Molecular formula
C21H19N3O3
215 compounds have this formula on CompoundList.
- Molar mass
- 361.40g/mol
- Monoisotopic mass
- 361.1426Da
- Atoms
- 46
- Elements
- 4
- Rings plus double bonds
- 14
The formula C21H19N3O3 describes a molecule made of 21 carbon atoms, 19 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 × 2169.79%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 195.30%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 311.63%14.007 × 3 = 42.021 g/mol
- O Oxygen × 313.28%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H19N3O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 215 compounds
![N-[3-(Acetylamino)phenyl]-2-cyclopropyl-1-oxo-1,2-dihydroisoquinoline-4-carboxamide chemical structure, C21H19N3O3, CAS 1324078-77-4](/s/NEFANWKCQOFZOI-UHFFFAOYSA-N.svg)
N-[3-(Acetylamino)phenyl]-2-cyclopropyl-1-oxo-1,2-dihydroisoquinoline-4-carboxamide
CAS 1324078-77-4C21H19N3O3
![2-[1-(7-Methoxy-1-benzofuran-2-carbonyl)azetidin-3-yl]-5-methyl-1H-1,3-benzodiazole chemical structure, C21H19N3O3, CAS 1396851-39-0](/s/PDJLVRMNEGMIGE-UHFFFAOYSA-N.svg)
2-[1-(7-Methoxy-1-benzofuran-2-carbonyl)azetidin-3-yl]-5-methyl-1H-1,3-benzodiazole
CAS 1396851-39-0C21H19N3O3
![(E)-3-(Benzo[d][1,3]dioxol-5-yl)-1-(3-(5-methyl-1H-benzo[d]imidazol-2-yl)azetidin-1-yl)prop-2-en-1-one chemical structure, C21H19N3O3, CAS 1396891-62-5](/s/OOEYCFLFMOLFNZ-QPJJXVBHSA-N.svg)
(E)-3-(Benzo[d][1,3]dioxol-5-yl)-1-(3-(5-methyl-1H-benzo[d]imidazol-2-yl)azetidin-1-yl)prop-2-en-1-one
CAS 1396891-62-5C21H19N3O3
4-Amino-2-(p-cumenyl)-7-methoxy-5H-(1)benzopyrano(4,3-d)pyrimidin-5-one
CAS 32644-60-3C21H19N3O3
![2-[3-(2-Ethyl-4-oxoquinazolin-3-yl)propyl]isoindole-1,3-dione chemical structure, C21H19N3O3, CAS 866010-32-4](/s/OLKYZBBDELOAAD-UHFFFAOYSA-N.svg)
2-[3-(2-Ethyl-4-oxoquinazolin-3-yl)propyl]isoindole-1,3-dione
CAS 866010-32-4C21H19N3O3
![N-[2-[(4-Ethoxyphenyl)carbamoyl]phenyl]pyridine-4-carboxamide chemical structure, C21H19N3O3, CAS 876522-69-9](/s/MVVZUWYLWHNWDC-UHFFFAOYSA-N.svg)
N-[2-[(4-Ethoxyphenyl)carbamoyl]phenyl]pyridine-4-carboxamide
CAS 876522-69-9C21H19N3O3
N-(4-Acetamidophenyl)-1-benzyl-2-oxopyridine-3-carboxamide
CAS 933251-94-6C21H19N3O3
N-(2-Carbamoylphenyl)-1-(2-methylbenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 899947-81-0C21H19N3O3
N-(4-Carbamoylphenyl)-1-(2-methylbenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 946302-52-9C21H19N3O3
N-(4-Carbamoylphenyl)-1-(3-methylbenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 946303-61-3C21H19N3O3
N-(4-Carbamoylphenyl)-1-(4-methylbenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 946254-19-9C21H19N3O3
(E)-2,5-Dimethoxy-N-(4-(phenyldiazenyl)phenyl)benzamide
CAS 926577-30-2C21H19N3O3
![3-Phenyl-6-(3,4,5-trimethoxyphenyl)pyrazolo[1,5-a]pyrimidine chemical structure, C21H19N3O3, CAS 893613-41-7](/s/WGMAXVYWIMCHHQ-UHFFFAOYSA-N.svg)
