Molecular formula
C21H20N2O4
266 compounds have this formula on CompoundList.
- Molar mass
- 364.40g/mol
- Monoisotopic mass
- 364.1423Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H20N2O4 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 4 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 × 2169.22%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 205.53%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 27.69%14.007 × 2 = 28.014 g/mol
- O Oxygen × 417.56%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C21H20N2O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 266 compounds
![N'-[(E)-(4-Hydroxy-3,5-dimethoxyphenyl)methylidene]-2-(naphthalen-1-yl)acetohydrazide chemical structure, C21H20N2O4, CAS 419554-27-1](/s/FORQYHOMBSFMBG-LPYMAVHISA-N.svg)
N'-[(E)-(4-Hydroxy-3,5-dimethoxyphenyl)methylidene]-2-(naphthalen-1-yl)acetohydrazide
CAS 419554-27-1C21H20N2O4
N~1~-(9,10-Dioxo-9,10-dihydroanthracen-2-yl)-N~2~-pentylethanediamide
CAS 100694-10-8C21H20N2O4
![N-[4-[(4-Propan-2-yloxybenzoyl)amino]phenyl]furan-2-carboxamide chemical structure, C21H20N2O4, CAS 766523-49-3](/s/XPXMWHZIIQUVSV-UHFFFAOYSA-N.svg)
N-[4-[(4-Propan-2-yloxybenzoyl)amino]phenyl]furan-2-carboxamide
CAS 766523-49-3C21H20N2O4
![N-[3-[(3-Propan-2-yloxybenzoyl)amino]phenyl]furan-2-carboxamide chemical structure, C21H20N2O4, CAS 765926-22-5](/s/GJNSQCKRPDVTSC-UHFFFAOYSA-N.svg)
N-[3-[(3-Propan-2-yloxybenzoyl)amino]phenyl]furan-2-carboxamide
CAS 765926-22-5C21H20N2O4
![N-[4-[(3-Propoxybenzoyl)amino]phenyl]furan-2-carboxamide chemical structure, C21H20N2O4, CAS 388084-93-3](/s/XKAFDNYUCMEEKG-UHFFFAOYSA-N.svg)
N-[4-[(3-Propoxybenzoyl)amino]phenyl]furan-2-carboxamide
CAS 388084-93-3C21H20N2O4
![N-(2-(6,7-Dimethyl-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H20N2O4, CAS 851403-04-8](/s/ZSIJVCZCRDSWQR-UHFFFAOYSA-N.svg)
N-(2-(6,7-Dimethyl-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)benzo[d][1,3]dioxole-5-carboxamide
CAS 851403-04-8C21H20N2O4
2-(5-(3-Methoxyphenoxy)pyrimidin-4-yl)-5-((2-methylallyl)oxy)phenol
CAS 877796-65-1C21H20N2O4
2-Morpholino-N-(4-oxo-3-phenyl-4H-chromen-2-yl)acetamide
CAS 879760-49-3C21H20N2O4
(2E)-N-(Isoquinolin-5-yl)-3-(3,4,5-trimethoxyphenyl)prop-2-enamide
CAS 1020971-65-6C21H20N2O4
2-((3-Ethylphenyl)amino)-2-oxoethyl 3-acetylindolizine-1-carboxylate
CAS 899998-17-5C21H20N2O4
4-Oxo-N-(pyridin-3-yl(tetrahydro-2H-pyran-4-yl)methyl)-4H-chromene-2-carboxamide
CAS 2034592-07-7C21H20N2O4
1-(2,4-Dimethoxyphenyl)-3-(4-phenoxyphenyl)urea
CAS 708228-29-9C21H20N2O4
![N-(3-{[(2,4-Dimethylphenoxy)acetyl]amino}phenyl)furan-2-carboxamide chemical structure, C21H20N2O4, CAS 432014-13-6](/s/FMKAPKIBZIAOSF-UHFFFAOYSA-N.svg)
