Molecular formula
C21H19ClN4O3
47 compounds have this formula on CompoundList.
- Molar mass
- 410.86g/mol
- Monoisotopic mass
- 410.1146Da
- Atoms
- 48
- Elements
- 5
- Rings plus double bonds
- 14
The formula C21H19ClN4O3 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 1 chlorine atom, 4 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 × 2161.39%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 194.66%1.008 × 19 = 19.152 g/mol
- Cl Chlorine × 18.63%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 413.64%14.007 × 4 = 56.028 g/mol
- O Oxygen × 311.68%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H19ClN4O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 47 of 47 compounds
![2-Chloro-N-{4-[4-(furan-2-carbonyl)piperazin-1-yl]phenyl}pyridine-3-carboxamide chemical structure, C21H19ClN4O3, CAS 672332-16-0](/s/CRADEKBGDOZYGE-UHFFFAOYSA-N.svg)
2-Chloro-N-{4-[4-(furan-2-carbonyl)piperazin-1-yl]phenyl}pyridine-3-carboxamide
CAS 672332-16-0C21H19ClN4O3
![N-[3-Chloro-4-[4-(furan-2-carbonyl)piperazin-1-yl]phenyl]pyridine-3-carboxamide chemical structure, C21H19ClN4O3, CAS 838849-35-7](/s/RVUGSUHDFSBTQW-UHFFFAOYSA-N.svg)
N-[3-Chloro-4-[4-(furan-2-carbonyl)piperazin-1-yl]phenyl]pyridine-3-carboxamide
CAS 838849-35-7C21H19ClN4O3
![N-[3-(N-{[3-(2-Chlorophenyl)-5-methyl-4-isoxazolyl]carbonyl}ethanehydrazonoyl)phenyl]acetamide chemical structure, C21H19ClN4O3, CAS 515120-00-0](/s/NLVYXUSXGODAPD-WYMPLXKRSA-N.svg)
N-[3-(N-{[3-(2-Chlorophenyl)-5-methyl-4-isoxazolyl]carbonyl}ethanehydrazonoyl)phenyl]acetamide
CAS 515120-00-0C21H19ClN4O3
N'-(4-((4-Chlorobenzyl)oxy)-3-ethoxybenzylidene)-2-pyrazinecarbohydrazide
CAS 767311-96-6C21H19ClN4O3
1-((3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl)methyl)-3-isobutylquinazoline-2,4(1H,3H)-dione
CAS 1105241-31-3C21H19ClN4O3
![4-{4-[3-(4-Chlorophenyl)-6-oxo-1,6-dihydropyridazin-1-yl]butanamido}benzamide chemical structure, C21H19ClN4O3, CAS 946215-33-4](/s/DEINDUUETPGSMD-UHFFFAOYSA-N.svg)
4-{4-[3-(4-Chlorophenyl)-6-oxo-1,6-dihydropyridazin-1-yl]butanamido}benzamide
CAS 946215-33-4C21H19ClN4O3
2-(4-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)butanamido)benzamide
CAS 946321-13-7C21H19ClN4O3
3-(sec-Butyl)-1-((3-(2-chlorophenyl)-1,2,4-oxadiazol-5-yl)methyl)quinazoline-2,4(1H,3H)-dione
CAS 1105240-82-1C21H19ClN4O3
![Methyl[(4S)-6-(4-chlorophenyl)-1-methyl-8-(methyloxy)-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]acetate chemical structure, C21H19ClN4O3, CAS 1300019-40-2](/s/FCJDMCOJXLHSKW-KRWDZBQOSA-N.svg)
Methyl[(4S)-6-(4-chlorophenyl)-1-methyl-8-(methyloxy)-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]acetate
CAS 1300019-40-2C21H19ClN4O3
N-Benzyl-2-(1-(3-chlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carbonyl)hydrazinecarboxamide
CAS 1105225-70-4C21H19ClN4O3
2-(1-(3-Chlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carbonyl)-N-(m-tolyl)hydrazinecarboxamide
CAS 1105225-74-8C21H19ClN4O3
![1-(4-Chlorophenyl)-N-[4-(5-ethyl-1,3,4-oxadiazol-2-yl)phenyl]-5-oxopyrrolidine-3-carboxamide chemical structure, C21H19ClN4O3, CAS 946276-02-4](/s/PIJUIDSSCHHHMX-UHFFFAOYSA-N.svg)
1-(4-Chlorophenyl)-N-[4-(5-ethyl-1,3,4-oxadiazol-2-yl)phenyl]-5-oxopyrrolidine-3-carboxamide
CAS 946276-02-4C21H19ClN4O3
![3-(Butan-2-yl)-1-{[3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl}-1,2,3,4-tetrahydroquinazoline-2,4-dione chemical structure, C21H19ClN4O3, CAS 1105249-91-9](/s/VIDZQRBPRBLPIU-UHFFFAOYSA-N.svg)
