Molecular formula
C21H20N2O2
204 compounds have this formula on CompoundList.
- Molar mass
- 332.40g/mol
- Monoisotopic mass
- 332.1525Da
- Atoms
- 45
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H20N2O2 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 2 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 × 2175.88%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 206.06%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 28.43%14.007 × 2 = 28.014 g/mol
- O Oxygen × 29.63%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C21H20N2O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 204 compounds
1-(2,5-Dimethylbenzyl)-2-oxo-N-phenyl-1,2-dihydropyridine-3-carboxamide
CAS 946248-06-2C21H20N2O2
1-(2-Methylindolin-1-yl)-2-(5-(p-tolyl)isoxazol-3-yl)ethanone
CAS 952975-65-4C21H20N2O2
![2,2-Diphenyl-N-(4,5,6,7-tetrahydrobenzo[c]isoxazol-3-yl)acetamide chemical structure, C21H20N2O2, CAS 946224-57-3](/s/RKEOPMWOYFOJSY-UHFFFAOYSA-N.svg)
2,2-Diphenyl-N-(4,5,6,7-tetrahydrobenzo[c]isoxazol-3-yl)acetamide
CAS 946224-57-3C21H20N2O2
3-(2-Phenylethoxy)-N-(pyridin-3-ylmethyl)benzamide
CAS 940522-30-5C21H20N2O2
2'-1-(2-Pyridyl)ethyl-p-anisanilide
CAS 58754-28-2C21H20N2O2
![7-Methyl-2-[4-(propan-2-yl)phenyl]-3H,4H,5H-chromeno[2,3-d]pyrimidin-4-one chemical structure, C21H20N2O2, CAS 902880-27-7](/s/KFTBLALHROMSBH-UHFFFAOYSA-N.svg)
7-Methyl-2-[4-(propan-2-yl)phenyl]-3H,4H,5H-chromeno[2,3-d]pyrimidin-4-one
CAS 902880-27-7C21H20N2O2
N-(3-(1H-Pyrrol-1-yl)propyl)-2-benzoylbenzamide
CAS 1226431-38-4C21H20N2O2
N-(3-(1H-Pyrrol-1-yl)propyl)-9H-xanthene-9-carboxamide
CAS 1226437-42-8C21H20N2O2
![4-Hydroxy-3-[(E)-3-phenyl-2-propenyl]-1-[2-(2-pyridinyl)ethyl]-2(1H)-pyridinone chemical structure, C21H20N2O2, CAS 478045-87-3](/s/OBSSUUOCWULSDI-RMKNXTFCSA-N.svg)
4-Hydroxy-3-[(E)-3-phenyl-2-propenyl]-1-[2-(2-pyridinyl)ethyl]-2(1H)-pyridinone
CAS 478045-87-3C21H20N2O2
![1-[2-(4-Methoxy-benzyl)-1-oxo-1,2,3,4-tetrahydro-isoquinolin-6-yl]-cyclopropanecarbonitrile chemical structure, C21H20N2O2, CAS 1178884-75-7](/s/PGEXZJNDEJAPFW-UHFFFAOYSA-N.svg)
1-[2-(4-Methoxy-benzyl)-1-oxo-1,2,3,4-tetrahydro-isoquinolin-6-yl]-cyclopropanecarbonitrile
CAS 1178884-75-7C21H20N2O2
2-(Trityloxy)acetohydrazide
CAS 1232162-05-8C21H20N2O2
Naphthalen-1-yl(4-(pyridin-2-yloxy)piperidin-1-yl)methanone
CAS 1428371-01-0C21H20N2O2
![Methyl N-(5,5-dimethyl-6H-benzo[c]acridin-7-yl)carbamate chemical structure, C21H20N2O2, CAS 22776-60-9](/s/PUAOPRMWURPAIJ-UHFFFAOYSA-N.svg)
Methyl N-(5,5-dimethyl-6H-benzo[c]acridin-7-yl)carbamate
CAS 22776-60-9C21H20N2O2
2,2-Bis(1-methylindol-3-yl)propanoic acid
CAS 36132-29-3C21H20N2O2
![6-Methoxy-5,5-dimethyl-6H-benzo[c]acridine-7-carboxamide chemical structure, C21H20N2O2, CAS 71711-52-9](/s/VGTZRUFNIYAGOO-UHFFFAOYSA-N.svg)
6-Methoxy-5,5-dimethyl-6H-benzo[c]acridine-7-carboxamide
CAS 71711-52-9C21H20N2O2
![6,6-Dimethyl-3-phenyl-2-phenylimino-5,7-dihydrocyclopenta[e][1,3]oxazin-4-one chemical structure, C21H20N2O2, CAS 60532-77-6](/s/CVMCREVZUACUCY-UHFFFAOYSA-N.svg)
