Molecular formula
C21H22N2O
146 compounds have this formula on CompoundList.
- Molar mass
- 318.42g/mol
- Monoisotopic mass
- 318.1732Da
- Atoms
- 46
- Elements
- 4
- Rings plus double bonds
- 12
The formula C21H22N2O describes a molecule made of 21 carbon atoms, 22 hydrogen atoms, 2 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 × 2179.21%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 226.96%1.008 × 22 = 22.176 g/mol
- N Nitrogen × 28.80%14.007 × 2 = 28.014 g/mol
- O Oxygen × 15.02%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C21H22N2O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 146 compounds
![2'-Phenyl-1',10b'-dihydrospiro[cyclohexane-1,5'-pyrazolo[1,5-c][1,3]benzoxazine] chemical structure, C21H22N2O, CAS 140473-08-1](/s/KEGFGPIAIGHPHO-UHFFFAOYSA-N.svg)
2'-Phenyl-1',10b'-dihydrospiro[cyclohexane-1,5'-pyrazolo[1,5-c][1,3]benzoxazine]
CAS 140473-08-1C21H22N2O
![1-[(4-Phenyl-1-piperazinyl)methyl]-2-naphthalenol chemical structure, C21H22N2O, CAS 311332-64-6](/s/BBVMRYLCSDWAKO-UHFFFAOYSA-N.svg)
1-[(4-Phenyl-1-piperazinyl)methyl]-2-naphthalenol
CAS 311332-64-6C21H22N2O
![3,3-Dimethyl-11-phenyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one chemical structure, C21H22N2O, CAS 37587-36-3](/s/INEXZJWRARALIA-UHFFFAOYSA-N.svg)
3,3-Dimethyl-11-phenyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one
CAS 37587-36-3C21H22N2O
6-Methyl-2-phenyl-3-(pyrrolidinylmethyl)quinolin-4-ol
CAS 431986-63-9C21H22N2O
(1-Benzyl-1H-indol-3-yl)(piperidino)methanone
CAS 860611-47-8C21H22N2O
![4-[[4-(Diethylamino)-2-methylphenyl]imino]-1(4H)-naphthalenone chemical structure, C21H22N2O, CAS 2363-97-5](/s/BJKWNGBNEAYVDW-UHFFFAOYSA-N.svg)
4-[[4-(Diethylamino)-2-methylphenyl]imino]-1(4H)-naphthalenone
CAS 2363-97-5C21H22N2O
1,3-Dibenzyl-2-(furan-2-yl)imidazolidine
CAS 116368-63-9C21H22N2O
2-(2,6-Dimethylmorpholino)-3-phenylquinoline
CAS 339102-84-0C21H22N2O
2-(4-Methoxyphenyl)-4-(1-piperidinyl)quinoline
CAS 853331-11-0C21H22N2O
1-Butyl-3-(1-naphthyl)-1-phenylurea
CAS 102660-48-0C21H22N2O
2-(4-Ethylphenyl)-4-(4-morpholinyl)quinoline
CAS 853328-30-0C21H22N2O
N-Cyclopentyl-2-(4-methoxyphenyl)-4-quinolinamine
CAS 853333-48-9C21H22N2O
N-Methyl-N-(2-propynyl)-2-(5-benzyloxy-1-methylindolyl)methylamine
CAS 130081-93-5C21H22N2O
2-Methyl-N'-(1-methyl-3-phenyl-2-propenylidene)-2-phenylcyclopropanecarbohydrazide
CAS 352520-08-2C21H22N2O
4-(2,5-Dimethyl-1H-pyrrol-1-yl)-N-(2-ethylphenyl)benzamide
CAS 489465-45-4C21H22N2O
5-Benzyloxy-3-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)-1H-indole
