Molecular formula
C21H21N3O2
331 compounds have this formula on CompoundList.
- Molar mass
- 347.42g/mol
- Monoisotopic mass
- 347.1634Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H21N3O2 describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 3 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 × 2172.60%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 216.09%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 312.10%14.007 × 3 = 42.021 g/mol
- O Oxygen × 29.21%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C21H21N3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 300 of 331 compounds
![2-(1H-Indol-3-yl)-N-[2-(4-methoxy-1H-indol-1-yl)ethyl]acetamide chemical structure, C21H21N3O2, CAS 1205378-28-4](/s/CGZKPYJOZXSAPO-UHFFFAOYSA-N.svg)
2-(1H-Indol-3-yl)-N-[2-(4-methoxy-1H-indol-1-yl)ethyl]acetamide
CAS 1205378-28-4C21H21N3O2
![N-[1-(1H-Indol-3-ylcarbonyl)piperidin-4-yl]benzamide chemical structure, C21H21N3O2, CAS 1282127-10-9](/s/GOJFHJOEHCCQKX-UHFFFAOYSA-N.svg)
N-[1-(1H-Indol-3-ylcarbonyl)piperidin-4-yl]benzamide
CAS 1282127-10-9C21H21N3O2
![2-(4-Methoxyphenyl)-1-[4-(1H-pyrrolo[2,3-b]pyridin-3-yl)-3,6-dihydro-2H-pyridin-1-yl]ethanone chemical structure, C21H21N3O2, CAS 1427947-55-4](/s/CVXCVVAXZRDYLE-UHFFFAOYSA-N.svg)
2-(4-Methoxyphenyl)-1-[4-(1H-pyrrolo[2,3-b]pyridin-3-yl)-3,6-dihydro-2H-pyridin-1-yl]ethanone
CAS 1427947-55-4C21H21N3O2
![N-[Cyano(2-methoxyphenyl)methyl]-4-(1H-indol-3-yl)butanamide chemical structure, C21H21N3O2, CAS 1311686-08-4](/s/RNPHSVJYBUTXAA-UHFFFAOYSA-N.svg)
N-[Cyano(2-methoxyphenyl)methyl]-4-(1H-indol-3-yl)butanamide
CAS 1311686-08-4C21H21N3O2
N3-(1-cyanocyclopentyl)-N1-methyl-N1-phenylbenzene-1,3-dicarboxamide
CAS 1333546-71-6C21H21N3O2
N-(1-Cyanocyclobutyl)-3-phenyl-3-(phenylformamido)propanamide
CAS 1355896-40-0C21H21N3O2
![N-[1-(2-Methoxyethyl)-1H-indol-4-yl]-1-methyl-1H-indole-5-carboxamide chemical structure, C21H21N3O2, CAS 1324087-43-5](/s/AFLITSCRFPQBFI-UHFFFAOYSA-N.svg)
N-[1-(2-Methoxyethyl)-1H-indol-4-yl]-1-methyl-1H-indole-5-carboxamide
CAS 1324087-43-5C21H21N3O2
![N-[1-(2-Methoxyethyl)-1H-indol-4-yl]-1-methyl-1H-indole-4-carboxamide chemical structure, C21H21N3O2, CAS 1324080-59-2](/s/UVOHKOZFQFSQFL-UHFFFAOYSA-N.svg)
N-[1-(2-Methoxyethyl)-1H-indol-4-yl]-1-methyl-1H-indole-4-carboxamide
CAS 1324080-59-2C21H21N3O2
![N-[1-(2-Methoxyethyl)-1H-indol-4-yl]-1-methyl-1H-indole-2-carboxamide chemical structure, C21H21N3O2, CAS 1324092-62-7](/s/MNSARMVYVSNBLE-UHFFFAOYSA-N.svg)
N-[1-(2-Methoxyethyl)-1H-indol-4-yl]-1-methyl-1H-indole-2-carboxamide
CAS 1324092-62-7C21H21N3O2
![N-[1-(2-Methoxyethyl)-1H-indol-4-yl]-1-methyl-1H-indole-6-carboxamide chemical structure, C21H21N3O2, CAS 1324060-73-2](/s/CLDAMWXZUYPJNF-UHFFFAOYSA-N.svg)
N-[1-(2-Methoxyethyl)-1H-indol-4-yl]-1-methyl-1H-indole-6-carboxamide
CAS 1324060-73-2C21H21N3O2
