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 201 to 289 of 289 compounds
![N-(Cyanomethyl)-2-[(5-oxo-5,6,7,8-tetrahydronaphthalen-2-yl)oxy]-N-phenylacetamide chemical structure, C20H18N2O3, CAS 1333810-06-2](/s/BRCSKWNHHRLJTD-UHFFFAOYSA-N.svg)
N-(Cyanomethyl)-2-[(5-oxo-5,6,7,8-tetrahydronaphthalen-2-yl)oxy]-N-phenylacetamide
CAS 1333810-06-2C20H18N2O3
![2-(1-Benzofuran-2-yl)-N-[cyano-(2-methoxyphenyl)methyl]propanamide chemical structure, C20H18N2O3, CAS 1436226-51-5](/s/IPVPVAFKABHMQK-UHFFFAOYSA-N.svg)
2-(1-Benzofuran-2-yl)-N-[cyano-(2-methoxyphenyl)methyl]propanamide
CAS 1436226-51-5C20H18N2O3
Methyl 2-((benzyloxy)amino)-4-phenylnicotinate
CAS 1003931-60-9C20H18N2O3
![N-([1,1'-Biphenyl]-2-yl)-4-methoxy-1-methyl-6-oxo-1,6-dihydropyridine-3-carboxamide chemical structure, C20H18N2O3, CAS 2034618-74-9](/s/VGWDIBCEQNJNEL-UHFFFAOYSA-N.svg)
N-([1,1'-Biphenyl]-2-yl)-4-methoxy-1-methyl-6-oxo-1,6-dihydropyridine-3-carboxamide
CAS 2034618-74-9C20H18N2O3
N-(2-Hydroxy-2-(1-methyl-1H-indol-5-yl)ethyl)benzofuran-2-carboxamide
CAS 2034258-57-4C20H18N2O3
N1-(4-(furan-3-yl)benzyl)-N2-(m-tolyl)oxalamide
CAS 2034603-24-0C20H18N2O3
N-((6-(Furan-3-yl)pyridin-3-yl)methyl)chroman-2-carboxamide
CAS 2034383-22-5C20H18N2O3
N-((5-(Furan-2-yl)pyridin-3-yl)methyl)chroman-2-carboxamide
CAS 2034466-63-0C20H18N2O3
![Methyl 2-[2-[[cyano(cyclopropyl)methyl]carbamoyl]phenyl]benzoate chemical structure, C20H18N2O3, CAS 1825688-42-3](/s/JGFYMQMOPIKNIV-UHFFFAOYSA-N.svg)
Methyl 2-[2-[[cyano(cyclopropyl)methyl]carbamoyl]phenyl]benzoate
CAS 1825688-42-3C20H18N2O3
2-(((4-(2-Aza-2-methoxy-1-methylvinyl)phenyl)amino)ethylidene)indane-1,3-dione
CAS 1025581-08-1C20H18N2O3
2-(2,4-Dimethoxyphenyl)-3-hydroxy-3-(quinolin-4-yl)propanenitrile
CAS 5219-36-3C20H18N2O3
2-Cyano-3-(2,3-dihydro-1,4-benzodioxin-6-yl)-N-(2,5-dimethylphenyl)prop-2-enamide
CAS 744224-35-9C20H18N2O3
(5E)-1-(3,4-Dimethylphenyl)-5-(3-methylbenzylidene)pyrimidine-2,4,6(1H,3H,5H)-trione
CAS 347385-33-5C20H18N2O3
![Methyl 4-{2-cyano-2-[(2,6-dimethylphenyl)carbamoyl]eth-1-en-1-yl}benzoate chemical structure, C20H18N2O3, CAS 444091-91-2](/s/KWGFEJSDLNRYPU-GZTJUZNOSA-N.svg)
Methyl 4-{2-cyano-2-[(2,6-dimethylphenyl)carbamoyl]eth-1-en-1-yl}benzoate
CAS 444091-91-2C20H18N2O3
2-Cyano-3-(2,3-dihydro-1,4-benzodioxin-6-yl)-N-(2,4-dimethylphenyl)prop-2-enamide
CAS 940799-90-6C20H18N2O3