CAS 57477-28-8C21H22N2O
6-Phenyl-5,6,6a,7,8,9,10,10a-octahydro-7,10-methanophenanthridine-2-carboxamide
CAS 1005095-06-6C21H22N2O
3-(1-Benzyl-1,2,3,6-tetrahydropyridin-4-yl)-5-methoxy-1H-indole
CAS 52157-81-0C21H22N2O
N-(3,4-Dimethylphenyl)-3-phenyl-2-(1H-pyrrol-1-yl)propanamide
CAS 887029-21-2C21H22N2O
6-Methyl-4-phenyl-3-(piperidin-1-yl)quinolin-2(1H)-one
CAS 312527-92-7C21H22N2O
1-Acridinol, 1,2,3,4-tetrahydro-9-(((4-methylphenyl)methyl)amino)-
CAS 104628-25-3C21H22N2O
1-Acridinol, 1,2,3,4-tetrahydro-9-(((2-methylphenyl)methyl)amino)-
CAS 104628-23-1C21H22N2O
1-Acridinol, 1,2,3,4-tetrahydro-9-(((3-methylphenyl)methyl)amino)-
CAS 104628-24-2C21H22N2O
![N-Cyclohexylbenzo[b][1]benzazepine-11-carboxamide chemical structure, C21H22N2O, CAS 381184-44-7](/s/DFUGSIMXDLGFTF-UHFFFAOYSA-N.svg)
N-Cyclohexylbenzo[b][1]benzazepine-11-carboxamide
CAS 381184-44-7C21H22N2O
- (4-Benzylpiperidin-1-yl)(1H-indol-2-yl)methanone919735-30-1C21H22N2O
- 7-(Benzylamino)-6-ethyl-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-5-one110229-54-4C21H22N2O
- N-(2-Phenylethyl)-2,3,4,9-tetrahydro-1H-carbazole-8-carboxamide946204-65-5C21H22N2O
- 2-(4-Benzylpiperidin-1-yl)quinolin-8-ol941868-41-3C21H22N2O
- 3-{1-[(4-Methoxyphenyl)methyl]-1,2,3,6-tetrahydropyridin-4-yl}-1H-indole1352550-72-1C21H22N2O
- N-(4-(Dimethylamino)phenethyl)-1-naphthamide953167-75-4C21H22N2O
- N-(2-(Dimethylamino)-2-phenylethyl)-2-naphthamide941940-10-9C21H22N2O
- N,N-Diethyl-2-(4-methylphenyl)quinoline-4-carboxamide92566-50-2C21H22N2O
- Methanone, [4,5-bis(dimethylamino)-1-naphthalenyl]phenyl-135236-04-3C21H22N2O
- 2-Cycloheptyl-1-phenylquinazolin-4(1H)-one71608-84-9C21H22N2O
- 2-[1-(Cyclopropylmethyl)-5-(3-methylphenyl)-1H-indol-3-yl]acetamide910546-68-8C21H22N2O
- 4-tert-Butyl-N-(2-methylquinolin-8-yl)benzamide353774-43-3C21H22N2O
- N-(3-Methylbutyl)-2-phenylquinoline-4-carboxamide349086-10-8C21H22N2O
- Ethanone, 1-(2-phenyl-1H-indol-3-yl)-2-(1-piperidinyl)-62367-98-0C21H22N2O
- 4-Piperidinone, 1-benzyl-3-(1H-indol-3-ylmethyl)-52336-92-2C21H22N2O
- Piperidine, 1-((2-phenyl-1H-indol-1-yl)acetyl)-163629-11-6C21H22N2O
- N-(3,5-Dimethylphenyl)-2-ethyl-3-methylquinoline-4-carboxamide332358-70-0C21H22N2O
- N-(2,3-Dimethylphenyl)-2-ethyl-3-methylquinoline-4-carboxamide332358-67-5C21H22N2O
- N-[4-(Diethylamino)phenyl]naphthalene-2-carboxamide887711-60-6C21H22N2O
- 2-Phenyl-N-[(2,3,4,9-tetrahydro-1H-carbazol-6-yl)methyl]acetamide852138-50-2C21H22N2O
- (2E)-2-Cyano-N-(2,6-dimethylphenyl)-3-[4-(propan-2-yl)phenyl]prop-2-enamide363162-98-5C21H22N2O