3-Phenyl-6-(3,4,5-trimethoxyphenyl)pyrazolo[1,5-a]pyrimidine
CAS 893613-41-7C21H19N3O3
Ethyl 4-(indolin-1-yl)-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxylate
CAS 923174-43-0C21H19N3O3
![N-(Benzo[d][1,3]dioxol-5-yl)-1-phenyl-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide chemical structure, C21H19N3O3, CAS 899959-64-9](/s/SDOOSHNYBVBFCV-UHFFFAOYSA-N.svg)
N-(Benzo[d][1,3]dioxol-5-yl)-1-phenyl-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide
CAS 899959-64-9C21H19N3O3
![Methyl 4-{[2-(5-ethyl-1,3,4-oxadiazol-2-yl)-1H-indol-1-yl]methyl}benzoate chemical structure, C21H19N3O3, CAS 921842-24-2](/s/KOMZQOHXKLBHJX-UHFFFAOYSA-N.svg)
Methyl 4-{[2-(5-ethyl-1,3,4-oxadiazol-2-yl)-1H-indol-1-yl]methyl}benzoate
CAS 921842-24-2C21H19N3O3
![2-Benzyl-8-(2-methoxyethyl)pyrido[4,3-b][1,6]naphthyridine-1,9(2H,8H)-dione chemical structure, C21H19N3O3, CAS 1144454-97-6](/s/BRRJYYGJIIXYHX-UHFFFAOYSA-N.svg)
2-Benzyl-8-(2-methoxyethyl)pyrido[4,3-b][1,6]naphthyridine-1,9(2H,8H)-dione
CAS 1144454-97-6C21H19N3O3
![3,5-Dimethyl-N-[2-(3-phenyl-1,2,4-oxadiazol-5-yl)ethyl]-1-benzofuran-2-carboxamide chemical structure, C21H19N3O3, CAS 1018143-46-8](/s/NTAOYWZLAOVIDO-UHFFFAOYSA-N.svg)
3,5-Dimethyl-N-[2-(3-phenyl-1,2,4-oxadiazol-5-yl)ethyl]-1-benzofuran-2-carboxamide
CAS 1018143-46-8C21H19N3O3
![N-[1-(4-Methoxybenzyl)-1H-pyrazol-5-yl]-3-methyl-1-benzofuran-2-carboxamide chemical structure, C21H19N3O3, CAS 1173253-11-6](/s/DBZJAGMARWDSIT-UHFFFAOYSA-N.svg)
N-[1-(4-Methoxybenzyl)-1H-pyrazol-5-yl]-3-methyl-1-benzofuran-2-carboxamide
CAS 1173253-11-6C21H19N3O3
![N-(2-{[2-(1H-indol-3-yl)ethyl]amino}-2-oxoethyl)-1-benzofuran-2-carboxamide chemical structure, C21H19N3O3, CAS 1010919-91-1](/s/KSBITJOGLMNBGL-UHFFFAOYSA-N.svg)
N-(2-{[2-(1H-indol-3-yl)ethyl]amino}-2-oxoethyl)-1-benzofuran-2-carboxamide
CAS 1010919-91-1C21H19N3O3
![Methyl 6-[2-(1H-indol-3-yl)ethyl]-2-methyl-5-oxo-1,6-naphthyridine-3-carboxylate chemical structure, C21H19N3O3, CAS 1158765-24-2](/s/GJLOJABFBCNJJV-UHFFFAOYSA-N.svg)
Methyl 6-[2-(1H-indol-3-yl)ethyl]-2-methyl-5-oxo-1,6-naphthyridine-3-carboxylate
CAS 1158765-24-2C21H19N3O3
![2-(2-Hydroxyethyl)-8-(2-phenylethyl)pyrido[4,3-b][1,6]naphthyridine-1,9(2H,8H)-dione chemical structure, C21H19N3O3, CAS 1158442-79-5](/s/OJVKZFLPIPQVSK-UHFFFAOYSA-N.svg)
2-(2-Hydroxyethyl)-8-(2-phenylethyl)pyrido[4,3-b][1,6]naphthyridine-1,9(2H,8H)-dione
CAS 1158442-79-5C21H19N3O3
3-(3-(2-Methoxyphenyl)-1,2,4-oxadiazol-5-yl)-1-propylquinolin-4(1H)-one
CAS 1207010-45-4C21H19N3O3
![5-(3-Methoxybenzyl)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyrazin-4(5H)-one chemical structure, C21H19N3O3, CAS 1358485-42-3](/s/JYTQKSMSVZZWJQ-UHFFFAOYSA-N.svg)
5-(3-Methoxybenzyl)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyrazin-4(5H)-one
CAS 1358485-42-3C21H19N3O3
