Molecular formula
C21H21N3O3
394 compounds have this formula on CompoundList.
- Molar mass
- 363.42g/mol
- Monoisotopic mass
- 363.1583Da
- Atoms
- 48
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H21N3O3 describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 3 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 × 2169.41%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 215.82%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 311.56%14.007 × 3 = 42.021 g/mol
- O Oxygen × 313.21%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H21N3O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 301 to 394 of 394 compounds
![N-[3-(Acetylamino)phenyl]-3-(3-acetyl-1H-indol-1-yl)propanamide chemical structure, C21H21N3O3, CAS 1219572-05-0](/s/QFEARNKDHJPTDF-UHFFFAOYSA-N.svg)
N-[3-(Acetylamino)phenyl]-3-(3-acetyl-1H-indol-1-yl)propanamide
CAS 1219572-05-0C21H21N3O3
![N-(4-Methoxyphenyl)-2-(10-oxo-3,4-dihydrobenzo[b][1,6]naphthyridin-2(1H,5H,10H)-yl)acetamide chemical structure, C21H21N3O3, CAS 1251688-33-1](/s/BFLFXKZMEQRDMX-UHFFFAOYSA-N.svg)
N-(4-Methoxyphenyl)-2-(10-oxo-3,4-dihydrobenzo[b][1,6]naphthyridin-2(1H,5H,10H)-yl)acetamide
CAS 1251688-33-1C21H21N3O3
N-((1-(Benzofuran-2-carbonyl)piperidin-4-yl)methyl)picolinamide
CAS 1234815-73-6C21H21N3O3
![4-[2-Cyano-3-(4-hydroxy-3,5-dimethylphenyl)prop-2-enamido]-N,N-dimethylbenzamide chemical structure, C21H21N3O3, CAS 1259234-03-1](/s/BGJGOCLJFUOVKZ-BOPFTXTBSA-N.svg)
4-[2-Cyano-3-(4-hydroxy-3,5-dimethylphenyl)prop-2-enamido]-N,N-dimethylbenzamide
CAS 1259234-03-1C21H21N3O3
N-(1H-Indol-5-yl)-2-(4-methoxyphenyl)-1-methyl-5-oxopyrrolidine-3-carboxamide
CAS 1282121-28-1C21H21N3O3
![4-[1-(2,4-Dimethyl-5-nitro-benzoyl)-4-piperidyl]benzonitrile chemical structure, C21H21N3O3, CAS 1027354-89-7](/s/VPZRCKVVMJOGIB-UHFFFAOYSA-N.svg)
4-[1-(2,4-Dimethyl-5-nitro-benzoyl)-4-piperidyl]benzonitrile
CAS 1027354-89-7C21H21N3O3
![4-[1-(4-Ethyl-3-nitro-benzoyl)-4-piperidyl]benzonitrile chemical structure, C21H21N3O3, CAS 1034470-11-5](/s/ZULBPQMBNLYCLE-UHFFFAOYSA-N.svg)
4-[1-(4-Ethyl-3-nitro-benzoyl)-4-piperidyl]benzonitrile
CAS 1034470-11-5C21H21N3O3
N-(1H-Indol-6-yl)-2-(3-methoxyphenyl)-1-methyl-5-oxopyrrolidine-3-carboxamide
CAS 1374548-54-5C21H21N3O3
![3-Methyl-1-[2-oxo-2-(2-phenylmorpholin-4-yl)ethyl]quinoxalin-2(1H)-one chemical structure, C21H21N3O3, CAS 1401560-77-7](/s/IYTQMCZDVRFLHU-UHFFFAOYSA-N.svg)
3-Methyl-1-[2-oxo-2-(2-phenylmorpholin-4-yl)ethyl]quinoxalin-2(1H)-one
CAS 1401560-77-7C21H21N3O3
N-(1H-Indol-4-yl)-1-(2-methoxybenzyl)-5-oxopyrrolidine-3-carboxamide
CAS 1435900-61-0C21H21N3O3
![2-(2-Methoxyphenoxy)-N-[2-(2-phenylpyrimidin-5-yl)ethyl]acetamide chemical structure, C21H21N3O3, CAS 2034604-31-2](/s/IBFNXXUVNVAHCL-UHFFFAOYSA-N.svg)