6,6-Dimethyl-3-phenyl-2-phenylimino-5,7-dihydrocyclopenta[e][1,3]oxazin-4-one
CAS 60532-77-6C21H20N2O2
Antipyrine, 4-(beta-acetylstyryl)-
CAS 24428-81-7C21H20N2O2
![N-(2-Methylphenyl)-1-[(4-methylphenyl)methyl]-2-oxopyridine-3-carboxamide chemical structure, C21H20N2O2, CAS 946378-03-6](/s/MAMBYWSFESLLRN-UHFFFAOYSA-N.svg)
N-(2-Methylphenyl)-1-[(4-methylphenyl)methyl]-2-oxopyridine-3-carboxamide
CAS 946378-03-6C21H20N2O2
![N-(2-Methylphenyl)-1-[(2-methylphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C21H20N2O2, CAS 922994-03-4](/s/MMZYIIZRDVPHKZ-UHFFFAOYSA-N.svg)
N-(2-Methylphenyl)-1-[(2-methylphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 922994-03-4C21H20N2O2
1-(2-Methylbenzyl)-2-oxo-N-(p-tolyl)-1,2-dihydropyridine-3-carboxamide
CAS 1005300-42-4C21H20N2O2
1-(3-Methylbenzyl)-2-oxo-N-(p-tolyl)-1,2-dihydropyridine-3-carboxamide
CAS 946303-28-2C21H20N2O2
1-Benzyl-N-(3,4-dimethylphenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide
CAS 1004256-28-3C21H20N2O2
![1-[(2,5-Dimethylphenyl)methyl]-6-oxo-N-phenylpyridine-3-carboxamide chemical structure, C21H20N2O2, CAS 946311-01-9](/s/KIUPFGWFHMEFGY-UHFFFAOYSA-N.svg)
1-[(2,5-Dimethylphenyl)methyl]-6-oxo-N-phenylpyridine-3-carboxamide
CAS 946311-01-9C21H20N2O2
(Pyridin-2-yl)methyl 2-(2,3-dimethylanilino)benzoate
CAS 106724-31-6C21H20N2O2
- 1-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-(5-(p-tolyl)isoxazol-3-yl)ethanone946361-75-7C21H20N2O2
- 1-(3,4-Dihydroquinolin-1(2H)-yl)-2-(5-(p-tolyl)isoxazol-3-yl)ethanone953174-73-7C21H20N2O2
- N-(4-Methylphenyl)-1-[(2-methylphenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carboxamide946380-69-4C21H20N2O2
- N-(2-Methylphenyl)-1-[(3-methylphenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carboxamide946229-35-2C21H20N2O2
- N-(4-Methylphenyl)-1-[(3-methylphenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carboxamide946278-65-5C21H20N2O2
- N-(2-Methylphenyl)-1-[(4-methylphenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carboxamide946279-43-2C21H20N2O2
- N-(4-Methylphenyl)-1-[(4-methylphenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carboxamide946362-59-0C21H20N2O2
- 3-(3,4-Dihydroisoquinolin-2(1H)-ylcarbonyl)-1-ethylquinolin-4(1H)-one1087423-74-2C21H20N2O2
- (2E)-1-(8-Methoxy-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)-3-phenylprop-2-en-1-one1021138-89-5C21H20N2O2
- N-(4-Aminophenyl)-2-([1,1'-biphenyl]-4-yloxy)-propanamide1020054-17-4C21H20N2O2
- 2-(3-(3,4-Dimethylphenyl)-1-(4-methoxyphenyl)-3-oxopropyl)malononitrile1219903-06-6C21H20N2O2
- N'-[4-(Benzyloxy)phenyl]-4-methoxybenzene-1-carboximidamide726196-29-8C21H20N2O2
- 2-[4-(Benzyloxy)phenyl]-N-(1-cyanocyclopropyl)cyclopropane-1-carboxamide1424369-07-2C21H20N2O2
- N-Mesityl-3-(pyridin-2-yloxy)benzamide1797017-64-1C21H20N2O2
- 5-(3,5-Dimethyl-isoxazol-4-yl)-1,3-dimethyl-3-phenyl-1,3-dihydro-indol-2-one1629277-46-8C21H20N2O2
- 2-(3-Methylphenyl)-N-{[3-(pyridin-2-yloxy)phenyl]methyl}acetamide1706169-59-6C21H20N2O2