- N-(1H-Indol-6-yl)-2-(2-methoxyethyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxamide1324058-73-2C21H19N3O3
- N-(1H-Indol-5-yl)-2-(2-methoxyethyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxamide1351679-56-5C21H19N3O3
- N-(1-Benzoyl-1,2,3,4-tetrahydroquinolin-7-yl)-5-methylisoxazole-4-carboxamide1428372-08-0C21H19N3O3
- N-{3-[(Cyanomethyl)(cyclopropyl)carbamoyl]phenyl}-2,3-dihydro-1-benzofuran-2-carboxamide1424575-39-2C21H19N3O3
- 1'-{2-Methylimidazo[1,2-a]pyridine-3-carbonyl}-3,4-dihydrospiro[1-benzopyran-2,3'-pyrrolidine]-4-one1795298-80-4C21H19N3O3
- N-((1-(Benzo[d]oxazol-2-yl)pyrrolidin-2-yl)methyl)benzofuran-2-carboxamide1798623-74-1C21H19N3O3
- Ethyl 3-(1-(1,4-dihydro-4-oxo-1-phenylpyridazin-3-yl)vinyl)phenylcarbamate1314394-70-1C21H19N3O3
- 4-Acetamido-N-(3-(pyridin-2-yloxy)benzyl)benzamide1706376-37-5C21H19N3O3
- 1'-(2-(1H-Benzo[d]imidazol-1-yl)acetyl)-3H-spiro[isobenzofuran-1,4'-piperidin]-3-one1705307-76-1C21H19N3O3
- N-(2-(2-Phenylpyrimidin-5-yl)ethyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide2034512-92-8C21H19N3O3
- N-(2-(3-Oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)quinoline-6-carboxamide1903844-14-3C21H19N3O3
- 7-Methoxy-N-(2-(4-phenyl-1H-pyrazol-1-yl)ethyl)benzofuran-2-carboxamide2034368-99-3C21H19N3O3
- Benzo[d][1,3]dioxol-5-yl(4-(1-methyl-1H-pyrazol-4-yl)-3,4-dihydroisoquinolin-2(1H)-yl)methanone2034523-58-3C21H19N3O3
- 3-(3-(4-Isopropoxyphenyl)-1,2,4-oxadiazol-5-yl)-6-methylquinolin-4(1H)-one1171608-09-5C21H19N3O3
- (21-Methyl-14-oxo-3,13,21-triazapentacyclo[11.8.0.02,10.04,9.015,20]henicosa-2(10),4(9),5,7,15,17,19-heptaen-7-yl) acetate2820245-53-0C21H19N3O3
- (5E)-5-[(E)-3-[4-(Dimethylamino)phenyl]prop-2-enylidene]-1-phenyl-1,3-diazinane-2,4,6-trione423744-89-2C21H19N3O3
- 2-[(3-Methoxybenzoyl)amino]-N-(pyridin-3-ylmethyl)benzamide892675-81-9C21H19N3O3
- 2-(3-Methoxyphenyl)-11b-methyl-5,6,11,11b-tetrahydro-1H-imidazo[1',5':1,2]pyrido[3,4-b]indole-1,3(2H)-dione1179440-49-3C21H19N3O3
- 8-Methoxy-11b-methyl-2-phenyl-5,6,11,11b-tetrahydro-1H-imidazo[5,1-a]beta-carboline-1,3(2H)-dione1179457-60-3C21H19N3O3
- 4-Acetyl-N-(5-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl)benzamide851095-76-6C21H19N3O3
- (E)-2,3-Dimethoxy-N-(4-(phenyldiazenyl)phenyl)benzamide1006823-13-7C21H19N3O3
- Benzamide, N-(2-aminophenyl)-4-[(1,3-benzodioxol-5-ylamino)methyl]-503043-67-2C21H19N3O3
- N-Methyl-N-{[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}-4-(prop-2-yn-1-yloxy)benzamide915933-91-4C21H19N3O3
- Methyl 4-{[(3-cyclopropyl-1-phenyl-1H-pyrazol-5-yl)carbonyl]amino}benzoate1170644-83-3C21H19N3O3
- N-[4-(Cyanomethyl)phenyl]-2-[(3,5-dimethyl-1,2-oxazol-4-yl)methoxy]benzamide1011383-55-3C21H19N3O3
- N-(3-Cyclopropyl-1-phenyl-1H-pyrazol-5-yl)-2-(2-formylphenoxy)acetamide1825712-42-2C21H19N3O3
