Molecular formula
C21H19N5O2
177 compounds have this formula on CompoundList.
- Molar mass
- 373.42g/mol
- Monoisotopic mass
- 373.1539Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 15
The formula C21H19N5O2 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 5 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 × 2167.55%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 195.13%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 518.76%14.007 × 5 = 70.035 g/mol
- O Oxygen × 28.57%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C21H19N5O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 177 of 177 compounds
3-Amino-6-(4-(cyclopropylcarbamoyl)phenyl)-N-phenylpyrazine-2-carboxamide
CAS 1232410-16-0C21H19N5O2
![3-[3-(Pyridin-4-yl)-1,2,4-oxadiazol-5-yl]-1-(1,3,4,9-tetrahydro-2H-beta-carbolin-2-yl)propan-1-one chemical structure, C21H19N5O2, CAS 1574317-39-7](/s/ZFTLWODUPNKDLX-UHFFFAOYSA-N.svg)
3-[3-(Pyridin-4-yl)-1,2,4-oxadiazol-5-yl]-1-(1,3,4,9-tetrahydro-2H-beta-carbolin-2-yl)propan-1-one
CAS 1574317-39-7C21H19N5O2
![7-[(6-Methoxy-3-pyridinyl)methyl]-4-(1-methyl-1H-pyrazol-4-yl)-2-quinolinecarboxamide chemical structure, C21H19N5O2, CAS 1432730-50-1](/s/SCQCBCDZDFBKIQ-UHFFFAOYSA-N.svg)
7-[(6-Methoxy-3-pyridinyl)methyl]-4-(1-methyl-1H-pyrazol-4-yl)-2-quinolinecarboxamide
CAS 1432730-50-1C21H19N5O2
![3-[7-(2-Hydroxyethyl)-8,9-dimethyl-7H-pyrrolo[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl]-2-naphthol chemical structure, C21H19N5O2, CAS 921069-67-2](/s/FLBOPQKEKOWJBY-UHFFFAOYSA-N.svg)
3-[7-(2-Hydroxyethyl)-8,9-dimethyl-7H-pyrrolo[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl]-2-naphthol
CAS 921069-67-2C21H19N5O2
2-Hydroxy-5-(2-(4-morpholinophenylamino)pyrimidin-4-yl)benzonitrile
CAS 1056634-86-6C21H19N5O2
![5-(4-Methylphenyl)-N-[1-[(4-methylphenyl)methyl]-1,2,4-triazol-3-yl]-1,2-oxazole-3-carboxamide chemical structure, C21H19N5O2, CAS 679801-28-6](/s/MXPPBVSFJOJFFW-UHFFFAOYSA-N.svg)
5-(4-Methylphenyl)-N-[1-[(4-methylphenyl)methyl]-1,2,4-triazol-3-yl]-1,2-oxazole-3-carboxamide
CAS 679801-28-6C21H19N5O2
![N-(2,5-Dimethylphenyl)-2-(4-oxo-1-phenylpyrazolo[3,4-d]pyrimidin-5-yl)acetamide chemical structure, C21H19N5O2, CAS 852440-04-1](/s/AYUJPSNZNCZDBR-UHFFFAOYSA-N.svg)
N-(2,5-Dimethylphenyl)-2-(4-oxo-1-phenylpyrazolo[3,4-d]pyrimidin-5-yl)acetamide
CAS 852440-04-1C21H19N5O2
![N-(3,5-Dimethylphenyl)-2-(4-oxo-1-phenylpyrazolo[3,4-d]pyrimidin-5-yl)acetamide chemical structure, C21H19N5O2, CAS 852440-06-3](/s/CNEAFOGGWTWTBL-UHFFFAOYSA-N.svg)
N-(3,5-Dimethylphenyl)-2-(4-oxo-1-phenylpyrazolo[3,4-d]pyrimidin-5-yl)acetamide
CAS 852440-06-3C21H19N5O2
![N-(2-Methylphenyl)-2-[1-(4-methylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]acetamide chemical structure, C21H19N5O2, CAS 863446-35-9](/s/MCSZPMNTVIOMKV-UHFFFAOYSA-N.svg)
N-(2-Methylphenyl)-2-[1-(4-methylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]acetamide
CAS 863446-35-9C21H19N5O2
![2-(4-Oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(p-tolyl)acetamide chemical structure, C21H19N5O2, CAS 863446-36-0](/s/UNVGEWMMGCDECP-UHFFFAOYSA-N.svg)
2-(4-Oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(p-tolyl)acetamide
CAS 863446-36-0C21H19N5O2