3-(Butan-2-yl)-1-{[3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl}-1,2,3,4-tetrahydroquinazoline-2,4-dione
CAS 1105249-91-9C21H19ClN4O3
![Methyl 2-(6-(4-chlorophenyl)-8-methoxy-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)acetate chemical structure, C21H19ClN4O3, CAS 1260530-41-3](/s/FCJDMCOJXLHSKW-UHFFFAOYSA-N.svg)
Methyl 2-(6-(4-chlorophenyl)-8-methoxy-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)acetate
CAS 1260530-41-3C21H19ClN4O3
![Ethyl 1-(4-chlorophenyl)-4-[(2-furylmethyl)amino]-3-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate chemical structure, C21H19ClN4O3, CAS 866133-59-7](/s/POPFNGMYQZLHMT-UHFFFAOYSA-N.svg)
Ethyl 1-(4-chlorophenyl)-4-[(2-furylmethyl)amino]-3-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate
CAS 866133-59-7C21H19ClN4O3
![N-(3-Chlorophenyl)-1-(3-methoxypropyl)-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide chemical structure, C21H19ClN4O3, CAS 900294-50-0](/s/NZTZCMGIYVSGCF-UHFFFAOYSA-N.svg)
N-(3-Chlorophenyl)-1-(3-methoxypropyl)-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide
CAS 900294-50-0C21H19ClN4O3
3-(sec-Butyl)-1-((3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl)methyl)quinazoline-2,4(1H,3H)-dione
CAS 1105221-93-9C21H19ClN4O3
![N-(4-Chlorophenyl)-1-(3-methoxypropyl)-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide chemical structure, C21H19ClN4O3, CAS 900261-07-6](/s/LZQSBDNBDUMNOR-UHFFFAOYSA-N.svg)
N-(4-Chlorophenyl)-1-(3-methoxypropyl)-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide
CAS 900261-07-6C21H19ClN4O3
2-(4-Chlorophenyl)-6-(3-(3,4-dimethylanilino)acryloyl)-4-methyl-1,2,4-triazine-3,5(2H,4H)-dione
CAS 477854-27-6C21H19ClN4O3
![1-{[3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl}-3-(2-methylpropyl)-1,2,3,4-tetrahydroquinazoline-2,4-dione chemical structure, C21H19ClN4O3, CAS 1105241-20-0](/s/RPCOZFJGUZLRAI-UHFFFAOYSA-N.svg)
1-{[3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl}-3-(2-methylpropyl)-1,2,3,4-tetrahydroquinazoline-2,4-dione
CAS 1105241-20-0C21H19ClN4O3
N-(4-Chlorophenyl)-2-(1-(4-methylbenzyl)-6-oxo-1,6-dihydropyridine-3-carbonyl)hydrazinecarboxamide
CAS 1105206-76-5C21H19ClN4O3
![2-(4-Chlorophenyl)-N-(3-methoxypropyl)-3-oxo-2H,3H,5H-pyrazolo[4,3-c]quinoline-8-carboxamide chemical structure, C21H19ClN4O3, CAS 1251674-24-4](/s/KYZYVYLJFSERAG-UHFFFAOYSA-N.svg)
2-(4-Chlorophenyl)-N-(3-methoxypropyl)-3-oxo-2H,3H,5H-pyrazolo[4,3-c]quinoline-8-carboxamide
CAS 1251674-24-4C21H19ClN4O3
![1-{[(5-Chloro-2-methylphenyl)carbamoyl]methyl}-N-cyclopropyl-2-oxo-1,2-dihydroquinoxaline-6-carboxamide chemical structure, C21H19ClN4O3, CAS 1251628-33-7](/s/FWOUUPBCZJJWCY-UHFFFAOYSA-N.svg)
1-{[(5-Chloro-2-methylphenyl)carbamoyl]methyl}-N-cyclopropyl-2-oxo-1,2-dihydroquinoxaline-6-carboxamide
CAS 1251628-33-7C21H19ClN4O3
![5-Chloro-N-[3-(2-methoxyethyl)-4-oxo-3,4-dihydroquinazolin-6-yl]-1-methyl-1H-indole-2-carboxamide chemical structure, C21H19ClN4O3, CAS 1574531-41-1](/s/ODICDLBOJIXFNJ-UHFFFAOYSA-N.svg)
5-Chloro-N-[3-(2-methoxyethyl)-4-oxo-3,4-dihydroquinazolin-6-yl]-1-methyl-1H-indole-2-carboxamide
CAS 1574531-41-1C21H19ClN4O3
- 3-[5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-yl]-N-{[3-(2-oxoazetidin-1-yl)phenyl]methyl}propanamide1808635-64-4C21H19ClN4O3
- 1-(3-Chlorophenyl)-6-(3,5-dimethoxybenzyl)-4-methyl-1H-pyrazolo[3,4-d]pyridazin-7(6H)-one941972-99-2C21H19ClN4O3