- 4-(1,3,3a,4,7,7a-Hexahydro-1,3-dioxo-2H-isoindol-2-yl)-N-(4-methyl-2-pyridinyl)benzamide1018141-98-4C21H19N3O3
- 2-(3-Methoxypropyl)-8-phenylpyrido[4,3-b][1,6]naphthyridine-1,9(2H,8H)-dione1158570-81-0C21H19N3O3
- 1 suppliers1-(1-(Benzofuran-2-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one924165-98-0C21H19N3O3
- N-(1H-Indol-6-yl)-4,5-dimethoxy-2-(1H-pyrrol-1-yl)benzamide1190249-33-2C21H19N3O3
- N-(3-Cyanophenyl)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-4-methylpentanamide900717-46-6C21H19N3O3
- N-(4-Carbamoyl-2-methylphenyl)-4-(pyridin-2-ylmethoxy)benzamide1126367-18-7C21H19N3O3
- 4-[[(Z)-2-Cyano-3-(4-pyrrolidin-1-ylphenyl)prop-2-enoyl]amino]benzoic acid1111468-86-0C21H19N3O3
- 4-({1-[2-(Naphthalen-1-yl)acetyl]azetidin-3-yl}oxy)pyridine-2-carboxamide2640980-28-3C21H19N3O3
- 2-(3-Methoxyphenyl)-5-[(3-methoxyphenyl)methyl]-4H,5H-pyrazolo[1,5-a]pyrazin-4-one2322024-32-6C21H19N3O3
- 2-(3-Methoxyphenyl)-5-[(4-methoxyphenyl)methyl]-4H,5H-pyrazolo[1,5-a]pyrazin-4-one2549004-70-6C21H19N3O3
- 4-[3-[4-(Dimethylamino)phenyl]prop-2-enylidene]-5-oxo-1-phenylpyrazole-3-carboxylic acid28336-80-3C21H19N3O3
- N-{3-[2-Cyano-2-(cyclopropylcarbamoyl)eth-1-en-1-yl]phenyl}-4-methoxybenzamide790702-78-2C21H19N3O3
- Benzamide, 3,5-dimethoxy-N-[4-(2-phenyldiazenyl)phenyl]-403846-73-1C21H19N3O3
- Bicyclo[2.2.1]hept-5-ene-2-carboxylic acid, 3-[[[4-(2-phenyldiazenyl)phenyl]amino]carbonyl]-1025158-63-7C21H19N3O3
- Benzamide, 3,4-dimethoxy-N-[4-(2-phenyldiazenyl)phenyl]-325779-50-8C21H19N3O3
- Benzamide, 2,6-dimethoxy-N-[4-(2-phenyldiazenyl)phenyl]-476326-09-7C21H19N3O3
- Acetamide, 2-(2-methoxyphenoxy)-N-[4-(2-phenyldiazenyl)phenyl]-468100-90-5C21H19N3O3
- Acetamide, 2-(4-methoxyphenoxy)-N-[4-(2-phenyldiazenyl)phenyl]-875191-87-0C21H19N3O3
- N-[2-(6-Methoxy-1H-indol-3-yl)ethyl]-1-oxo-2H-isoquinoline-3-carboxamide902326-00-5C21H19N3O3
- Benzamide, 2,4-dimethoxy-N-[4-(2-phenyldiazenyl)phenyl]-560099-84-5C21H19N3O3
- 4-(3-(4-(Dimethylamino)phenyl)allylidene)-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acidC21H19N3O3
- 5-Methoxy-2-phenyl-6-(1,2,3,4-tetrahydroquinoline-1-carbonyl)pyridazin-3(2H)-one941944-24-7C21H19N3O3
- Benzamide, N-(2-nitrophenyl)-4-[[(phenylmethyl)amino]methyl]-905818-85-1C21H19N3O3
- 1,2,4-Triazin-3(2H)-one, 5,6-bis(4-methoxyphenyl)-2-(1,3-butadienyl)-102429-71-0C21H19N3O3
- 2-Propen-1-yl 4,10-dihydro-4-(3-hydroxyphenyl)-2-methylpyrimido[1,2-a]benzimidazole-3-carboxylate945363-75-7C21H19N3O3
- 4-[2-Cyano-2-(4-phenylpiperazine-1-carbonyl)eth-1-en-1-yl]benzoic acid895292-33-8C21H19N3O3
- 1-(Benzo[D][1,3]dioxol-5-yl)-3-(1,2,3,4-tetrahydroacridin-9-yl)urea908562-95-8C21H19N3O3
- N-(2-Acetyl-1,2,3,4-tetrahydroisoquinolin-7-yl)-4-oxo-1H-quinoline-3-carboxamide873053-16-8C21H19N3O3
- 2-{2-Cyano-3-[4-(pyrrolidin-1-yl)phenyl]prop-2-enamido}benzoic acid1111495-92-1C21H19N3O3