![N-(2-Methylphenyl)-2-[1-(2-methylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]acetamide chemical structure, C21H19N5O2, CAS 895009-02-6](/s/JGSRZRWSWUGYML-UHFFFAOYSA-N.svg)
N-(2-Methylphenyl)-2-[1-(2-methylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]acetamide
CAS 895009-02-6C21H19N5O2
![N-(3-Methylphenyl)-2-[1-(2-methylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]acetamide chemical structure, C21H19N5O2, CAS 895009-09-3](/s/FCGAWYPWFPEISC-UHFFFAOYSA-N.svg)
N-(3-Methylphenyl)-2-[1-(2-methylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]acetamide
CAS 895009-09-3C21H19N5O2
![N-(4-Methylphenyl)-2-[1-(2-methylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]acetamide chemical structure, C21H19N5O2, CAS 895009-16-2](/s/WSZYGJOOQLTHKX-UHFFFAOYSA-N.svg)
N-(4-Methylphenyl)-2-[1-(2-methylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]acetamide
CAS 895009-16-2C21H19N5O2
![N-Benzyl-2-[1-(2-methylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]acetamide chemical structure, C21H19N5O2, CAS 895011-35-5](/s/DODNLZFANRDWBO-UHFFFAOYSA-N.svg)
N-Benzyl-2-[1-(2-methylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]acetamide
CAS 895011-35-5C21H19N5O2
![2-[1-(2,3-Dimethylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]-N-phenylacetamide chemical structure, C21H19N5O2, CAS 895021-50-8](/s/ZAOZWJMSQKHJOT-UHFFFAOYSA-N.svg)
2-[1-(2,3-Dimethylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]-N-phenylacetamide
CAS 895021-50-8C21H19N5O2
![2-[1-(2,4-Dimethylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]-N-phenylacetamide chemical structure, C21H19N5O2, CAS 894998-44-8](/s/LMTBBRTUNLKGGS-UHFFFAOYSA-N.svg)
2-[1-(2,4-Dimethylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]-N-phenylacetamide
CAS 894998-44-8C21H19N5O2
![N-(3-Methoxyphenyl)-4,7-dimethyl-8-phenylpyrazolo[5,1-c][1,2,4]triazine-3-carboxamide chemical structure, C21H19N5O2, CAS 921042-07-1](/s/JROOQYKMNVNYLH-UHFFFAOYSA-N.svg)
N-(3-Methoxyphenyl)-4,7-dimethyl-8-phenylpyrazolo[5,1-c][1,2,4]triazine-3-carboxamide
CAS 921042-07-1C21H19N5O2
N-((1-(4-Methoxyphenyl)-1H-tetrazol-5-yl)methyl)-2-(naphthalen-1-yl)acetamide
CAS 897614-87-8C21H19N5O2
![3,5-Dimethyl-N-(4-oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzamide chemical structure, C21H19N5O2, CAS 900007-79-6](/s/SVOQKOCDSNQPSG-UHFFFAOYSA-N.svg)
3,5-Dimethyl-N-(4-oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzamide
CAS 900007-79-6C21H19N5O2
![3,4-Dimethyl-N-(4-oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzamide chemical structure, C21H19N5O2, CAS 899737-07-6](/s/YDNFFPKNQBNMJE-UHFFFAOYSA-N.svg)
3,4-Dimethyl-N-(4-oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzamide
CAS 899737-07-6C21H19N5O2
![N-[1-(3,4-Dimethylphenyl)-4-oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-5-yl]-2-methylbenzamide chemical structure, C21H19N5O2, CAS 900008-70-0](/s/DHSZCATTWJHNKC-UHFFFAOYSA-N.svg)
N-[1-(3,4-Dimethylphenyl)-4-oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-5-yl]-2-methylbenzamide
CAS 900008-70-0C21H19N5O2
N-((1-(4-Ethoxyphenyl)-1H-tetrazol-5-yl)methyl)-1-naphthamide
CAS 921053-69-2C21H19N5O2
N-((1-(4-Ethoxyphenyl)-1H-tetrazol-5-yl)methyl)-2-naphthamide
CAS 941921-94-4C21H19N5O2
2-(Naphthalen-2-yloxy)-N-((1-(p-tolyl)-1H-tetrazol-5-yl)methyl)acetamide