- 1-((3-(2-Chlorophenyl)-1,2,4-oxadiazol-5-yl)methyl)-3-isobutylquinazoline-2,4(1H,3H)-dione1105222-17-0C21H19ClN4O3
- 2-(1-(3-Chlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carbonyl)-N-(p-tolyl)hydrazinecarboxamide1105205-72-8C21H19ClN4O3
- N-(3-Chloro-4-methoxyphenyl)-3-(8-methyl-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-3-yl)propanamide1207058-44-3C21H19ClN4O3
- 7-(3-(2-Chlorophenyl)-1,2,4-oxadiazol-5-yl)-3-pentylquinazoline-2,4(1H,3H)-dione1207043-89-7C21H19ClN4O3
- 7-[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-3-pentyl-1,2,3,4-tetrahydroquinazoline-2,4-dione1207059-63-9C21H19ClN4O3
- 7-(3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl)-3-pentylquinazoline-2,4(1H,3H)-dione1207044-05-0C21H19ClN4O3
- 3-Butyl-1-((3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl)methyl)quinazoline-2,4(1H,3H)-dione1207014-39-8C21H19ClN4O3
- 7-(3-Chloro-4-methoxyphenyl)-2-(2,5-dimethylbenzyl)-[1,2,4]triazolo[4,3-a]pyrazine-3,8(2H,7H)-dione2034347-74-3C21H19ClN4O3
- (E)-3-(1-(3-(2-Chlorophenyl)acryloyl)piperidin-4-yl)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione2034887-61-9C21H19ClN4O3
- 3-(2-Chlorophenyl)-5-methyl-N-(2-{1-methyl-7-oxo-1H,6H,7H-pyrrolo[2,3-c]pyridin-6-yl}ethyl)-1,2-oxazole-4-carboxamide2034531-94-5C21H19ClN4O3
- Methyl 4-({[4-(3-chlorophenyl)-3,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate1040700-85-3C21H19ClN4O3
- Methyl 2-({[4-(2-chlorophenyl)-3,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate1040706-69-1C21H19ClN4O3
- Methyl 2-({[4-(3-chlorophenyl)-3,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate1040707-61-6C21H19ClN4O3
- Methyl 4-({[4-(2-chlorophenyl)-3,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate1040698-47-2C21H19ClN4O3
- Methyl 3-({[4-(3-chlorophenyl)-3,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate1040701-60-7C21H19ClN4O3
- 3-(5-(1-(2-(2-Chlorophenyl)acetyl)azetidin-3-yl)-1,2,4-oxadiazol-3-yl)-N-methylbenzamide1396888-07-5C21H19ClN4O3
- 5-[3-(3-Chloro-4-ethoxyphenyl)-1H-pyrazol-4-yl]-3-(2-ethoxyphenyl)-1,2,4-oxadiazole2326022-92-6C21H19ClN4O3
- 2,3-Dihydro-1,4-benzodioxin-2-carboxylic acid 2-[[5-chloro-3-methyl-1-(phenylmethyl)-1H-pyrazol-4-yl]methylene]hydrazide1020206-39-6C21H19ClN4O3
- Acetic acid, (4-((1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene)methyl)phenoxy)-, (1-(4-chlorophenyl)ethylidene)hydrazide107045-05-6C21H19ClN4O3
- 1-Benzyl-7-chloro-3-(3,5-dimethoxyphenyl)-3,4-dihydropyrimido[4,5-d]pyrimidin-2(1H)-one1628795-77-6C21H19ClN4O3
- 2-{1-[2-(2-Chlorophenoxy)propanoyl]azetidin-3-yl}-6-(pyridin-4-yl)-2,3-dihydropyridazin-3-one2380191-33-1C21H19ClN4O3
Frequently asked questions
What is the molar mass of C21H19ClN4O3?
The molar mass of C21H19ClN4O3 is 410.86 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 410.1146 Da.
How many compounds have the formula C21H19ClN4O3?
CompoundList lists 47 compounds with the molecular formula C21H19ClN4O3, including 2-Chloro-N-{4-[4-(furan-2-carbonyl)piperazin-1-yl]phenyl}pyridine-3-carboxamide, N-[3-Chloro-4-[4-(furan-2-carbonyl)piperazin-1-yl]phenyl]pyridine-3-carboxamide, N-[3-(N-{[3-(2-Chlorophenyl)-5-methyl-4-isoxazolyl]carbonyl}ethanehydrazonoyl)phenyl]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 C21H19ClN4O3?
C21H19ClN4O3 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.