- 1-[2-(5-Methyl-2-propan-2-ylphenoxy)ethyl]indole-3-carbonitrile347322-94-5C21H22N2O
- N-(Pentan-2-yl)-2-phenylquinoline-4-carboxamide349084-95-3C21H22N2O
- 4-[4-(1-Azabicyclo[2.2.2]oct-3-yloxy)phenyl]-1H-indole855291-04-2C21H22N2O
- (S)-2-((6R,8R)-7,7-Dimethyl-5,6,7,8-tetrahydro-6,8-methanoquinolin-2-yl)-4-phenyl-4,5-dihydrooxazole1027754-31-9C21H22N2O
- N-(Pentan-3-yl)-2-phenylquinoline-4-carboxamide349440-96-6C21H22N2O
- 4-Morpholin-4-yl-N-(naphthalen-1-ylmethyl)aniline878713-80-5C21H22N2O
- Acetonitrile, cis-96617-23-1C21H22N2O
- 5H-Dibenzo(a,d)cyclohepten-5-one, methyl-10-(4-methyl-1-piperazinyl)-56958-55-5C21H22N2O
- 3-[(2,2-Dimethyl-4,4-diphenyloxetan-3-ylidene)amino]-2-methylpropanenitrile55044-22-9C21H22N2O
- 3-[(3,3-Dimethyl-4,4-diphenyloxetan-2-ylidene)amino]-2-methylpropanenitrile55044-24-1C21H22N2O
- 2-(3,4-Dihydroisoquinolin-2(1H)-yl)-1-(2,3-dimethyl-1H-indol-1-yl)ethanone522659-63-8C21H22N2O
- N-(3,4-Dimethylphenyl)-2-ethyl-3-methylquinoline-4-carboxamide332358-68-6C21H22N2O
- N-(2,6-Dimethylphenyl)-3-(2,5-dimethylpyrrol-1-yl)benzamide669740-63-0C21H22N2O
- [4-(4-Methyl-benzyloxy)-benzyl]-pyridin-3-ylmethyl-amine879068-83-4C21H22N2O
- 1-{2-[(4-Methylbenzyl)oxy]phenyl}-N-(pyridin-3-ylmethyl)methanamine879068-78-7C21H22N2O
- (4-Benzylpiperidin-1-yl)(1H-indol-5-yl)methanone251106-46-4C21H22N2O
- (R)-2-((6R,8R)-7,7-Dimethyl-5,6,7,8-tetrahydro-6,8-methanoquinolin-2-yl)-4-phenyl-4,5-dihydrooxazole1027754-32-0C21H22N2O
- Acetamidine, N-(p-isopropoxyphenyl)-N'-2-naphthyl-84308-89-4C21H22N2O
- Oxazole, 2-(cyclohexylamino)-4,5-diphenyl-20503-69-9C21H22N2O
- N,N-Dibenzyl-2-(pyridin-2-yloxy)ethan-1-amine6274-72-2C21H22N2O
- N-[2-(2,5-Dimethyl-1H-pyrrol-1-yl)benzyl]-4-methylbenzenecarboxamide866144-09-4C21H22N2O
- (2E)-N-[2-(5-Methyl-1H-indol-3-yl)ethyl]-3-(2-methylphenyl)prop-2-enamide775289-80-0C21H22N2O
- 3-(2,5-Dimethylpyrrol-1-yl)-N-(1-phenylethyl)benzamide321966-61-4C21H22N2O
- 3-Methyl-11-(4-methylphenyl)-3,4,10,11-tetrahydro-2H-dibenzo[b,e][1,4]diazepin-1-ol774560-90-6C21H22N2O
- 2,3-Dimethyl-6-phenyl-5,6,8,9,10,11-hexahydrobenzo[b][1,4]benzodiazepin-7-one338748-13-3C21H22N2O
- 4-Methyl-N-[(2,3,4,9-tetrahydro-1H-carbazol-6-yl)methyl]benzamide852138-12-6C21H22N2O
- 4-Propyl-N-[(2-pyrrol-1-ylphenyl)methyl]benzamide866042-35-5C21H22N2O
- [3-(4-Methyl-benzyloxy)-benzyl]-pyridin-3-ylmethyl-amine879068-99-2C21H22N2O
- 4-(Benzylamino)-6-methyl-1-(2-phenylethyl)pyridin-2(1H)-one195005-29-9C21H22N2O
- (1-Methyl-1H-indol-6-yl)(4-phenylpiperidin-1-yl)methanone1282141-66-5C21H22N2O
