Molecular formula
C21H22N4O
170 compounds have this formula on CompoundList.
- Molar mass
- 346.43g/mol
- Monoisotopic mass
- 346.1794Da
- Atoms
- 48
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H22N4O describes a molecule made of 21 carbon atoms, 22 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. 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 × 2172.81%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 226.40%1.008 × 22 = 22.176 g/mol
- N Nitrogen × 416.17%14.007 × 4 = 56.028 g/mol
- O Oxygen × 14.62%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C21H22N4O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 170 compounds
![4-[2-(9-Methyl-6-indolo[3,2-b]quinoxalinyl)ethyl]morpholine chemical structure, C21H22N4O, CAS 637756-59-3](/s/GGOHFJAXUJJYNI-UHFFFAOYSA-N.svg)
4-[2-(9-Methyl-6-indolo[3,2-b]quinoxalinyl)ethyl]morpholine
CAS 637756-59-3C21H22N4O
N-Phenyl-4-(quinolin-2-ylmethyl)piperazine-1-carboxamide
CAS 898235-65-9C21H22N4O
![1-[4-(4-Phenylphthalazin-1-yl)piperazin-1-yl]propan-1-one chemical structure, C21H22N4O, CAS 577765-35-6](/s/MRBWZUCMPIXBMZ-UHFFFAOYSA-N.svg)
1-[4-(4-Phenylphthalazin-1-yl)piperazin-1-yl]propan-1-one
CAS 577765-35-6C21H22N4O
![3-[4-(2-Methoxyphenyl)piperazin-1-yl]-6-phenylpyridazine chemical structure, C21H22N4O, CAS 841223-65-2](/s/WSDSYENNNXQWGH-UHFFFAOYSA-N.svg)
3-[4-(2-Methoxyphenyl)piperazin-1-yl]-6-phenylpyridazine
CAS 841223-65-2C21H22N4O
1-(2-Cyanoethyl)-N,N-diethyl-3-naphthalen-2-ylpyrazole-4-carboxamide
CAS 956396-52-4C21H22N4O
![N'-[(1E)-6-(Propan-2-yl)-2,3,4,9-tetrahydro-1H-carbazol-1-ylidene]pyridine-4-carbohydrazide chemical structure, C21H22N4O, CAS 329070-80-6](/s/SGWJAQIGQNOSND-LYBHJNIJSA-N.svg)
N'-[(1E)-6-(Propan-2-yl)-2,3,4,9-tetrahydro-1H-carbazol-1-ylidene]pyridine-4-carbohydrazide
CAS 329070-80-6C21H22N4O
2-(4-Methyl-6-(4-phenylpiperazin-1-yl)pyrimidin-2-yl)phenol
CAS 369603-92-9C21H22N4O
![N-[(E)-[1-(3,4-Dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylideneamino]pyridine-4-carboxamide chemical structure, C21H22N4O, CAS 357928-94-0](/s/OFEXLVCYKNEKNC-YDZHTSKRSA-N.svg)
N-[(E)-[1-(3,4-Dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylideneamino]pyridine-4-carboxamide
CAS 357928-94-0C21H22N4O
![2-(Naphthalen-1-yl)-5-{[2-(piperidin-1-yl)ethyl]amino}-1,3-oxazole-4-carbonitrile chemical structure, C21H22N4O, CAS 846586-81-0](/s/UDFMBOSEYOKVOA-UHFFFAOYSA-N.svg)
2-(Naphthalen-1-yl)-5-{[2-(piperidin-1-yl)ethyl]amino}-1,3-oxazole-4-carbonitrile
CAS 846586-81-0C21H22N4O
![1-[4-[4-(4-Methylphenyl)phthalazin-1-yl]piperazin-1-yl]ethanone chemical structure, C21H22N4O, CAS 577959-65-0](/s/AVWJDVDAQMDRFS-UHFFFAOYSA-N.svg)