![N-(3,4-Dimethoxybenzyl)-4-[(E)-phenyldiazenyl]aniline chemical structure, C21H21N3O2, CAS 1400561-41-2](/s/JGEHKQISTOJMMU-UHFFFAOYSA-N.svg)
N-(3,4-Dimethoxybenzyl)-4-[(E)-phenyldiazenyl]aniline
CAS 1400561-41-2C21H21N3O2
![2-[(4E)-4-{[(8S)-5,6,7,8-Tetrahydroquinolin-8-yl]imino}butyl]-1H-isoindole-1,3(2H)-dione chemical structure, C21H21N3O2, CAS 865202-91-1](/s/WMTQTRDUKYQGLR-SFHVURJKSA-N.svg)
2-[(4E)-4-{[(8S)-5,6,7,8-Tetrahydroquinolin-8-yl]imino}butyl]-1H-isoindole-1,3(2H)-dione
CAS 865202-91-1C21H21N3O2
N-(4-(3-(Tetrahydro-2H-pyran-3-yl)pyridin-2-yloxy)phenyl)pyridin-2-amine
CAS 1231923-51-5C21H21N3O2
![N-[4-[[3-(Tetrahydro-2H-pyran-2-yl)-2-pyridinyl]oxy]phenyl]-2-pyridinamine chemical structure, C21H21N3O2, CAS 1231923-55-9](/s/WWILKHSKXXLPET-UHFFFAOYSA-N.svg)
N-[4-[[3-(Tetrahydro-2H-pyran-2-yl)-2-pyridinyl]oxy]phenyl]-2-pyridinamine
CAS 1231923-55-9C21H21N3O2
![4-[1,8]Naphthyridin-2-yl-piperidine-1-carboxylic acid benzyl ester chemical structure, C21H21N3O2, CAS 945671-62-5](/s/OBIUUMYUEHPYIC-UHFFFAOYSA-N.svg)
4-[1,8]Naphthyridin-2-yl-piperidine-1-carboxylic acid benzyl ester
CAS 945671-62-5C21H21N3O2
![N-[2-(1H-Indol-3-yl)ethyl]-2-(4-methoxy-1H-indol-1-yl)acetamide chemical structure, C21H21N3O2, CAS 1374519-84-2](/s/VVTXNUNVQDAINV-UHFFFAOYSA-N.svg)
N-[2-(1H-Indol-3-yl)ethyl]-2-(4-methoxy-1H-indol-1-yl)acetamide
CAS 1374519-84-2C21H21N3O2
![N-[2-(5-Methoxy-1H-indol-1-yl)ethyl]-1-methyl-1H-indole-5-carboxamide chemical structure, C21H21N3O2, CAS 1351683-22-1](/s/OSULYFOZUJITOT-UHFFFAOYSA-N.svg)
N-[2-(5-Methoxy-1H-indol-1-yl)ethyl]-1-methyl-1H-indole-5-carboxamide
CAS 1351683-22-1C21H21N3O2
![N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-1-methyl-1H-indole-2-carboxamide chemical structure, C21H21N3O2, CAS 1351690-44-2](/s/RMHIPOCHBBIISJ-UHFFFAOYSA-N.svg)
N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-1-methyl-1H-indole-2-carboxamide
CAS 1351690-44-2C21H21N3O2
![2-(1H-Indol-1-yl)-N-[2-(5-methoxy-1H-indol-3-yl)ethyl]acetamide chemical structure, C21H21N3O2, CAS 1351683-24-3](/s/FWCYVHRALLHBTR-UHFFFAOYSA-N.svg)
2-(1H-Indol-1-yl)-N-[2-(5-methoxy-1H-indol-3-yl)ethyl]acetamide
CAS 1351683-24-3C21H21N3O2
![N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-1-methyl-1H-indole-5-carboxamide chemical structure, C21H21N3O2, CAS 1351689-06-9](/s/BFWNZOZYZOIEQS-UHFFFAOYSA-N.svg)
N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-1-methyl-1H-indole-5-carboxamide
CAS 1351689-06-9C21H21N3O2
![N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-1-methyl-1H-indole-3-carboxamide chemical structure, C21H21N3O2, CAS 1351686-64-0](/s/MXFFYAPRAMMMFJ-UHFFFAOYSA-N.svg)
N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-1-methyl-1H-indole-3-carboxamide
CAS 1351686-64-0C21H21N3O2
![N-[2-(4-Methoxy-1H-indol-1-yl)ethyl]-1-methyl-1H-indole-4-carboxamide chemical structure, C21H21N3O2, CAS 1401597-88-3](/s/AZHOTPUSZVVIPX-UHFFFAOYSA-N.svg)