N-(3-{[(2,4-Dimethylphenoxy)acetyl]amino}phenyl)furan-2-carboxamide
CAS 432014-13-6C21H20N2O4
(5E)-1-(3,4-Dimethylphenyl)-5-(4-methoxy-3-methylbenzylidene)pyrimidine-2,4,6(1H,3H,5H)-trione
CAS 347386-00-9C21H20N2O4
2-(5-(2-Methoxyphenoxy)pyrimidin-4-yl)-5-((2-methylallyl)oxy)phenol
CAS 877795-93-2C21H20N2O4
(E)-3-(But-2-enamido)-N-(2-ethoxyphenyl)benzofuran-2-carboxamide
CAS 888444-11-9C21H20N2O4
DL-Phenylalanine, N-(1H-indol-3-yloxoacetyl)-, ethyl ester
CAS 97529-42-5C21H20N2O4
![2-[1-(2,3-Dihydro-1,4-benzodioxin-2-ylcarbonyl)piperidin-4-yl]-1,3-benzoxazole chemical structure, C21H20N2O4, CAS 875444-60-3](/s/SFSUYYKLIACRAC-UHFFFAOYSA-N.svg)
2-[1-(2,3-Dihydro-1,4-benzodioxin-2-ylcarbonyl)piperidin-4-yl]-1,3-benzoxazole
CAS 875444-60-3C21H20N2O4
![(11aS)-10-[2-(3-Methoxyphenyl)-2-oxoethyl]-2,3-dihydro-1H-pyrrolo[2,1-c][1,4]benzodiazepine-5,11(10H,11aH)-dione chemical structure, C21H20N2O4, CAS 956951-93-2](/s/XUJQCHDLXHUDOI-SFHVURJKSA-N.svg)
(11aS)-10-[2-(3-Methoxyphenyl)-2-oxoethyl]-2,3-dihydro-1H-pyrrolo[2,1-c][1,4]benzodiazepine-5,11(10H,11aH)-dione
CAS 956951-93-2C21H20N2O4
N-(4-Methoxybenzyl)-5-(2-methyl-2,3-dihydro-1-benzofuran-5-yl)-1,2-oxazole-3-carboxamide
CAS 898635-32-0C21H20N2O4
![N-(2-Furylmethyl)-3-{[(4-methylphenoxy)acetyl]amino}benzamide chemical structure, C21H20N2O4, CAS 940524-76-5](/s/IUIFTPGLGWIQLW-UHFFFAOYSA-N.svg)
N-(2-Furylmethyl)-3-{[(4-methylphenoxy)acetyl]amino}benzamide
CAS 940524-76-5C21H20N2O4
![N-(2-Furylmethyl)-3-{[(4-methoxyphenyl)acetyl]amino}benzamide chemical structure, C21H20N2O4, CAS 940507-63-1](/s/ZSSZKZJOTMYTHS-UHFFFAOYSA-N.svg)
N-(2-Furylmethyl)-3-{[(4-methoxyphenyl)acetyl]amino}benzamide
CAS 940507-63-1C21H20N2O4
![2-Ethoxy-N-(3-{[(2-furylmethyl)amino]carbonyl}phenyl)benzamide chemical structure, C21H20N2O4, CAS 940460-82-2](/s/ISZBHGYXWZREHA-UHFFFAOYSA-N.svg)
2-Ethoxy-N-(3-{[(2-furylmethyl)amino]carbonyl}phenyl)benzamide
CAS 940460-82-2C21H20N2O4
(2Z)-N-(1,3-Benzodioxol-5-ylmethyl)-2-cyano-3-(2-propoxyphenyl)prop-2-enamide
CAS 724781-04-8C21H20N2O4
- 2-Oxo-2-(phenethylamino)ethyl 3-acetylindolizine-1-carboxylate899998-47-1C21H20N2O4
- (Z)-7,8-Dimethoxy-3-(4-methoxybenzylidene)-2,3-dihydropyrrolo[1,2-a]quinazolin-5(1H)-one881560-95-8C21H20N2O4
- Methyl (3S)-1-[4-(methoxycarbonyl)phenyl]-2,3,4,9-tetrahydro-1H-beta-carboline-3-carboxylate1217528-20-5C21H20N2O4
- 2-(5-(Benzo[d][1,3]dioxol-5-yl)isoxazol-3-yl)-N-(3-phenylpropyl)acetamide1105206-13-0C21H20N2O4
- Methyl 4-{[(1-ethyl-2-methyl-4-oxo-1,4-dihydroquinolin-6-yl)carbonyl]amino}benzoate1010890-95-5C21H20N2O4