1-(2-Methoxyphenyl)-3-(1-methylindol-3-yl)pyrrolidine-2,5-dione
CAS 708996-76-3C20H18N2O3
3-(1-Ethylindol-3-yl)-1-(4-hydroxyphenyl)pyrrolidine-2,5-dione
CAS 859661-76-0C20H18N2O3
![Benzonitrile, 2-[2-[2-(8-quinolinyloxy)ethoxy]ethoxy]- chemical structure, C20H18N2O3, CAS 62107-88-4](/s/OROZLQAUXNHPCB-UHFFFAOYSA-N.svg)
Benzonitrile, 2-[2-[2-(8-quinolinyloxy)ethoxy]ethoxy]-
CAS 62107-88-4C20H18N2O3
![N-[2-[(3,4-Dimethylbenzoyl)amino]phenyl]furan-2-carboxamide chemical structure, C20H18N2O3, CAS 847468-62-6](/s/CPWGPQAJEKTGBM-UHFFFAOYSA-N.svg)
N-[2-[(3,4-Dimethylbenzoyl)amino]phenyl]furan-2-carboxamide
CAS 847468-62-6C20H18N2O3
3H-Indazol-3-one, 2,3a,4,5-tetrahydro-6-(2-hydroxy-4-methoxyphenyl)-4-phenyl-
CAS 101986-20-3C20H18N2O3
N-(4-Acetylphenyl)-2-(1,2-dimethyl-1H-indol-3-yl)-2-oxoacetamide
CAS 862831-57-0C20H18N2O3
N-(3-Acetylphenyl)-2-(1,2-dimethyl-1H-indol-3-yl)-2-oxoacetamide
CAS 862831-58-1C20H18N2O3
1-Benzyl-N-(4-methoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 946245-29-0C20H18N2O3
1-Benzyl-N-(2-methoxyphenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide
CAS 1004256-16-9C20H18N2O3
- (2E)-N-(Furan-2-ylmethyl)-3-(4-methylphenyl)-2-(2-oxopyridin-1(2H)-yl)prop-2-enamide896082-79-4C20H18N2O3
- 3-[(4-Acetylphenyl)amino]-1-(2-phenylethyl)-1H-pyrrole-2,5-dione921450-34-2C20H18N2O3
- (2E)-3-(4-Methoxyphenyl)-N-[3-(4-methylphenyl)-1,2-oxazol-5-yl]prop-2-enamide901660-83-1C20H18N2O3
- 4-{[2-(Naphthalen-2-yloxy)propanoyl]amino}benzamide928882-85-3C20H18N2O3
- N-Benzyl-2-cyano-3-(3,4-dihydro-2H-1,5-benzodioxepin-6-yl)prop-2-enamide1390913-17-3C20H18N2O3
- 6-Quinolinecarboxamide,N-[[4-(1,3-dioxolan-2-yl)phenyl]methyl]-849805-71-6C20H18N2O3
- Ethyl 2-benzyl-6-oxo-2,6,7,8-tetrahydrocyclopenta[e]indazole-7-carboxylate1235962-97-6C20H18N2O3
- N-(3-Phenylacryloyl)-L-tryptophan87579-13-3C20H18N2O3
- 2-(3-((4-Methoxybenzyloxy)methyl)-5-methylisoxazol-4-yl)benzonitrile1380089-26-8C20H18N2O3
- N-(4-Cyanooxan-4-yl)-2-{naphtho[2,1-b]furan-2-yl}acetamide1445670-82-5C20H18N2O3
- N-(3-(Isoxazol-4-yl)propyl)-9H-xanthene-9-carboxamide1903332-41-1C20H18N2O3
- 9-Ethoxy-2-(4-methylphenyl)-3H,4H,5H-chromeno[2,3-d]pyrimidin-4-one2097899-54-0C20H18N2O3
- Serpentinic acid605-14-1C20H18N2O3
- 2-Cyano-3-(2,3-dihydro-1,4-benzodioxin-6-yl)-N-(1-phenylethyl)prop-2-enamide725709-91-1C20H18N2O3