N-[2-(4-Methoxy-1H-indol-1-yl)ethyl]-1-methyl-1H-indole-4-carboxamide
CAS 1401597-88-3C21H21N3O2
![N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-1-methyl-1H-indole-4-carboxamide chemical structure, C21H21N3O2, CAS 1401575-31-2](/s/NTQNTJFSRFKTSO-UHFFFAOYSA-N.svg)
N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-1-methyl-1H-indole-4-carboxamide
CAS 1401575-31-2C21H21N3O2
![N-[2-(4-Methoxy-1H-indol-1-yl)ethyl]-1-methyl-1H-indole-5-carboxamide chemical structure, C21H21N3O2, CAS 1401573-93-0](/s/BLCFQVYTHXDPDT-UHFFFAOYSA-N.svg)
N-[2-(4-Methoxy-1H-indol-1-yl)ethyl]-1-methyl-1H-indole-5-carboxamide
CAS 1401573-93-0C21H21N3O2
- N-(4-(6,7-Dihydro-5H-pyrrolo[1,2-a]imidazol-3-yl)phenyl)-2-phenoxypropanamide1421444-70-3C21H21N3O2
- 1-(7,8-Dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-3-(2-methoxynaphthalen-1-yl)propan-1-one1797874-88-4C21H21N3O2
- N-((1-(Benzo[d]oxazol-2-yl)pyrrolidin-2-yl)methyl)cinnamamide1798411-87-6C21H21N3O2
- 2-[(3-Methoxyphenyl)amino]-N-(1-phenylethyl)pyridine-4-carboxamide2034154-13-5C21H21N3O2
- 2-({[1,1'-Biphenyl]-4-yl}formamido)-N-(1-cyanocyclobutyl)-N-methylacetamide1795519-76-4C21H21N3O2
- (4-(Quinoxalin-2-yloxy)piperidin-1-yl)(m-tolyl)methanone1706025-88-8C21H21N3O2
- 2-Phenyl-1-(4-(quinoxalin-2-yloxy)piperidin-1-yl)ethanone1704986-33-3C21H21N3O2
- N-({[2,3'-Bipyridine]-5-yl}methyl)-3-(4-methoxyphenyl)propanamide2034435-65-7C21H21N3O2
- 4-((1H-Imidazol-1-yl)methyl)-N-(isochroman-3-ylmethyl)benzamide2034280-80-1C21H21N3O2
- N-(3,3-Diphenylpropyl)-6-methoxypyrimidine-4-carboxamide2034633-76-4C21H21N3O2
- 3-(Quinolin-2-yloxy)-N-(m-tolyl)pyrrolidine-1-carboxamide2034300-54-2C21H21N3O2
- N-([2,4'-Bipyridin]-3-ylmethyl)-3-(4-methoxyphenyl)propanamide2034253-94-4C21H21N3O2
- 2-(Pyridin-3-yl)-1-(4-(quinolin-8-yloxy)piperidin-1-yl)ethanone1903344-86-4C21H21N3O2
- 5-[3-(3-Methylphenyl)propanoyl]-1,5,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),9,11,13-tetraen-2-one1904369-16-9C21H21N3O2
- (3-(3-Methyl-1,2,4-oxadiazol-5-yl)-4-phenylpyrrolidin-1-yl)(o-tolyl)methanone1903601-76-2C21H21N3O2
- N-({[2,4'-Bipyridine]-4-yl}methyl)-2-(4-ethoxyphenyl)acetamide2034321-69-0C21H21N3O2
- 3-Methoxy-N-(2-(5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-2-yl)phenyl)benzamide2034610-56-3C21H21N3O2
- N-(2-(4-Cyclopropyl-6-oxopyrimidin-1(6H)-yl)ethyl)-2-(naphthalen-1-yl)acetamide2034357-78-1C21H21N3O2
- N-({[2,4'-Bipyridine]-4-yl}methyl)-4-(propan-2-yloxy)benzamide2034578-41-9C21H21N3O2
- N-([2,4'-Bipyridin]-4-ylmethyl)-3-(4-methoxyphenyl)propanamide2034305-23-0C21H21N3O2
- (3-(1,2,4-Oxadiazol-3-yl)-4-phenylpyrrolidin-1-yl)(2,5-dimethylphenyl)methanone2034416-96-9C21H21N3O2
- (E)-1-(3-(1H-Benzo[d]imidazol-1-yl)pyrrolidin-1-yl)-3-(3-methoxyphenyl)prop-2-en-1-one2035019-21-5C21H21N3O2