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1-oxo-2-(propan-2-yl)-1,2-dihydroisoquinoline-4-carboxamide1401540-75-7C21H20N2O4
- N-(1,3-Benzodioxol-5-yl)-2-(2-methylpropyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxamide1401603-34-6C21H20N2O4
- N-[(2-Methoxyphenyl)methyl]-N-[3-(methylamino)-1,4-dioxo-1,4-dihydronaphthalen-2-yl]acetamide1397200-46-2C21H20N2O4
- 5-Hydroxy-6-[5-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-3-yl]-4,7-dimethyl-2H-chromen-2-one1010870-66-2C21H20N2O4
- 5-Hydroxy-6-[5-(2-methoxyphenyl)-4,5-dihydro-1H-pyrazol-3-yl]-4,7-dimethyl-2H-chromen-2-one1010910-79-8C21H20N2O4
- 1H-Pyrazole-3,4-dicarboxylic acid, 1-(3-methylphenyl)-5-phenyl-, ethyl methyl ester96722-67-7C21H20N2O4
- 2-[Morpholin-4-yl(2-nitrophenyl)methyl]naphthalen-1-ol6628-55-3C21H20N2O4
- 2-[2-(6,7-Dimethoxy-3,4-dihydroisoquinolin-1-yl)ethyl]isoindole-1,3-dione59903-02-5C21H20N2O4
- N-(4-Butylphenyl)-5-(4-nitrophenyl)furan-2-carboxamide618404-11-8C21H20N2O4
- 4-[3-Hydroxy-3-[2-(2-methoxyphenyl)-2-oxoethyl]-2-oxoindol-1-yl]butanenitrile838898-01-4C21H20N2O4
- (3E)-1-Acetyl-4-benzyl-3-[(4-methoxyphenyl)methylidene]piperazine-2,5-dione338401-99-3C21H20N2O4
- Methyl 2-(2-(1,2-dimethyl-1H-indol-3-yl)-N-methyl-2-oxoacetamido)benzoate862831-34-3C21H20N2O4
- Ethyl 4-(2-(1,2-dimethyl-1H-indol-3-yl)-2-oxoacetamido)benzoate862831-59-2C21H20N2O4
- Butyl 4-[2-(1H-indol-3-yl)-2-oxoacetamido]benzoate852367-75-0C21H20N2O4
- 1-(3,4-Dimethoxyphenyl)-4-[(4-ethenylphenyl)methyl]pyrazine-2,3-dione898419-28-8C21H20N2O4
- Ethyl 1-(4-methylphenyl)-6-oxo-4-phenylmethoxypyridazine-3-carboxylate899959-96-7C21H20N2O4
- Ethyl 4-[(3-methylphenyl)methoxy]-6-oxo-1-phenylpyridazine-3-carboxylate886952-10-9C21H20N2O4
- Ethyl 4-((2-methylbenzyl)oxy)-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxylate899993-17-0C21H20N2O4
- Ethyl 4-((4-methylbenzyl)oxy)-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxylate899993-21-6C21H20N2O4
- N-(4-(Morpholinomethyl)phenyl)-4-oxo-4H-chromene-2-carboxamide328057-73-4C21H20N2O4
- N-(2-(Cyclopropanecarbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)benzo[d][1,3]dioxole-5-carboxamide955767-47-2C21H20N2O4
- 4-{2-[1-(Furan-2-ylmethyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-oxoethyl}-2H-1,4-benzoxazin-3(4H)-one938023-01-9C21H20N2O4
- (Z)-1-(3-(Benzo[d][1,3]dioxol-5-yl)acryloyl)-N-ethylindoline-2-carboxamide1101640-13-4C21H20N2O4
- 2-((2,4-Dimethylphenyl)amino)-2-oxoethyl 3-acetylindolizine-1-carboxylate899949-38-3C21H20N2O4
- 2-((2,5-Dimethylphenyl)amino)-2-oxoethyl 3-acetylindolizine-1-carboxylate899949-44-1C21H20N2O4
