- Benzamide, N-(1-(4-morpholinylcarbonyl)-2-phenylethenyl)-, (E)-38879-56-0C20H20N2O3
- Piperazinone, 3-(2-(4-ethoxyphenyl)-2-oxoethylidene)-1-phenyl-178408-26-9C20H20N2O3
- Hexanoic acid, 6-(5,6-dihydro-7-methyl-5-oxo-11H-pyrido(4,3-c)(1)benzapin-11-ylidene)-127653-88-7C20H20N2O3
- Hexanoic acid, 6-(5,6-dihydro-6-methyl-5-oxo-11H-pyrido(4,3-c)(1)benzazepin-11-ylidene)-, (E)-127654-02-8C20H20N2O3
- Hexanoic acid, 6-(6-methoxy-11H-pyrido(4,3-c)(2)benzazepin-11-ylidene)-, (Z)-127654-05-1C20H20N2O3
- N-(4-Ethoxyphenyl)-N-ethyl-2-(1H-indol-3-yl)-2-oxoacetamide852368-27-5C20H20N2O3
- 2-Ethoxy-N-{2-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4,6,8(12)-trien-6-yl}benzamide898463-29-1C20H20N2O3
- Phenyl N-[1-(cyclopropanecarbonyl)-3,4-dihydro-2H-quinolin-7-yl]carbamate897611-99-3C20H20N2O3
- 4-Ethoxy-N-{11-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4(12),5,7-trien-6-yl}benzamide898418-67-2C20H20N2O3
- 6-(3,4-Dimethoxyphenyl)-2-[(4-methylphenyl)methyl]pyridazin-3-one899946-57-7C20H20N2O3
- 6-(2,5-Dimethoxyphenyl)-2-[(3-methylphenyl)methyl]pyridazin-3-one923091-10-5C20H20N2O3
- [2-[(1-Cyanocyclopentyl)amino]-2-oxoethyl] 2-naphthalen-1-ylacetate931625-40-0C20H20N2O3
- N-{3-[(2-Methylpropyl)carbamoyl]phenyl}-1-benzofuran-2-carboxamide890971-09-2C20H20N2O3
- 2,4-Imidazolidinedione, 3-ethyl-1-(oxiranylmethyl)-5,5-diphenyl-99705-79-0C20H20N2O3
- 2-(2-Methyl-1H-indol-3-yl)-2-oxo-N-(4-propoxyphenyl)acetamide917211-93-9C20H20N2O3
- N-(2-Ethoxyphenyl)-2-(7-ethyl-1H-indol-3-yl)-2-oxoacetamide917212-41-0C20H20N2O3
- 2-(4-Methoxyphenyl)-N-((5-(p-tolyl)isoxazol-3-yl)methyl)acetamide946262-75-5C20H20N2O3
- N-((5-(4-Methoxyphenyl)isoxazol-3-yl)methyl)-3,4-dimethylbenzamide952969-16-3C20H20N2O3
- 2-(5-(3-Methoxyphenyl)isoxazol-3-yl)-N-phenethylacetamide952985-82-9C20H20N2O3
Frequently asked questions
What is the molar mass of C20H20N2O3?
The molar mass of C20H20N2O3 is 336.39 g/mol, calculated from standard atomic weights for 20 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 336.1474 Da.
How many compounds have the formula C20H20N2O3?
CompoundList lists 487 compounds with the molecular formula C20H20N2O3, including (4Z)-4-[(3,4-Dimethoxyphenyl)methylidene]-5-methyl-2-(3-methylphenyl)pyrazol-3-one, 1-(9H-Xanthene-9-carbonyl)piperidine-4-carboxamide, (E)-3-(Dimethylamino)-2-[2-(4-ethoxyphenoxy)benzoyl]-2-propenenitrile. 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 C20H20N2O3?
C20H20N2O3 has a degree of unsaturation of 12. 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.