- 2-(Naphthalen-1-yl)-1-(3-(pyridin-2-yloxy)pyrrolidin-1-yl)ethanone1903409-93-7C21H20N2O2
- Naphthalen-2-yl(3-(pyridin-4-yloxy)piperidin-1-yl)methanone2034433-13-9C21H20N2O2
- 3-[(2,3-Dihydro-1-benzofuran-3-yl)methyl]-1-[(naphthalen-1-yl)methyl]urea2097924-96-2C21H20N2O2
- N-(1-Cyanocyclohexyl)-2-{naphtho[2,1-b]furan-2-yl}acetamide1953899-04-1C21H20N2O2
- 4-[(E)-(Diphenylhydrazinylidene)methyl]-2-ethoxyphenol5571-82-4C21H20N2O2
- N-(2-Cyano-1,2,3,4-tetrahydronaphthalen-2-yl)-3,4-dihydro-2H-1-benzopyran-4-carboxamide2224263-76-5C21H20N2O2
- N-(2-Hydroxy-1,2,2-triphenylethyl)urea62183-22-6C21H20N2O2
- 3-Hydroxy-N'-[(1E)-2-methyl-1-phenylpropylidene]naphthalene-2-carbohydrazide304666-05-5C21H20N2O2
- Antipyrine, 4-(2-(p-toluoyl)vinyl)-24428-79-3C21H20N2O2
- Antipyrine, 4-(2-benzoylpropenyl)-24428-80-6C21H20N2O2
- 1-Benzyl-N-(2-ethylphenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide941904-59-2C21H20N2O2
- 1-Benzyl-N-(2,6-dimethylphenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide1004256-29-4C21H20N2O2
- Benzyl [4'-(aminomethyl)[1,1'-biphenyl]-3-yl]carbamate880157-18-6C21H20N2O2
- 1H-Indol-7-ylspiro[isobenzofuran-1(3H),4a(2)-piperidin]-1a(2)-ylmethanone1034352-75-4C21H20N2O2
- N-(2-Methylphenyl)-1-[(2-methylphenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carboxamide946256-94-6C21H20N2O2
- 1-(3-Methylbenzyl)-6-oxo-N-(m-tolyl)-1,6-dihydropyridine-3-carboxamide946361-97-3C21H20N2O2
- 1-(4-Methylbenzyl)-6-oxo-N-(m-tolyl)-1,6-dihydropyridine-3-carboxamide946311-10-0C21H20N2O2
- (2-Phenylmorpholin-4-yl)[2-(1H-pyrrol-1-yl)phenyl]methanone1081116-24-6C21H20N2O2
- 4-Methoxy-3-methyl-N-(4-(pyridin-4-ylmethyl)phenyl)benzamide1377918-67-6C21H20N2O2
- 5,5-Bis(1H-indol-3-yl)pentanoic acid916917-57-2C21H20N2O2
- 2-(2-Benzyl-2-azabicyclo[2.2.1]heptan-7-yl)isoindoline-1,3-dione951393-81-0C21H20N2O2
- N-(3-Phenylpropyl)-3-(pyridin-2-yloxy)benzamide1797182-82-1C21H20N2O2
- 2-Cyano-3-(4-hydroxyphenyl)-N-{[1-(2-methylphenyl)cyclopropyl]methyl}prop-2-enamide1798394-59-8C21H20N2O2
- 2-[3-(2,3-Dihydro-1-benzofuran-5-yl)pyrrolidine-1-carbonyl]-1H-indole2097919-99-6C21H20N2O2
- 2-(1,2-Benzoxazol-3-yl)-1-{6-phenyl-2-azaspiro[3.3]heptan-2-yl}ethan-1-one2640977-40-6C21H20N2O2
- 2-(1,2-Benzoxazol-3-yl)-N-(2-phenylpropan-2-yl)pent-4-ynamide100695-73-6C21H20N2O2
- 1-Benzyl-N-(2,3-dimethylphenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide946380-10-5C21H20N2O2
- 1-Benzyl-N-(2,4-dimethylphenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide946223-95-6C21H20N2O2
- 9H-Xanthene-3-carboxamide, 9-(8-azabicyclo[3.2.1]oct-3-ylidene)-825650-37-1C21H20N2O2
- (Pyridin-3-yl)methyl 2-(2,3-dimethylanilino)benzoate106724-33-8C21H20N2O2
- 5-Benzoyl-1-butyl-4-phenylpyrimidin-2(1H)-one127143-67-3C21H20N2O2
- 2-([1,1a(2)-Biphenyl]-4-yloxy)-N-[1-(4-pyridinyl)ethyl]acetamide894660-04-9C21H20N2O2
- 4-[5-(4-Butylphenyl)pyrimidin-2-yl]benzoic acid104632-10-2C21H20N2O2
- 4-[2-(2,5-Dimethoxyphenyl)ethenyl]-4'-methyl-2,2'-bipyridine150701-11-4C21H20N2O2