1-[4-[4-(4-Methylphenyl)phthalazin-1-yl]piperazin-1-yl]ethanone
CAS 577959-65-0C21H22N4O
N'-Benzylidene-3-(4-isobutylphenyl)-1H-pyrazole-5-carbohydrazide
CAS 303107-06-4C21H22N4O
N'-(4-Pyridinylmethylene)3-(1,2,3,4-tetrahydro-9H-carbazol-9-yl)propanohydrazide
CAS 612047-81-1C21H22N4O
N'-(3-Pyridinylmethylene)3-(1,2,3,4-tetrahydro-9H-carbazol-9-yl)propanohydrazide
CAS 452089-92-8C21H22N4O
5-(4-Benzylpiperazino)-6-phenyl-3(2H)-pyridazinone
CAS 477863-26-6C21H22N4O
SpdSyn binder-1
CAS 251106-30-6C21H22N4O
5-(2,6-Dimethylmorpholino)-3,6-diphenyl-1,2,4-triazine
CAS 339013-11-5C21H22N4O
![[4-[(4-Methylphthalazin-1-yl)amino]phenyl]-piperidin-1-ylmethanone chemical structure, C21H22N4O, CAS 309921-84-4](/s/USGPHEOHHWNVKL-UHFFFAOYSA-N.svg)
[4-[(4-Methylphthalazin-1-yl)amino]phenyl]-piperidin-1-ylmethanone
CAS 309921-84-4C21H22N4O
![11-(Oxolan-2-ylmethylamino)-7,8,9,10-tetrahydrobenzimidazolo[1,2-b]isoquinoline-6-carbonitrile chemical structure, C21H22N4O, CAS 861124-44-9](/s/PQAOGYOHTUDXQB-UHFFFAOYSA-N.svg)
11-(Oxolan-2-ylmethylamino)-7,8,9,10-tetrahydrobenzimidazolo[1,2-b]isoquinoline-6-carbonitrile
CAS 861124-44-9C21H22N4O
![11-(2,6-Dimethylmorpholino)-2,3-dihydro-1H-benzo[4,5]imidazo[1,2-a]cyclopenta[d]pyridine-4-carbonitrile chemical structure, C21H22N4O, CAS 305335-10-8](/s/ODDCOAJSJSWGGF-UHFFFAOYSA-N.svg)
11-(2,6-Dimethylmorpholino)-2,3-dihydro-1H-benzo[4,5]imidazo[1,2-a]cyclopenta[d]pyridine-4-carbonitrile
CAS 305335-10-8C21H22N4O
4H-Imidazo(4,5-c)(1,8)naphthyridin-4-one, 3,5-dihydro-3-hexyl-5-phenyl-
CAS 139482-31-8C21H22N4O
![1-[5-Cyclopropanecarbonyl-2-(3,4-dimethylphenyl)-2H,4H,5H,6H-pyrrolo[3,4-c]pyrazol-3-yl]-1H-pyrrole chemical structure, C21H22N4O, CAS 1286705-52-9](/s/NPXNLBNBVGVGLR-UHFFFAOYSA-N.svg)
1-[5-Cyclopropanecarbonyl-2-(3,4-dimethylphenyl)-2H,4H,5H,6H-pyrrolo[3,4-c]pyrazol-3-yl]-1H-pyrrole
CAS 1286705-52-9C21H22N4O
![2-Phenyl-6-[(4-phenylpiperazin-1-yl)methyl]-3,4-dihydropyrimidin-4-one chemical structure, C21H22N4O, CAS 1286492-39-4](/s/PKYOWCCKADWWFV-UHFFFAOYSA-N.svg)
2-Phenyl-6-[(4-phenylpiperazin-1-yl)methyl]-3,4-dihydropyrimidin-4-one
CAS 1286492-39-4C21H22N4O
1-(2-(1H-Indol-3-yl)ethyl)-3-(1-ethyl-1H-indol-3-yl)urea
CAS 899990-84-2C21H22N4O
1-(1-Ethyl-1H-indol-3-yl)-3-((2-methyl-1H-indol-5-yl)methyl)urea
CAS 899753-81-2C21H22N4O
- 1,3-Diethyl-5-(3-m-tolyl-1H-pyrazol-4-yl)-1,3-dihydro-benzoimidazol-2-one459200-50-1C21H22N4O
- 1-[4-(4-Methylphenyl)phthalazin-1-yl]piperidine-4-carboxamide670269-90-6C21H22N4O
- 3-Amino-N-butyl-5,6-diphenylpyrazine-2-carboxamide7509-57-1C21H22N4O