2-(2-Methoxyphenoxy)-N-[2-(2-phenylpyrimidin-5-yl)ethyl]acetamide
CAS 2034604-31-2C21H21N3O3
N-(2-Methoxyphenyl)-3-(quinolin-2-yloxy)pyrrolidine-1-carboxamide
CAS 2034248-66-1C21H21N3O3
N~2~-(Diphenylacetyl)-N-(5-methyl-1,2-oxazol-3-yl)-L-alaninamide
CAS 1217707-23-7C21H21N3O3
![3-[1-(3,3-Diphenylpropanoyl)azetidin-3-yl]imidazolidine-2,4-dione chemical structure, C21H21N3O3, CAS 2034365-01-8](/s/FSUFHMYIOULEKQ-UHFFFAOYSA-N.svg)
3-[1-(3,3-Diphenylpropanoyl)azetidin-3-yl]imidazolidine-2,4-dione
CAS 2034365-01-8C21H21N3O3
![N-[(2,3-Dihydro-1-benzofuran-3-yl)methyl]-1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxamide chemical structure, C21H21N3O3, CAS 2097930-21-5](/s/BEQHIFFEXODRJD-UHFFFAOYSA-N.svg)
N-[(2,3-Dihydro-1-benzofuran-3-yl)methyl]-1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxamide
CAS 2097930-21-5C21H21N3O3
1-(2-(2-Hydroxyphenyl)-7-methylquinazolin-4-yl)piperidine-3-carboxylic acid
CAS 879275-22-6C21H21N3O3
![4-[4-(4-Methylphenyl)-5-morpholin-4-ylpyrazol-1-yl]benzoic acid chemical structure, C21H21N3O3, CAS 2319728-37-3](/s/BGDHGSFXIJEPBW-UHFFFAOYSA-N.svg)
4-[4-(4-Methylphenyl)-5-morpholin-4-ylpyrazol-1-yl]benzoic acid
CAS 2319728-37-3C21H21N3O3
![Methyl 4-({2-[4-(1-methyl-1H-pyrazol-5-yl)phenyl]ethyl}carbamoyl)benzoate chemical structure, C21H21N3O3, CAS 2640818-13-7](/s/ALWKGHKEEPJTBB-UHFFFAOYSA-N.svg)
Methyl 4-({2-[4-(1-methyl-1H-pyrazol-5-yl)phenyl]ethyl}carbamoyl)benzoate
CAS 2640818-13-7C21H21N3O3
![Methyl (2R)-2-({1,8-diazatricyclo[7.4.0.0,2,7]trideca-2(7),8,10,12-tetraen-10-yl}formamido)-2-phenylacetate chemical structure, C21H21N3O3, CAS 2866253-81-6](/s/GGYOABQVZJMNDD-GOSISDBHSA-N.svg)
Methyl (2R)-2-({1,8-diazatricyclo[7.4.0.0,2,7]trideca-2(7),8,10,12-tetraen-10-yl}formamido)-2-phenylacetate
CAS 2866253-81-6C21H21N3O3
N-(1,4-Dimethyl-2-oxo-3,4-dihydroquinolin-6-yl)-3-(prop-2-enoylamino)benzamide
CAS 2869231-20-7C21H21N3O3
Nlrp3-IN-61
CAS 3060585-94-3C21H21N3O3
2-Cyano-N-(3-methoxyphenyl)-3-(4-morpholin-4-ylphenyl)prop-2-enamide
C21H21N3O3
![1-(1-(2,3-Dihydrobenzofuran-2-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C21H21N3O3, CAS 924120-19-4](/s/SUYIGIHZEPMFTC-UHFFFAOYSA-N.svg)
1-(1-(2,3-Dihydrobenzofuran-2-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 924120-19-4C21H21N3O3
![2-(4-Ethoxyphenyl)-N-[4-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)phenyl]acetamide chemical structure, C21H21N3O3, CAS 920200-81-3](/s/HQTZBBOHAXIQQH-UHFFFAOYSA-N.svg)
2-(4-Ethoxyphenyl)-N-[4-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)phenyl]acetamide
CAS 920200-81-3C21H21N3O3