- 4-{[1-(3-Methoxynaphthalene-2-carbonyl)azetidin-3-yl]oxy}pyridine2415487-82-8C20H18N2O3
- 5-[(1-Acryloylazetidin-3-yl)oxy]-2 inverted exclamation mark-methoxy-[1,1 inverted exclamation mark-biphenyl]-3-carbonitrile2447632-65-5C20H18N2O3
- 2-Cyano-N-(2,3-dihydro-1,4-benzodioxin-6-yl)-3-(2,5-dimethylphenyl)prop-2-enamide891381-39-8C20H18N2O3
- Benzamide, 4,4'-(2,5-furandiyl)bis[N-methyl-199918-98-4C20H18N2O3
- 1-(4-Methoxyphenyl)-3-(2-methyl-1H-indol-3-yl)pyrrolidine-2,5-dione61123-25-9C20H18N2O3
- 1,4-Dihydro-N-(1,2,3,4-tetrahydro-6-hydroxynaphthalen-7-yl)-4-oxoquinoline-3-carboxamide873050-73-8C20H18N2O3
- (R)-2-Cinnamamido-3-(1H-indol-3-yl)propanoic acid87579-14-4C20H18N2O3
- 1,4-Dihydro-N-(1,2,3,4-tetrahydro-1-hydroxynaphthalen-7-yl)-4-oxoquinoline-3-carboxamide873052-15-4C20H18N2O3
- Benzyl 3-(1H-indol-3-yl)-4-oxopyrrolidine-1-carboxylate1207634-66-9C20H18N2O3
- 5-Ethyl-2-oxo-6-(4-(phenylamino)phenyl)-1,2-dihydropyridine-3-carboxylic acid1426662-73-8C20H18N2O3
- 4-(2-Methoxybenzoyl)-2-methyl-6-(4-methylphenyl)pyridazin-3(2H)-one832712-34-2C20H18N2O3
- Ethyl 4-methyl-2-phenoxy-6-phenylpyrimidine-5-carboxylate928119-10-2C20H18N2O3
- [1-(3,4-Dimethoxyphenyl)-3-oxo-3-phenylpropyl]propanedinitrile876746-72-4C20H18N2O3
- Rauvotetraphylline EC20H18N2O3
- 1-Ethyl-3-(2-phenylethyl)-[1]benzofuro[3,2-d]pyrimidine-2,4-dione2742006-45-5C20H18N2O3
- 1-(1-Naphthalenyl)-5,5-di-2-propen-1-yl-2,4,6(1H,3H,5H)-pyrimidinetrione30152-58-0C20H18N2O3
- Ethyl [1-(3-phenylprop-2-enoyl)-1H-benzimidazol-2-yl]acetate52335-21-4C20H18N2O3
- tert-Butyl 9-cyano-10-oxo-2-azatricyclo[9.4.0.0,3,8]pentadeca-1(11),3(8),4,6,12,14-hexaene-2-carboxylate2680779-08-0C20H18N2O3
- 3-(1-Oxo-4-(o-tolyl)isoindolin-2-yl)piperidine-2,6-dione2869188-45-2C20H18N2O3
- 3-(1-Oxo-5-(o-tolyl)isoindolin-2-yl)piperidine-2,6-dione2920439-47-8C20H18N2O3
- Ethyl p-(5-oxobicyclo(4.4.1)undeca-3,6,8,10-tetraen-2-ylidene)hydrazinobenzoate89154-51-8C20H18N2O3
- 1-Benzyl-3-(1-oxoisoindolin-2-yl)piperidine-2,6-dione26840-61-9C20H18N2O3
- Ethyl (2-oxo-4,6-diphenylpyrimidin-1(2H)-yl)acetate66156-32-9C20H18N2O3
- (2R)-{[(2R)-2-Amino-2-(naphthalen-1-yl)acetyl]amino}(phenyl)acetic acid160289-70-3C20H18N2O3
- Ethyl (6-oxo-3,5-diphenylpyridazin-1(6H)-yl)acetate127661-83-0C20H18N2O3
- Ethyl 1-(4-acetylphenyl)-3-phenyl-1H-pyrazole-4-carboxylate853356-12-4C20H18N2O3