- (Z)-2-Cyano-3-(4-cyanophenyl)-N-[2-(3,4-dimethoxyphenyl)ethyl]prop-2-enamide502900-48-3C21H19N3O3
- 2-[[(Z)-2-Cyano-3-(4-pyrrolidin-1-ylphenyl)prop-2-enoyl]amino]benzoic acidC21H19N3O3
- n-Cyclopropyl-4-[6-(4-hydroxy-3-methylphenyl)-2-oxo-2,3-dihydropyrimidin-4-yl]benzamide1076187-15-9C21H19N3O3
- 2-[1-(4-Methoxybenzoyl)azetidin-3-yl]-6-phenyl-2,3-dihydropyridazin-3-one2380194-19-2C21H19N3O3
- 1-[1-(7-Methoxy-1-benzofuran-2-carbonyl)azetidin-3-yl]-2-methyl-1H-1,3-benzodiazole2380178-78-7C21H19N3O3
- 2-Cyano-3-(4-cyanophenyl)-N-[2-(3,4-dimethoxyphenyl)ethyl]prop-2-enamideC21H19N3O3
- (2R)-3-(1H-Indol-3-yl)-2-[[2-(1H-indol-3-yl)acetyl]amino]propanoic acid1608769-97-6C21H19N3O3
- 2-[6-(1H-Indazol-3-yl)-6-oxohexyl]-1H-isoindole-1,3(2H)-dione89587-17-7C21H19N3O3
- 4-Methoxy-N-{2-[(2E)-2-(1-naphthylmethylene)hydrazino]-2-oxoethyl}benzamide767334-17-8C21H19N3O3
- N-{2-Phenyl-2H,4H,5H,6H-cyclopenta[c]pyrazol-3-yl}-2,3-dihydro-1,4-benzodioxine-2-carboxamide1211846-24-0C21H19N3O3
- 6-(Benzyloxy)-1,9-dimethyl-3-nitro-9H-carbazol-2-amine832723-96-3C21H19N3O3
- 4-Cyano-N-[3-(morpholin-4-yl)-3-oxo-1-phenylprop-1-en-2-yl]benzamide90290-95-2C21H19N3O3
- N-[1-(4-Cyanophenyl)-3-(morpholin-4-yl)-3-oxoprop-1-en-2-yl]benzamide90290-91-8C21H19N3O3
- Ethyl (E,2Z)-4-hydroxy-4-phenyl-2-[(4-phenyl-1,2,4-triazol-3-yl)methylidene]but-3-enoate80535-24-6C21H19N3O3
- N-(4-Ethylphenyl)-2-{(2E)-2-[(2-hydroxy-1-naphthyl)methylene]hydrazino}-2-oxoacetamide764657-02-5C21H19N3O3
- 2-(3-Methoxyphenyl)-5-(2-phenoxyethyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one2325345-35-3C21H19N3O3
- (9H-Fluoren-9-yl)methyl 3-amino-4H,5H,6H,7H-[1,2]oxazolo[4,3-c]pyridine-5-carboxylate2138043-09-9C21H19N3O3
- Benzyl N-[3-cyano-1-(4-hydroxyphenyl)-4,5-dimethyl-1H-pyrrol-2-yl]carbamate2680774-96-1C21H19N3O3
- (9H-Fluoren-9-yl)methyl N-{4H,5H,6H,7H-[1,2]oxazolo[4,3-c]pyridin-3-yl}carbamate2138534-42-4C21H19N3O3
- (9H-Fluoren-9-yl)methyl N-[2-(6-hydroxypyrimidin-4-yl)ethyl]carbamate2763912-84-9C21H19N3O3
- (9H-Fluoren-9-yl)methyl N-(5-hydroxy-4,6-dimethylpyrimidin-2-yl)carbamate2763938-77-6C21H19N3O3
Frequently asked questions
What is the molar mass of C21H19N3O3?
The molar mass of C21H19N3O3 is 361.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 361.1426 Da.
How many compounds have the formula C21H19N3O3?
CompoundList lists 215 compounds with the molecular formula C21H19N3O3, including N-[3-(Acetylamino)phenyl]-2-cyclopropyl-1-oxo-1,2-dihydroisoquinoline-4-carboxamide, 2-[1-(7-Methoxy-1-benzofuran-2-carbonyl)azetidin-3-yl]-5-methyl-1H-1,3-benzodiazole, (E)-3-(Benzo[d][1,3]dioxol-5-yl)-1-(3-(5-methyl-1H-benzo[d]imidazol-2-yl)azetidin-1-yl)prop-2-en-1-one. 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 C21H19N3O3?
C21H19N3O3 has a degree of unsaturation of 14. 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.