- [1,1'-Biphenyl]-4-carboxamide, N-(cyclopropylmethyl)-2'-methyl-5'-(3-methyl-1H-1,2,4-triazol-5-yl)-1006878-14-3C21H22N4O
- 2-(1H-Indazol-3-yl)-N-isobutyl-N-methyl-1H-indole-6-carboxamide1294514-70-7C21H22N4O
- 3-Benzyl-2-hydrazinyl-5,5-dimethyl-6H-benzo[h]quinazolin-4-one304877-26-7C21H22N4O
- 1-(1H-Benzimidazol-2-yl)-3-methyl-4-[4-(propan-2-yl)benzyl]-1H-pyrazol-5-ol944788-41-4C21H22N4O
- (3,4-Dihydroquinolin-1(2H)-yl)(1-(4-ethylphenyl)-5-methyl-1H-1,2,3-triazol-4-yl)methanone904812-40-4C21H22N4O
- (E)-3-(1H-Benzo[d]imidazol-1-yl)-2-methyl-N'-((E)-2-methyl-3-phenylallylidene)propanehydrazide518018-81-0C21H22N4O
- 5-Cyclopropyl-1-(4-methylphenyl)-N-(2-phenylethyl)-1H-1,2,3-triazole-4-carboxamide954351-44-1C21H22N4O
- N-[(E)-Pyridin-2-ylmethylideneamino]-3-(1,2,3,4-tetrahydrocarbazol-9-yl)propanamide612047-88-8C21H22N4O
- (E)-N'-(4-Isopropylbenzylidene)-4-methyl-3-phenyl-1H-pyrazole-5-carbohydrazide1284268-50-3C21H22N4O
- 2-(3-(Dimethylamino)-4-phenyl-1H-pyrazol-1-yl)-1-(indolin-1-yl)ethanone1286696-70-5C21H22N4O
- 3-{3-[(4-Methylpiperidin-1-yl)carbonyl]-1-phenyl-1H-pyrazol-5-yl}pyridine1189662-84-7C21H22N4O
- 1-(4-(6-Methylpyrimidin-4-yl)piperazin-1-yl)-2-(naphthalen-1-yl)ethanone1396564-34-3C21H22N4O
- N-[2-(1H-1,3-Benzimidazol-2-yl)ethyl]-1-isopropyl-1H-indole-3-carboxamide1574335-86-6C21H22N4O
- 2-(4-Methylphenyl)-7-[(2-phenylethyl)amino]-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one2108267-98-5C21H22N4O
- 5-Amino-4-(1H-1,3-benzodiazol-2-yl)-1-(4-phenylbutan-2-yl)-2,3-dihydro-1H-pyrrol-3-one885190-02-3C21H22N4O
- [1-(4-Methylphenyl)-5-phenyl-1,2,4-triazol-3-yl]-piperidin-1-ylmethanone115101-88-7C21H22N4O
- 2-Methyl-N-[4-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-yl)phenyl]benzamide397291-14-4C21H22N4O
- N-[(E)-[1-(4-Ethylphenyl)-2,5-dimethylpyrrol-3-yl]methylideneamino]pyridine-3-carboxamide340306-15-2C21H22N4O
- (E)-2-(1H-Benzimidazol-2-yl)-3-[4-(diethylamino)-2-methoxyphenyl]prop-2-enenitrile123248-14-6C21H22N4O
- N-(3,4-Dimethylphenyl)-1-(pyridin-3-yl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide899961-35-4C21H22N4O
- N-Benzyl-1-(quinoxalin-2-yl)piperidine-3-carboxamide941899-06-5C21H22N4O
- 3,4-Dihydroisoquinolin-2(1H)-yl(1-phenyl-5-propyl-1H-1,2,3-triazol-4-yl)methanone950226-35-4C21H22N4O
- 1-(2-(2-Methyl-1H-indol-1-yl)ethyl)-3-(1-methyl-1H-indol-3-yl)urea899947-24-1C21H22N4O
- (2E)-N-Benzyl-2-cyano-3-(4-phenylpiperazin-1-yl)prop-2-enamide885179-38-4C21H22N4O
- (5-Amino-1,4-diphenyl-1H-pyrazol-3-yl)(piperidin-1-yl)methanone1076197-32-4C21H22N4O
- N-((1-(Pyrimidin-2-yl)piperidin-4-yl)methyl)-1-naphthamide1235096-80-6C21H22N4O