CAS 921165-91-5C21H19N5O2
- 2-Ethoxy-N-((1-phenyl-1H-tetrazol-5-yl)methyl)-1-naphthamide941874-71-1C21H19N5O2
- 5-Ethyl-N-(4-methylpyridin-2-yl)-3-oxo-2-phenyl-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide921881-13-2C21H19N5O2
- 5-Ethyl-N-(6-methylpyridin-2-yl)-3-oxo-2-phenyl-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide921577-26-6C21H19N5O2
- N-(4-Oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-2-(m-tolyl)acetamide900008-24-4C21H19N5O2
- N-(4-Oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-3-phenylpropanamide899966-82-6C21H19N5O2
- 3-[3-Oxo-3-(1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)propyl]-1,2,3-benzotriazin-4(3H)-one1241595-53-8C21H19N5O2
- 3-Oxo-2-phenyl-5-propyl-N-(pyridin-3-yl)-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide921578-66-7C21H19N5O2
- 2-(3-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)-N-(naphthalen-1-yl)acetamide1219542-60-5C21H19N5O2
- N-(3-Methylphenyl)-2-[6-(4-methylphenyl)-3-oxo-2H,3H-[1,2,4]triazolo[4,3-b]pyridazin-2-yl]acetamide1251693-83-0C21H19N5O2
- 3-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)-N-(3-methoxyphenyl)-7-methyl-1,8-naphthyridin-4-amine1251681-23-8C21H19N5O2
- N-[2-(3-Methyl-1,2,4-oxadiazol-5-yl)ethyl]-1,3-diphenyl-1H-pyrazole-5-carboxamide1282115-32-5C21H19N5O2
- N-((1H-Benzo[d]imidazol-2-yl)methyl)-1-(1H-indole-3-carbonyl)azetidine-3-carboxamide1396801-81-2C21H19N5O2
- N1-(2-cyanophenyl)-N2-(3-(2-phenyl-1H-imidazol-1-yl)propyl)oxalamide1448043-79-5C21H19N5O2
- Phenyl (1',4-dimethyl-1-phenyl-1H,1'H-[3,4'-bipyrazol]-5-yl)carbamate1414571-74-6C21H19N5O2
- (1H-Indol-6-yl)(3-(4-(phenoxymethyl)-1H-1,2,3-triazol-1-yl)azetidin-1-yl)methanone2034248-78-5C21H19N5O2
- 2-(1H-Benzo[d][1,2,3]triazol-1-yl)-1-(3-(quinolin-8-yloxy)pyrrolidin-1-yl)ethanone1903160-84-8C21H19N5O2
- N-({[2,3'-Bipyridine]-5-yl}methyl)-3-methoxy-2-methyl-2H-indazole-6-carboxamide2034448-95-6C21H19N5O2
- 2-Ethoxy-N-((1-(pyridin-4-yl)-1H-1,2,3-triazol-4-yl)methyl)-1-naphthamide2034532-17-5C21H19N5O2
- (1-Methyl-1H-indazol-3-yl)(3-(5-phenyl-1,2,4-oxadiazol-3-yl)pyrrolidin-1-yl)methanone2034602-44-1C21H19N5O2
- N-(2-(5-Cyclopropyl-3-(pyrazin-2-yl)-1H-pyrazol-1-yl)ethyl)benzofuran-2-carboxamide2034601-19-7C21H19N5O2
- (4-(2H-1,2,3-Triazol-2-yl)piperidin-1-yl)(3-phenylbenzo[c]isoxazol-5-yl)methanone2200625-88-1C21H19N5O2
- N-(1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-1-naphthamide1004680-43-6C21H19N5O2
- N-(1-(4-Ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-naphthamide1004252-63-4C21H19N5O2
- 2-Amino-N-cyclopropyl-1-(4-methoxyphenyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide488090-17-1C21H19N5O2
- 7-(Furan-2-ylmethyl)-8,9-dimethyl-2-(phenoxymethyl)-7H-pyrrolo[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine903854-91-1C21H19N5O2
- 1,3-Dihydro-1-[1-(2-quinoxalinylcarbonyl)-4-piperidinyl]-2H-benzimidazol-2-one521170-09-2C21H19N5O2
- 1-(4-Methoxyphenyl)-N-(pyridin-4-ylmethyl)-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-carboxamide1630906-18-1C21H19N5O2
- 4-Methoxy-N-{[6-(4-methylphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]methyl}benzamide1775365-23-5C21H19N5O2
- 3-[[6-(Aminomethyl)-4-pyrimidinyl]oxy]-N-(1H-indol-2-ylmethyl)benzamide2060556-45-6C21H19N5O2