- 2-Cyano-3-(4-hydroxyphenyl)-N-[[1-(2-methylphenyl)cyclopropyl]methyl]prop-2-enamideC21H20N2O2
- 2-(Naphthalen-1-yl)-1-{3-[(pyridin-3-yloxy)methyl]azetidin-1-yl}ethan-1-one2380057-35-0C21H20N2O2
- 5-[[1-(1-Oxo-2-propen-1-yl)-4-piperidinyl]oxy]-[1,1'-biphenyl]-3-carbonitrile2447631-67-4C21H20N2O2
- Methyl (3S)-3-amino-3-(2,6-diphenylpyridin-4-yl)propanoate1213142-62-1C21H20N2O2
- 3,4-Dihydro-6,7-dimethoxy-N-1-naphthalenyl-1-isoquinolinamine51207-73-9C21H20N2O2
- 2-Cyclopropyl-N-(2,4-dimethylphenyl)-1-oxoisoquinoline-3-carboxamide3030861-82-3C21H20N2O2
- [3-Amino-4-[4-(2-hydroxyethyl)anilino]phenyl]-phenylmethanone415914-59-9C21H20N2O2
- 1-[4-[(3,5-Dimethyl-2-pyridinyl)methoxy]phenyl]-2-(4-pyridinyl)ethanone1320293-07-9C21H20N2O2
- 4,6-Dimethyl-1-(naphthalen-2-ylmethyl)-5-nitro-2,3-dihydroindole1114453-41-6C21H20N2O2
- (1,4-Diphenyl-6,7-dihydro-5H-cyclopenta[d]pyridazine-5,7-diyl)dimethanol839712-77-5C21H20N2O2
- 3-Benzoyl-2,3,5,6,7,8-hexahydroazonino[5,4-b]indol-4(1H)-one80053-48-1C21H20N2O2
- 5-(Hydroxymethyl)-3,3-dimethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one918646-49-8C21H20N2O2
- 2-[4-(Benzyloxy)phenyl]-4H,6H,7H,8H,9H-pyrido[1,2-a]pyrimidin-4-one2060043-64-1C21H20N2O2
- 2-[4-(Benzyloxy)phenyl]-7-methyl-4H,6H,7H,8H-pyrrolo[1,2-a]pyrimidin-4-one2060042-69-3C21H20N2O2
- 2-[4-(Benzyloxy)phenyl]-6-methyl-4H,6H,7H,8H-pyrrolo[1,2-a]pyrimidin-4-one2059931-79-0C21H20N2O2
- 11,12-Didehydro-|A-oxo-dibenz[b,f]azocine-5(6H)-hexanamide1425485-73-9C21H20N2O2
- Benzyl 6-cyano-6-phenyl-2-azaspiro[3.3]heptane-2-carboxylate2680719-68-8C21H20N2O2
- Benzyl 4-[cyano(phenyl)methylidene]piperidine-1-carboxylate1823848-75-4C21H20N2O2
- (9H-Fluoren-9-yl)methyl N-[(1-cyanocyclopropyl)methyl]-N-methylcarbamate2770546-59-1C21H20N2O2
- (9H-Fluoren-9-yl)methyl 4-cyano-2-methylpyrrolidine-1-carboxylate2770554-98-6C21H20N2O2
- Cyclobutanecarboxamide, N-[2-methyl-5-(2-oxazolyl)[1,1-biphenyl]-4-yl]-945423-47-2C21H20N2O2
- 2-Cyclobutyl-N-(4-methylphenyl)-1-oxo-1,2-dihydroisoquinoline-3-carboxamide3054592-76-3C21H20N2O2
- N-Benzyl-2-cyclobutyl-1-oxo-1,2-dihydroisoquinoline-3-carboxamide3054542-57-0C21H20N2O2
- 2-Phenyl-3-(piperidine-1-carbonyl)-1,2-dihydroisoquinolin-1-one3054591-29-3C21H20N2O2
- 2-Benzyl-3-(pyrrolidine-1-carbonyl)-1,2-dihydroisoquinolin-1-one3054593-36-8C21H20N2O2
- N-Cyclopropyl-1-oxo-2-(2-phenylethyl)-1,2-dihydroisoquinoline-3-carboxamide3054604-35-9C21H20N2O2
Frequently asked questions
What is the molar mass of C21H20N2O2?
The molar mass of C21H20N2O2 is 332.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 332.1525 Da.
How many compounds have the formula C21H20N2O2?
CompoundList lists 204 compounds with the molecular formula C21H20N2O2, including 1-(2,5-Dimethylbenzyl)-2-oxo-N-phenyl-1,2-dihydropyridine-3-carboxamide, 1-(2-Methylindolin-1-yl)-2-(5-(p-tolyl)isoxazol-3-yl)ethanone, 2,2-Diphenyl-N-(4,5,6,7-tetrahydrobenzo[c]isoxazol-3-yl)acetamide. 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 C21H20N2O2?
C21H20N2O2 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.