- 3-Cyclohexene-1-carboxylic acid, 2-oxo-2-[[4-(2-phenyldiazenyl)phenyl]amino]ethyl ester1008607-92-8C21H21N3O3
- 3-Cyclopropyl-N-(2,4-dimethoxyphenyl)-1-phenyl-1H-pyrazole-5-carboxamide1172979-36-0C21H21N3O3
- 4-[3-(2-Ethoxyphenyl)-1,2,4-oxadiazol-5-yl]-1-(4-methylphenyl)-2-pyrrolidinone1172956-01-2C21H21N3O3
- 1H-Indole-4,7-dione, 5-(1-aziridinyl)-2-(3-hydroxy-1-propenyl)-1-methyl-3-((phenylamino)methyl)-, (E)-185900-90-7C21H21N3O3
- N-(1H-Indol-6-yl)-2-(4-methoxyphenyl)-1-methyl-5-oxopyrrolidine-3-carboxamide1282120-48-2C21H21N3O3
- (4R)-3-[3-(2-Methyl-1H-benzimidazol-6-yl)-1-oxopropyl]-4-(phenylmethyl)-2-oxazolidinone1245649-04-0C21H21N3O3
- tert-Butyl N-[4-(isoquinoline-1-carbonylamino)phenyl]carbamate1098071-54-5C21H21N3O3
- Benzamide, N-(2-furanylmethyl)-4-[[2-[(3-methylphenyl)amino]acetyl]amino]-1557667-09-0C21H21N3O3
- 1-(1-(2,3-Dihydrobenzofuran-5-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1278050-23-9C21H21N3O3
- Benzyl 2-methyl-3-oxo-1-phenyl-2,5,6,8-tetrahydroimidazo[1,5-a]pyrazine-7(3H)-carboxylate1353500-80-7C21H21N3O3
- N-(5-Acetylamino-2-isopropyl-phenyl)-4-oxo-1H-quinoline-3-carboxamide873052-57-4C21H21N3O3
- N-(5-Acetylamino-2-propyl-phenyl)-4-oxo-1H-quinoline-3-carboxamide873052-46-1C21H21N3O3
- [1-(6-Methoxy-quinolin-4-yl)-azetidin-3-yl]-carbamic acid benzyl ester1072827-35-0C21H21N3O3
- 3-(4-Methoxyphenyl)-5-[1-(3-methylbenzoyl)pyrrolidin-2-yl]-1,2,4-oxadiazole1789050-96-9C21H21N3O3
- 5-{1-[(3-Methylphenoxy)acetyl]pyrrolidin-2-yl}-3-phenyl-1,2,4-oxadiazole1790340-94-1C21H21N3O3
- 5-[1-(4-Ethoxybenzoyl)pyrrolidin-2-yl]-3-phenyl-1,2,4-oxadiazole1795181-37-1C21H21N3O3
- Benzyl 4-(3-formyl-1H-indol-4-yl)-piperazine-1-carboxylate1258408-24-0C21H21N3O3
- Phenyl (3-(3-hydroxycyclobutyl)-4-methyl-1-phenyl-1H-pyrazol-5-yl)carbamate1414572-05-6C21H21N3O3
- 6-(2,4-Dimethoxyanilino)-N-(2-methylphenyl)pyridine-3-carboxamide224817-25-8C21H21N3O3
- 3-Cyclobutyl-4-(cyclobutyloxy)-1-phenyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylic acid2095094-90-7C21H21N3O3
- 2-Ethyl-4-[1-methyl-7,8-bis(methyloxy)-3H-pyrazolo[3,4-c]isoquinolin-5-yl]phenol838855-07-5C21H21N3O3
- 4-{[1-(5-Phenyl-1,2-oxazole-3-carbonyl)piperidin-3-yl]methoxy}pyridine2379977-63-4C21H21N3O3
- 6-Methyl-2-({1-[2-(naphthalen-2-yloxy)acetyl]azetidin-3-yl}methyl)-2,3-dihydropyridazin-3-one2319721-14-5C21H21N3O3
- 4-[3-Methoxy-4-[(2-methylphenyl)methoxy]phenyl]-1,4,5,7-tetrahydropyrazolo[5,4-b]pyridin-6-one2576427-49-9C21H21N3O3
- 4-{[1-(4-Phenyloxane-4-carbonyl)azetidin-3-yl]oxy}pyridine-2-carbonitrile2877719-08-7C21H21N3O3
- 3-(4-Methoxyphenyl)-5-[1-(2-methylbenzoyl)pyrrolidin-2-yl]-1,2,4-oxadiazole857408-06-1C21H21N3O3
- N-(4-Methylphenyl)-2-{4-[(4-methylphenyl)methyl]-2,3-dioxo-1,2,3,4-tetrahydropyrazin-1-yl}acetamide902861-80-7C21H21N3O3