- N-(1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-naphthamide1004680-44-7C21H19N5O2
- N-(3-Methyl-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)-2-(naphthalen-1-yl)acetamide1004384-00-2C21H19N5O2
- N-[(3S)-1-Cyanopyrrolidin-3-yl]-3-(2-phenoxyphenyl)-1H-pyrazole-5-carboxamideC21H19N5O2
- 6,7-Bis(4-methoxyphenyl)pyrido[2,3-d]pyrimidine-2,4-diamine685107-51-1C21H19N5O2
- N-[1-(2-Phenylpyrazolo[1,5-a]pyrazin-4-yl)pyrrolidin-3-yl]-2-furamide1986519-04-3C21H19N5O2
- 4-(3-(2-Morpholinopyridin-4-yl)-1H-indazol-5-yl)pyridin-2(1H)-one1627191-09-6C21H19N5O2
- 5-(3-(2-Morpholinopyridin-4-yl)-1H-indazol-5-yl)pyridin-2(1H)-one1627193-34-3C21H19N5O2
- Methyl 6-(6-(6-(1-aminoethyl)pyridin-2-yl)-1H-indazol-1-yl)picolinate1864772-57-5C21H19N5O2
- N-(4-Carbamoylphenyl)-1-(6-phenylpyrimidin-4-yl)azetidine-3-carboxamide2034257-25-3C21H19N5O2
- 2-{[1-(Quinoxaline-6-carbonyl)piperidin-4-yl]methoxy}pyridine-4-carbonitrile2379948-30-6C21H19N5O2
- 2-{[1-(Quinoxaline-6-carbonyl)piperidin-3-yl]methoxy}pyridine-4-carbonitrile2380070-27-7C21H19N5O2
- 2-{[1-(Quinoxaline-2-carbonyl)piperidin-3-yl]methoxy}pyridine-4-carbonitrile2379977-28-1C21H19N5O2
- 2-Benzyl-5-{2-methylpyrido[3,4-d]pyrimidin-4-yl}-octahydropyrrolo[3,4-c]pyrrole-1,3-dione2415511-72-5C21H19N5O2
- 6-{5-[2-(1,2-Benzoxazol-3-yl)acetyl]-octahydropyrrolo[3,4-c]pyrrol-2-yl}pyridine-3-carbonitrile2415469-77-9C21H19N5O2
- (3R)-3-[2-[3-(4-Amino-2-methylpyrido[3,2-d]pyrimidin-6-yl)phenyl]ethynyl]-3-hydroxy-1-methyl-2-pyrrolidinone2561449-62-3C21H19N5O2
- 6-(8,9-Dihydro-6H-pyrido[4,3-b][1,8]naphthyridine-7-carbonyl)-1,2-dimethylindazol-3-one2741907-62-8C21H19N5O2
- N-(4-Methoxyphenyl)-2-[(E)-phenyldiazenyl]-2-(2-phenylhydrazinylidene)acetamide62526-11-8C21H19N5O2
- 4-Methoxy-N-(4-methoxyphenyl)-N-[4-(2H-tetrazol-5-yl)phenyl]aniline922495-42-9C21H19N5O2
- Ethanediamide, N1-[4-(2-phenyldiazenyl)phenyl]-N2-[1-(4-pyridinyl)ethyl]-1627469-46-8C21H19N5O2
- N-(1-{2-Phenylpyrazolo[1,5-A]pyrazin-4-YL}pyrrolidin-3-yl)furan-3-carboxamide2108837-42-7C21H19N5O2
- N-[1-(3-Cyanopyrazin-2-yl)azetidin-3-yl]-3-methoxy-N-methylnaphthalene-2-carboxamide2380182-03-4C21H19N5O2
- N-(2-Cyanophenyl)-N'-{2-[4-(1-methyl-1H-pyrazol-4-yl)phenyl]ethyl}ethanediamide2549015-68-9C21H19N5O2
- 3-Methoxy-2-methyl-6-{6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine-7-carbonyl}-2H-indazole2770615-37-5C21H19N5O2
- 2-[3-(4-Methoxyphenyl)-1-phenylpyrazol-4-yl]-N-(1H-pyrazol-5-yl)acetamide2636943-25-2C21H19N5O2
Frequently asked questions
What is the molar mass of C21H19N5O2?
The molar mass of C21H19N5O2 is 373.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 373.1539 Da.
How many compounds have the formula C21H19N5O2?
CompoundList lists 177 compounds with the molecular formula C21H19N5O2, including 3-Amino-6-(4-(cyclopropylcarbamoyl)phenyl)-N-phenylpyrazine-2-carboxamide, 3-[3-(Pyridin-4-yl)-1,2,4-oxadiazol-5-yl]-1-(1,3,4,9-tetrahydro-2H-beta-carbolin-2-yl)propan-1-one, 7-[(6-Methoxy-3-pyridinyl)methyl]-4-(1-methyl-1H-pyrazol-4-yl)-2-quinolinecarboxamide. 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 C21H19N5O2?
C21H19N5O2 has a degree of unsaturation of 15. 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.