- 3-(tert-Butyl)-1-(6-methoxynaphthalen-2-yl)imidazo[1,5-a]pyrazin-8-amine1320266-67-8C21H22N4O
- N-[2-(1-Methyl-1H-1,3-benzimidazol-2-yl)ethyl]-2-(1-methyl-1H-indol-3-yl)acetamide1401561-52-1C21H22N4O
- 1-(3-(6,7-Dihydro-5H-pyrrolo[1,2-a]imidazol-3-yl)phenyl)-3-phenethylurea1421472-46-9C21H22N4O
- N-(1H-1,3-Benzimidazol-2-ylmethyl)-4-(1-methyl-1H-indol-3-yl)butanamide1574308-73-8C21H22N4O
- N-(1H-1,3-Benzimidazol-2-ylmethyl)-2-(1-isopropyl-1H-indol-3-yl)acetamide1574379-52-4C21H22N4O
- N-[2-(1H-1,3-Benzimidazol-2-yl)ethyl]-3-(1-methyl-1H-indol-3-yl)propanamide1574310-27-2C21H22N4O
- N-{[4-(Dimethylamino)pyrimidin-2-yl]methyl}-2,2-diphenylacetamide1797978-33-6C21H22N4O
- N-((2-(Dimethylamino)pyrimidin-4-yl)methyl)-2,2-diphenylacetamide1797722-11-2C21H22N4O
- SIR3 9vix 4556501-68-9C21H22N4O
- Methanone, [3-(4-ethyl-1-piperazinyl)-2-quinoxalinyl]phenyl-185379-75-3C21H22N4O
- 2-(4-Methoxyphenyl)-3-pentylimidazo[4,5-b]quinoxaline4903-64-4C21H22N4O
- 1-(4,6-Dimethylpyrimidin-2-yl)-3-methyl-6-(4-methylphenyl)-1,5,6,7-tetrahydro-4H-indazol-4-one924862-55-5C21H22N4O
- N-[4-[[3-(1-Piperidinyl)-2-pyridinyl]oxy]phenyl]-2-pyridinamine1231920-91-4C21H22N4O
- 7-Methyl-N-(3-methylphenyl)-3-(pyrrolidine-1-carbonyl)-1,8-naphthyridin-4-amine1251623-05-8C21H22N4O
- N-[1-[(Benzofuran-5-yl)methyl]piperidin-3-yl]-1H-indazol-5-amine1035095-29-4C21H22N4O
- N-[2-(1H-Benzimidazol-1-yl)ethyl]-1-(propan-2-yl)-1H-indole-4-carboxamide1435976-41-2C21H22N4O
- 1-(4-(6,7-Dihydro-5H-pyrrolo[1,2-a]imidazol-3-yl)phenyl)-3-phenethylurea1421512-87-9C21H22N4O
- (4-(1H-Imidazol-1-yl)pyridin-2-yl)(4-benzylpiperidin-1-yl)methanone1421508-25-9C21H22N4O
- (4-(1H-Pyrazol-1-yl)pyridin-2-yl)(4-benzylpiperidin-1-yl)methanone1421504-57-5C21H22N4O
- N-[2-(1H-Benzimidazol-2-yl)ethyl]-1-(propan-2-yl)-1H-indole-4-carboxamide1574354-51-0C21H22N4O
- 7-[(4-Ethylbenzyl)amino]-2-phenyl-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one1775479-35-0C21H22N4O
- 7-[(3-Methylbenzyl)amino]-2-(4-methylphenyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one2108711-93-7C21H22N4O
- 3-Methyl-1-phenyl-5-(4-phenylpiperazin-1-yl)pyrazole-4-carbaldehyde850899-98-8C21H22N4O
- 2-Pyrazolin-5-one, 1,3-diphenyl-4-(4-methyl-1-piperazinylmethylene)-24665-76-7C21H22N4O
- 1-Phenyl-3-(phenylamino)-4-(3,4,5,6-tetrahydro-2H-azepin-7-yl)-1H-pyrazol-5-ol325996-67-6C21H22N4O
- N-Phenethyl-1-(pyridin-4-yl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide900003-46-5C21H22N4O
- N-(3,4-Dimethylphenyl)-1-(pyridin-4-yl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide899942-42-8C21H22N4O