- 2-(3,4-Dimethoxyphenyl)-1-{6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-7-yl}ethan-1-one909654-11-1C21H21N3O3
- 1-(4-Ethylphenyl)-4-[5-(3-methoxyphenyl)-1,2,4-oxadiazol-3-yl]pyrrolidin-2-one1172534-64-3C21H21N3O3
- 1-(4-Ethylphenyl)-4-[5-(2-methoxyphenyl)-1,2,4-oxadiazol-3-yl]pyrrolidin-2-one1172951-11-9C21H21N3O3
- 1-(1-(1,3-Dihydroisobenzofuran-5-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1947676-62-1C21H21N3O3
- tert-Butyl N-[4-(quinoline-6-carbonylamino)phenyl]carbamate1098069-11-4C21H21N3O3
- tert-Butyl N-[4-(quinoline-8-carbonylamino)phenyl]carbamate1098068-24-6C21H21N3O3
- tert-Butyl N-[4-(quinoline-2-carbonylamino)phenyl]carbamate1098069-70-5C21H21N3O3
- tert-Butyl N-[4-(quinoline-4-carbonylamino)phenyl]carbamate1098069-71-6C21H21N3O3
- tert-Butyl N-[4-(isoquinoline-4-carbonylamino)phenyl]carbamate1098070-53-1C21H21N3O3
- 5-{1-[(2-Methoxyphenyl)acetyl]pyrrolidin-2-yl}-3-phenyl-1,2,4-oxadiazole1795293-61-6C21H21N3O3
- 2-(2H-1,3-Benzodioxol-5-yl)-5-[(3-methylphenyl)methyl]-4H,5H-pyrazolo[1,5-a]pyrazin-4-one1326838-68-9C21H21N3O3
- N-[(4-Methoxyphenyl)methyl]-2-(4-methyl-6-oxo-2-phenyl-1,6-dihydropyrimidin-1-yl)acetamide1775465-06-9C21H21N3O3
- 3-(4-Methoxyphenyl)-5-[1-(phenylacetyl)pyrrolidin-2-yl]-1,2,4-oxadiazole1795181-20-2C21H21N3O3
- 5-{1-[(4-Methoxyphenyl)acetyl]pyrrolidin-2-yl}-3-phenyl-1,2,4-oxadiazole1795393-54-2C21H21N3O3
- 5-[1-(2-Ethoxybenzoyl)pyrrolidin-2-yl]-3-phenyl-1,2,4-oxadiazole1788979-08-7C21H21N3O3
- N-{2-[4-(1-Methyl-1H-pyrazol-4-yl)phenyl]ethyl}-2,3-dihydro-1,4-benzodioxine-2-carboxamide2549032-83-7C21H21N3O3
- Methyl 4-({2-[4-(1-methyl-1H-pyrazol-4-yl)phenyl]ethyl}carbamoyl)benzoate2549041-29-2C21H21N3O3
- N-{2-[4-(1-Methyl-1H-pyrazol-4-yl)phenyl]ethyl}-2,3-dihydro-1,4-benzodioxine-5-carboxamide2549045-47-6C21H21N3O3
- 2-(4-Ethoxyphenoxy)-1-{6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-7-yl}ethan-1-one2770581-27-4C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[2-hydroxy-2-(1-methyl-1H-imidazol-4-yl)ethyl]carbamate2763915-64-4C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[2-(5-hydroxy-1-methyl-1H-pyrazol-3-yl)ethyl]carbamate2764004-33-1C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[2-hydroxy-2-(1-methyl-1H-pyrazol-4-yl)ethyl]carbamate2764018-32-6C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[2-hydroxy-1-(1-methyl-1H-pyrazol-5-yl)ethyl]carbamate2763985-27-7C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[2-hydroxy-3-(1H-pyrazol-1-yl)propyl]carbamate2764000-51-1C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-{[1-(2-hydroxyethyl)-1H-pyrazol-4-yl]methyl}carbamate2763983-76-0C