- 2-((3,4-Dimethylphenyl)amino)-2-oxoethyl 3-acetylindolizine-1-carboxylate899725-15-6C21H20N2O4
- 2-((2-Ethylphenyl)amino)-2-oxoethyl 3-acetylindolizine-1-carboxylate899949-50-9C21H20N2O4
- 2-((4-Ethylphenyl)amino)-2-oxoethyl 3-acetylindolizine-1-carboxylate899998-45-9C21H20N2O4
- 9-Ethoxy-2-(3-ethoxyphenyl)-3H,4H,5H-chromeno[2,3-d]pyrimidin-4-one902879-78-1C21H20N2O4
- rac O-Demethyl Ambrisentan1106685-85-1C21H20N2O4
- N-(4-Acetylphenyl)-1-ethyl-6-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxamide1018059-89-6C21H20N2O4
- 3,5,6-Trimethyl-N-(4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)-1-benzofuran-2-carboxamide1018067-56-5C21H20N2O4
- N-(4-Methoxyphenyl)-1-((3-methylbenzyl)oxy)-2-oxo-1,2-dihydropyridine-3-carboxamide852364-68-2C21H20N2O4
- [(1-Cyanocyclopentyl)carbamoyl]methyl 2-phenoxybenzoate1210149-16-8C21H20N2O4
- 5-((3-Methoxybenzyl)oxy)-4-oxo-N-(p-tolyl)-1,4-dihydropyridine-2-carboxamide1021213-80-8C21H20N2O4
- N-((5-(Benzo[d][1,3]dioxol-5-yl)isoxazol-3-yl)methyl)-2-phenylbutanamide1040641-39-1C21H20N2O4
- 4-({[3-(3-Acetyl-1H-indol-1-yl)propanoyl]amino}methyl)benzoic acid1219556-60-1C21H20N2O4
- Methyl 4-(2-((3-ethylphenyl)amino)-2-oxoethoxy)quinoline-2-carboxylate1358328-62-7C21H20N2O4
- 4-({[2-(3-Methoxyphenyl)quinolin-4-yl]carbonyl}amino)butanoic acid1324058-72-1C21H20N2O4
- 2-Cyclopropyl-N-(2,4-dimethoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxamide1324066-62-7C21H20N2O4
- Ethyl 3-benzoyl-1-(4-methoxybenzyl)-1H-pyrazole-4-carboxylate1355336-08-1C21H20N2O4
- N-Cyclopropyl-3-(7-methoxy-1,3-dioxo-3,4-dihydro-1H-isoquinolin-2-yl)-4-methylbenzamide895569-28-5C21H20N2O4
- 2-(4-((6-Methylpyridin-2-yl)oxy)piperidine-1-carbonyl)-4H-chromen-4-one1797593-81-7C21H20N2O4
- N-(6-Methoxy-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-1,3-benzodioxole-5-carboxamide1574378-62-3C21H20N2O4
- N-[4-({3-Oxo-3H-spiro[2-benzofuran-1,4'-piperidine]-1'-yl}carbonyl)phenyl]acetamide1705923-43-8C21H20N2O4
- N-(2-Oxo-2-{3-oxo-3H-spiro[2-benzofuran-1,3'-piperidine]-1'-yl}ethyl)benzamide1705060-82-7C21H20N2O4
- 4-((1-(4-(1H-Pyrrol-1-yl)benzoyl)pyrrolidin-3-yl)oxy)-6-methyl-2H-pyran-2-one1706087-00-4C21H20N2O4
- N-(2-Hydroxy-2-(1-methyl-1H-indol-5-yl)ethyl)-7-methoxybenzofuran-2-carboxamide2034595-50-9C21H20N2O4
- (E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(2-hydroxy-2-(1-methyl-1H-indol-5-yl)ethyl)acrylamide2035023-00-6C21H20N2O4
- 1-{1-[3-(Benzyloxy)benzoyl]azetidin-3-yl}pyrrolidine-2,5-dione1904235-92-2C21H20N2O4
- 1-[1-(2-{[1,1'-Biphenyl]-4-yloxy}acetyl)azetidin-3-yl]pyrrolidine-2,5-dione1903893-45-7C21H20N2O4
- 4-Methoxy-N-(2-methoxybenzyl)-6-oxo-1-phenyl-1,6-dihydropyridine-3-carboxamide2034528-22-6C21H20N2O4