- 1-(4-(3-(2-Methyl-1H-benzo[d]imidazol-1-yl)pyrrolidine-1-carbonyl)phenyl)ethanone2034422-00-7C21H21N3O2
- 4-[2-(2-Oxo-2-phenylethyl)azepane-1-carbonyl]pyridine-2-carbonitrile1825510-63-1C21H21N3O2
- N-(2-(2-Oxopyrimidin-1(2H)-yl)ethyl)-3,3-diphenylpropanamide2191265-84-4C21H21N3O2
- (E)-3-(4-Acetamidophenyl)-2-cyano-N-(2,4,6-trimethylphenyl)prop-2-enamide723320-75-0C21H21N3O2
- 2-[4-(4-Methoxyphenyl)piperazine-1-carbonyl]-3-phenylprop-2-enenitrile734544-24-2C21H21N3O2
- N-[4-(5-Phenyl-1,3,4-oxadiazol-2-yl)phenyl]cyclohexanecarboxamide701256-26-0C21H21N3O2
- 3,4-Dimethyl-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]-N-prop-2-enylbenzamide896660-65-4C21H21N3O2
- 2-Methyl-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]-N-prop-2-enylbenzamide915929-16-7C21H21N3O2
- 3-Methyl-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]-N-prop-2-enylbenzamide915910-97-3C21H21N3O2
- 2,4-Dimethyl-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]-N-prop-2-enylbenzamide915927-84-3C21H21N3O2
- 2,5-Dimethyl-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]-N-prop-2-enylbenzamide915927-31-0C21H21N3O2
- 4-{4-[4-(1H-Pyrazol-4-yl)-phenyl]-piperidin-4-yl}-benzoic acid857532-41-3C21H21N3O2
- 1-(3,5-Dimethylphenyl)-4-(3-(p-tolyl)-1,2,4-oxadiazol-5-yl)pyrrolidin-2-one941962-62-5C21H21N3O2
- N-(1-Butyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)-4-cyanobenzamide946220-96-8C21H21N3O2
- 9-Oxo-N-(3-phenylpropyl)-1,2,3,9-tetrahydropyrrolo[2,1-b]quinazoline-6-carboxamide1144438-20-9C21H21N3O2
- N-[2-(1H-Indol-3-yl)ethyl]-2-(5-methoxy-1H-indol-1-yl)acetamide1071914-69-6C21H21N3O2
- N-[(1S)-2-(2,3-Dihydro-1H-indol-1-yl)-1-(1H-indol-3-ylmethyl)-2-oxoethyl]acetamide1217715-93-9C21H21N3O2
- N-Cyclohexyl-4-oxo-3-phenyl-3,4-dihydroquinazoline-7-carboxamide1144452-27-6C21H21N3O2
- N-[2-(1H-Indol-3-yl)ethyl]-2-(7-methoxy-1H-indol-1-yl)acetamide1144438-87-8C21H21N3O2
- 1-Phenethyl-4-(5-(m-tolyl)-1,2,4-oxadiazol-3-yl)pyrrolidin-2-one1173259-53-4C21H21N3O2
- N-(3-Acetylphenyl)-1-phenyl-3-(propan-2-yl)-1H-pyrazole-5-carboxamide1282098-61-6C21H21N3O2
- N-Benzyl-N-(cyanomethyl)-3-[(2-oxopyrrolidin-1-yl)methyl]benzamide1281088-99-0C21H21N3O2
- N-(4,4-Dimethyl-1,2,3,4-tetrahydroquinolin-7-yl)-4-oxo-1H-quinoline-3-carboxamide873053-13-5C21H21N3O2
- 4-(4-Cyclohexylquinazolin-2-ylamino)benzoic acid1059735-33-9C21H21N3O2
- 3-(5-Methoxy-1H-indol-1-yl)-N-(1-methyl-1H-indol-4-yl)propanamide1351689-40-1C21H21N3O2
- 1-(2-Methoxyethyl)-N-(1-methyl-1H-indol-4-yl)-1H-indole-6-carboxamide1435991-17-5C21H21N3O2
- Benzyl 5-cyanospiro[indoline-3,4'-piperidine]-1'-carboxylate1243474-73-8C21H21N3O2
- 2-Ethoxy-N-(2-(2-phenylpyrimidin-5-yl)ethyl)benzamide2034397-35-6C21H21N3O2
- 2-Phenoxy-N-(2-(2-phenylpyrimidin-5-yl)ethyl)propanamide2034604-15-2C21H21N3O2
- N-(2-(2-Phenylpyrimidin-5-yl)ethyl)-2-(o-tolyloxy)acetamide2034482-41-0C21H21N3O2