- 1-(2-(1H-Indol-1-yl)ethyl)-3-(1-ethyl-1H-indol-3-yl)urea941988-20-1C21H22N4O
- 3-Benzyl-7,8-dimethyl-1-phenyl-2,4-dihydropyrimido[1,2-a][1,3,5]triazin-6-one1144456-94-9C21H22N4O
- (7-Methyl-4-(p-tolylamino)-1,8-naphthyridin-3-yl)(pyrrolidin-1-yl)methanone1251672-42-0C21H22N4O
- (1-Methyl-3-phenyl-1H-pyrazol-5-yl)(4-phenylpiperazin-1-yl)methanone1374531-80-2C21H22N4O
- N-(1-Methyl-1H-benzimidazol-5-yl)-2-[1-(propan-2-yl)-1H-indol-3-yl]acetamide1401577-53-4C21H22N4O
- N-[(1-Methyl-1H-benzimidazol-2-yl)methyl]-1-(propan-2-yl)-1H-indole-4-carboxamide1435908-54-5C21H22N4O
- (4-(1H-Pyrrol-1-yl)pyridin-2-yl)(4-benzylpiperazin-1-yl)methanone1421500-87-9C21H22N4O
- N-((1-(3-Cyanopyridin-2-yl)piperidin-4-yl)methyl)cinnamamide1798410-46-4C21H22N4O
- N-{2-[5-Cyclopropyl-3-(pyridin-2-yl)-1H-pyrazol-1-yl]ethyl}-2-methylbenzamide1797977-02-6C21H22N4O
- 1-(3-(1H-1,2,3-Triazol-1-yl)pyrrolidin-1-yl)-3,3-diphenylpropan-1-one1798466-31-5C21H22N4O
- 1-(3-(4-Phenyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl)-2-(m-tolyl)ethanone2034354-27-1C21H22N4O
- 1-(3-(4-Phenyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl)-3-(o-tolyl)propan-1-one2034446-27-8C21H22N4O
- 4-(3-Cyano-4-pyridinyl)-N-cyclopropyl-N-4-piperidinylbenzamide1578190-87-0C21H22N4O
- (2,4-Dimethylphenyl)(3-(4-phenyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl)methanone2034303-08-5C21H22N4O
- 2-Phenyl-1-[3-(4-phenyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl]butan-1-one2034424-90-1C21H22N4O
- N-Benzyl-2-methyl-N-(pyridin-2-yl)-4,5,6,7-tetrahydro-1H-benzo[d]imidazole-5-carboxamide2034504-71-5C21H22N4O
- N-(2-(3,5-Dimethyl-1-(pyridin-2-yl)-1H-pyrazol-4-yl)ethyl)cinnamamide2035003-58-6C21H22N4O
- 3-({[2,3'-Bipyridine]-4-yl}methyl)-1-(3-phenylpropyl)urea2034542-99-7C21H22N4O
- 1-([2,4'-Bipyridin]-3-ylmethyl)-3-(3-phenylpropyl)urea2034577-92-7C21H22N4O
- 1-((1R,5S)-3-(2H-1,2,3-Triazol-2-yl)-8-azabicyclo[3.2.1]octan-8-yl)-2-(naphthalen-1-yl)ethanone2109232-20-2C21H22N4O
Frequently asked questions
What is the molar mass of C21H22N4O?
The molar mass of C21H22N4O is 346.43 g/mol, calculated from standard atomic weights for 21 carbon atoms, 22 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 346.1794 Da.
How many compounds have the formula C21H22N4O?
CompoundList lists 170 compounds with the molecular formula C21H22N4O, including 4-[2-(9-Methyl-6-indolo[3,2-b]quinoxalinyl)ethyl]morpholine, N-Phenyl-4-(quinolin-2-ylmethyl)piperazine-1-carboxamide, 1-[4-(4-Phenylphthalazin-1-yl)piperazin-1-yl]propan-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 C21H22N4O?
C21H22N4O 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.