- N1-(4-(furan-3-yl)benzyl)-N2-(2-methoxybenzyl)oxalamide2034557-87-2C21H20N2O4
- 5-Hydroxy-6-[5-(4-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-3-yl]-3,4,7-trimethyl-2H-chromen-2-one951943-37-6C21H20N2O4
- (5E)-1-(3,4-Dimethylphenyl)-5-[(4-methoxy-2-methylphenyl)methylidene]-1,3-diazinane-2,4,6-trione347388-71-0C21H20N2O4
- Ethyl 4-[[(Z)-2-cyano-3-(4-ethoxyphenyl)prop-2-enoyl]amino]benzoate347319-88-4C21H20N2O4
- N-[4-Methyl-3-[[2-(3-methylphenoxy)acetyl]amino]phenyl]furan-2-carboxamide839692-11-4C21H20N2O4
- 3H-Indazol-3-one, 2,3a,4,5-tetrahydro-6-(2-hydroxy-4-methoxyphenyl)-4-(4-methoxyphenyl)-101986-21-4C21H20N2O4
- N~2~-(furan-2-ylmethyl)-N,N-diphenyl-alpha-asparagine1024706-68-0C21H20N2O4
- [(1-Cyanocyclopentyl)carbamoyl]methyl 3-phenoxybenzoate876684-90-1C21H20N2O4
- 1-Benzyl-N-(2,4-dimethoxyphenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide1004256-30-7C21H20N2O4
- Benzoic acid, 4-[(3,4-dimethoxyphenyl)(3-pyridinylmethyl)amino]-651022-86-5C21H20N2O4
- Benzoic acid, 3-[(3,4-dimethoxyphenyl)(3-pyridinylmethyl)amino]-651023-21-1C21H20N2O4
- (Z)-3-(3,4-Dimethoxyphenyl)-N-((5-phenylisoxazol-3-yl)methyl)acrylamide946344-06-5C21H20N2O4
- 1-(1H-Indol-3-yl)-2-[3-(2-methoxyphenoxy)pyrrolidin-1-yl]ethane-1,2-dione15472-07-8C21H20N2O4
- 4-(1,3-Benzodioxol-5-yl)-6-{2-[(2-methylpropyl)oxy]phenyl}pyrimidin-2(1H)-one1086625-90-2C21H20N2O4
- 1-(Benzyloxy)-N-(2-methoxy-5-methylphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide852365-83-4C21H20N2O4
- N-[(6-Nitro-2,4-dihydro-1,3-benzodioxin-8-yl)methyl]-N-(prop-2-yn-1-yl)-2,3-dihydro-1H-inden-1-amine1223428-93-0C21H20N2O4
- 3-(1-(2,2-Diphenylacetyl)pyrrolidin-3-yl)oxazolidine-2,4-dione2034314-37-7C21H20N2O4
- 3-{2-[3-(2,3-Dihydro-1-benzofuran-5-yl)pyrrolidin-1-yl]-2-oxoethyl}-2,3-dihydro-1,3-benzoxazol-2-one2097919-35-0C21H20N2O4
- Ethyl 4-methyl-6-oxo-2-{2-[(phenylmethyl)oxy]phenyl}-1,6-dihydro-5-pyrimidinecarboxylate938181-13-6C21H20N2O4
Frequently asked questions
What is the molar mass of C21H20N2O4?
The molar mass of C21H20N2O4 is 364.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 364.1423 Da.
How many compounds have the formula C21H20N2O4?
CompoundList lists 266 compounds with the molecular formula C21H20N2O4, including N'-[(E)-(4-Hydroxy-3,5-dimethoxyphenyl)methylidene]-2-(naphthalen-1-yl)acetohydrazide, N~1~-(9,10-Dioxo-9,10-dihydroanthracen-2-yl)-N~2~-pentylethanediamide, N-[4-[(4-Propan-2-yloxybenzoyl)amino]phenyl]furan-2-carboxamide. 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 C21H20N2O4?
C21H20N2O4 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.