- 1,4-Bis(2-methylbenzoyl)piperazine-2-carbonitrile2094375-04-7C21H21N3O2
- 3-Phenyl-1-[3-(quinoxalin-2-yloxy)pyrrolidin-1-yl]propan-1-one2097883-33-3C21H21N3O2
- 6-Cyano-N-cyclopropyl-N-(6,7-dimethyl-3,4-dihydro-2H-chromen-4-yl)pyridine-3-carboxamide2223951-71-9C21H21N3O2
- N-[3,5-Dimethyl-1-[(2-phenylphenoxy)methyl]pyrazol-4-yl]prop-2-enamide2305479-90-5C21H21N3O2
- N-Benzyl-2-cyano-3-[4-(morpholin-4-yl)phenyl]prop-2-enamide477972-61-5C21H21N3O2
- N-[2-[(3-Phenoxyphenyl)methylamino]ethyl]pyridine-3-carboxamide5864-54-0C21H21N3O2
- N-(2,5-Dimethylphenyl)-1-(4-ethylphenyl)-4-oxo-1,4-dihydropyridazine-3-carboxamide898513-56-9C21H21N3O2
- N-((4-Methylbenzyl)oxy)-2-((pyridin-4-ylmethyl)amino)benzamide854377-87-0C21H21N3O2
- 1-(4-Ethylphenyl)-4-[3-(2-methylphenyl)-1,2,4-oxadiazol-5-yl]pyrrolidin-2-one941892-20-2C21H21N3O2
- 1-(2,5-Dimethylbenzyl)-N-(6-methylpyridin-2-yl)-6-oxo-1,6-dihydropyridine-3-carboxamide941973-43-9C21H21N3O2
- N-(Benzyloxy)-2-methyl-6-((pyridin-4-ylmethyl)amino)benzamide854378-96-4C21H21N3O2
- N-(Benzyloxy)-5-methyl-2-((pyridin-4-ylmethyl)amino)benzamide854378-98-6C21H21N3O2
- N-(1-Phenylethoxy)-2-((pyridin-4-ylmethyl)amino)benzamide854378-44-2C21H21N3O2
- N-[4-[[3-(Tetrahydro-2H-pyran-4-yl)-2-pyridinyl]oxy]phenyl]-2-pyridinamine1231923-44-6C21H21N3O2
- (4-Benzylpiperidin-1-yl)(3-hydroxyquinoxalin-2-yl)methanone1374848-99-3C21H21N3O2
- 2-Methyl-4-[4-(1-piperazinylcarbonyl)phenyl]-1(2H)-isoquinolinone2001081-12-3C21H21N3O2
- 3-[(Z)-2-Hydroxy-2-(4-piperidin-1-ylphenyl)ethenyl]-1H-quinoxalin-2-one946384-13-0C21H21N3O2
- 2-{3-[(Pyridin-4-yloxy)methyl]piperidine-1-carbonyl}quinoline2380041-32-5C21H21N3O2
- 1-[1-(3,4-Dihydro-2H-1-benzopyran-2-carbonyl)azetidin-3-yl]-2-methyl-1H-1,3-benzodiazole2380187-31-3C21H21N3O2
- N-(1-Cyanocyclohexyl)-5-(2,3-dihydro-1-benzofuran-5-yl)pyridine-3-carboxamide2418648-59-4C21H21N3O2
- Xanthine oxidoreductase-IN-22396612-45-4C21H21N3O2
- 6-(Benzyloxy)-N-(1-cyanocyclobutyl)-N-cyclopropylpyridine-3-carboxamide2418713-20-7C21H21N3O2
- [1-(1,3-Benzoxazol-2-yl)pyrrolidin-3-yl]-(3,4-dihydro-1H-isoquinolin-2-yl)methanone3054552-56-3C21H21N3O2
- 3-(4-Methylphenyl)-5-[1-(phenylacetyl)pyrrolidin-2-yl]-1,2,4-oxadiazole855459-91-5C21H21N3O2
Frequently asked questions
What is the molar mass of C21H21N3O2?
The molar mass of C21H21N3O2 is 347.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 347.1634 Da.
How many compounds have the formula C21H21N3O2?
CompoundList lists 331 compounds with the molecular formula C21H21N3O2, including 2-(1H-Indol-3-yl)-N-[2-(4-methoxy-1H-indol-1-yl)ethyl]acetamide, N-[1-(1H-Indol-3-ylcarbonyl)piperidin-4-yl]benzamide, 2-(4-Methoxyphenyl)-1-[4-(1H-pyrrolo[2,3-b]pyridin-3-yl)-3,6-dihydro-2H-pyridin-1-yl]ethanone. 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 C21H21N3O2?
C21H21N3O2 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.