- N-[(2,6-Dimethylphenyl)carbamoyl]-3-hydroxynaphthalene-2-carboxamide908243-71-0C20H18N2O3
- 2-Methylquinolin-8-yl (4-acetamidophenyl)acetate118380-00-0C20H18N2O3
- 9-[Ethyl(2-hydroxyethyl)amino]-5H-benzo[a]phenoxazin-5-one62770-22-3C20H18N2O3
- (2R)-2-(2-Amino-2-(naphthalen-1-yl)acetamido)-2-phenylacetic acidC20H18N2O3
- Z-Gly-betana95424-85-4C20H18N2O3
- (2R)-2-[2-Amino-2-(naphthalen-1-yl)acetamido]-2-phenylacetic acidC20H18N2O3
- Benzyl N-[4-(phenoxymethyl)pyridin-2-yl]carbamate2803852-11-9C20H18N2O3
- Benzyl N-[(2-hydroxyphenyl)methyl]-N-(pyridin-2-yl)carbamate2680793-87-5C20H18N2O3
- Benzyl N-{2-[hydroxy(pyridin-2-yl)methyl]phenyl}carbamate2680895-04-7C20H18N2O3
- Benzyl N-(3-acetyl-2-methylquinolin-4-yl)carbamate2680864-82-6C20H18N2O3
- (9H-Fluoren-9-yl)methyl N-[2-(1,3-oxazol-4-yl)ethyl]carbamate2694722-52-4C20H18N2O3
- (9H-Fluoren-9-yl)methyl 3-cyano-3-(hydroxymethyl)azetidine-1-carboxylate2763985-13-1C20H18N2O3
- (9H-Fluoren-9-yl)methyl 3-(cyanomethyl)-3-hydroxyazetidine-1-carboxylate2763919-25-9C20H18N2O3
- (9H-Fluoren-9-yl)methyl N-{[(prop-2-yn-1-yl)carbamoyl]methyl}carbamate1619260-83-1C20H18N2O3
- (9H-Fluoren-9-yl)methyl N-(1-carbamoylbut-3-yn-1-yl)carbamate2770486-76-3C20H18N2O3
- (9H-Fluoren-9-yl)methyl N-[2-(prop-2-ynamido)ethyl]carbamate2770494-69-2C20H18N2O3
- Benzyl 3-(2-ethynylbenzamido)azetidine-1-carboxylate3078412-04-8C20H18N2O3
- 3-(Morpholine-4-carbonyl)-2-phenyl-1,2-dihydroisoquinolin-1-one3054590-01-8C20H18N2O3
- 4-[(Z)-({5-[Ethyl(phenyl)amino]-2-furyl}methylene)amino]benzoic acid802329-59-5C20H18N2O3
- 3-[9-(2-Deoxy-|A-D-erythro-pentofuranosyl)-9H-carbazol-3-yl]-2-propenenitrile1044273-23-5C20H18N2O3
- (4,5-Diphenyl-1,3-oxazol-2-yl)-morpholin-4-ylmethanone34015-88-8C20H18N2O3
- Benzyl 4-methyl-2-oxo-6-(p-tolyl)-1,2-dihydropyrimidine-5-carboxylate2368929-56-8C20H18N2O3
- Methyl (3S)-2-benzyl-1-oxo-3,4-dihydropyrazino[1,2-a]indole-3-carboxylate2057431-48-6C20H18N2O3
- 3-Cyanovinyl-9-(2'-deoxyribofuranosyl)carbazole1157899-67-6C20H18N2O3
- 1-Benzyl-3-(5-methoxy-1H-indol-3-yl)pyrrolidine-2,5-dione190326-04-6C20H18N2O3
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 N-(Cyanomethyl)-2-[(5-oxo-5,6,7,8-tetrahydronaphthalen-2-yl)oxy]-N-phenylacetamide, 2-(1-Benzofuran-2-yl)-N-[cyano-(2-methoxyphenyl)methyl]propanamide, Methyl 2-((benzyloxy)amino)-4-phenylnicotinate. 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.