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[1-(3-hydroxypropyl)-1H-pyrazol-3-yl]carbamate2763998-92-9C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[2-hydroxy-1-(1-methyl-1H-pyrazol-4-yl)ethyl]carbamate2763966-04-5C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[1-(2-hydroxyethyl)-3-methyl-1H-pyrazol-5-yl]carbamate2763975-82-0C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[2-hydroxy-3-(1H-imidazol-1-yl)propyl]carbamate2764005-75-4C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[1-(2-hydroxyethyl)-4-methyl-1H-pyrazol-3-yl]carbamate2764006-06-4C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[(5-hydroxy-1,3-dimethyl-1H-pyrazol-4-yl)methyl]carbamate2763984-99-0C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[1-(2-hydroxyethyl)-5-methyl-1H-pyrazol-4-yl]carbamate2764020-95-1C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[(2S)-1-hydroxy-3-(1H-imidazol-4-yl)propan-2-yl]carbamate2763886-69-5C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[1-(2-hydroxyethyl)-5-methyl-1H-pyrazol-3-yl]carbamate2764021-11-4C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[1-(4-hydroxy-1-methyl-1H-pyrazol-3-yl)ethyl]carbamate2763923-24-4C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[2-hydroxy-2-(1-methyl-1H-pyrazol-5-yl)ethyl]carbamate2763928-99-8C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[2-hydroxy-1-(1-methyl-1H-imidazol-5-yl)ethyl]carbamate2763932-30-3C21H21N3O3
- (9H-Fluoren-9-yl)methyl N-[1-(2-hydroxyethyl)-3-methyl-1H-pyrazol-4-yl]carbamate2770529-54-7C21H21N3O3
- 3-(6-(Piperazin-1-yl)naphtho[2,1-b]furan-1-yl)piperidine-2,6-dione2839461-52-6C21H21N3O3
- 4-[2-[Methyl[6-(4-methylphenoxy)-4-pyrimidinyl]amino]ethoxy]benzaldehyde607723-91-1C21H21N3O3
- 2-(4-{Furo[3,2-c]pyridin-4-yl}morpholine-2-carbonyl)-1,2,3,4-tetrahydroisoquinoline3054616-34-8C21H21N3O3
- 2-[4-(1,3-Benzoxazol-2-yl)morpholine-2-carbonyl]-1,2,3,4-tetrahydroisoquinoline3054617-32-9C21H21N3O3
- (E)-2-Cyano-N-(3-methoxyphenyl)-3-(4-morpholin-4-ylphenyl)prop-2-enamideC21H21N3O3
Frequently asked questions
What is the molar mass of C21H21N3O3?
The molar mass of C21H21N3O3 is 363.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 363.1583 Da.
How many compounds have the formula C21H21N3O3?
CompoundList lists 394 compounds with the molecular formula C21H21N3O3, including N-[3-(Acetylamino)phenyl]-3-(3-acetyl-1H-indol-1-yl)propanamide, N-(4-Methoxyphenyl)-2-(10-oxo-3,4-dihydrobenzo[b][1,6]naphthyridin-2(1H,5H,10H)-yl)acetamide, N-((1-(Benzofuran-2-carbonyl)piperidin-4-yl)methyl)picolinamide. 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 C21H21N3O3?
C21H21N3O3 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.