- (1-Methyl-1H-indol-5-yl)(4-phenylpiperidin-1-yl)methanone1282126-42-4C21H22N2O
- N-(4-(3,4-Dihydroisoquinolin-2(1H)-yl)but-2-yn-1-yl)-2-methylbenzamide1351634-33-7C21H22N2O
- N-[4-(Pyrrolidin-1-yl)but-2-yn-1-yl]-[1,1'-biphenyl]-4-carboxamide1396684-90-4C21H22N2O
- N-(4-(Benzyl(methyl)amino)but-2-yn-1-yl)cinnamamide1396890-51-9C21H22N2O
- (3aR,8aS)-2-(6-Cyclohexylpyridin-2-yl)-8,8a-dihydro-3aH-indeno[1,2-d]oxazole2417767-40-7C21H22N2O
- 2-[(2,2-Dimethyl-4,4-diphenyloxetan-3-ylidene)amino]-2-methylpropanenitrile55044-21-8C21H22N2O
- 2-[(3,3-Dimethyl-4,4-diphenyloxetan-2-ylidene)amino]-2-methylpropanenitrile55044-23-0C21H22N2O
- 4-[4-(2-Methyl-5-phenylpyrrol-1-yl)phenyl]morpholine428833-97-0C21H22N2O
- N-(2-Methylbutan-2-yl)-2-phenylquinoline-4-carboxamide701240-63-3C21H22N2O
- 1-Cyclohexyloxy-4-(4-methylphenyl)phthalazine694474-51-6C21H22N2O
- 3-Methyl-N-[(2,3,4,9-tetrahydro-1H-carbazol-6-yl)methyl]benzamide852138-11-5C21H22N2O
- 1-(4-Ethylphenyl)-6-methoxy-4-methyl-2,3-dihydro-1H-pyrrolo[3,2-c]quinoline860789-56-6C21H22N2O
- 1-(2,4-Dimethylphenyl)-6-methoxy-4-methyl-2,3-dihydro-1H-pyrrolo[3,2-c]quinoline860789-58-8C21H22N2O
- 3-(2,4-Dimethylphenyl)-N-[2-(1H-indol-3-yl)ethyl]acrylamide329778-41-8C21H22N2O
- 2-(2,5-Dimethylbenzyl)-6-(4-ethylphenyl)pyridazin-3(2H)-one923098-50-4C21H22N2O
- N-(Butan-2-yl)-N-methyl-1-phenylisoquinoline-3-carboxamide89242-13-7C21H22N2O
- N,N-Diethyl-1-(4-methylphenyl)isoquinoline-3-carboxamide89257-76-1C21H22N2O
- 8-((2-Methylbenzyl)oxy)-2-(pyrrolidin-1-yl)quinoline921575-44-2C21H22N2O
- 8-((3-Methylbenzyl)oxy)-2-(pyrrolidin-1-yl)quinoline921806-75-9C21H22N2O
- N-(2-(Dimethylamino)-2-phenylethyl)-1-naphthamide941895-90-5C21H22N2O
- 4-{4-[(Naphthalen-2-yl)methyl]piperazin-1-yl}phenol61187-11-9C21H22N2O
- 3,5-Diphenyl-1-(prop-2-en-1-yl)-4-propoxy-1H-pyrazole61547-03-3C21H22N2O
- 2-Pyridineethanamine, N-[[4-(phenylmethoxy)phenyl]methyl]-521310-69-0C21H22N2O
- (1-Methyl-1H-indol-2-yl)(4-phenylpiperidin-1-yl)methanone1282118-61-9C21H22N2O
- (1-Methyl-1H-indol-4-yl)(4-phenylpiperidin-1-yl)methanone1282141-87-0C21H22N2O
Frequently asked questions
What is the molar mass of C21H22N2O?
The molar mass of C21H22N2O is 318.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 22 hydrogen atoms, 2 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 318.1732 Da.
How many compounds have the formula C21H22N2O?
CompoundList lists 146 compounds with the molecular formula C21H22N2O, including 2'-Phenyl-1',10b'-dihydrospiro[cyclohexane-1,5'-pyrazolo[1,5-c][1,3]benzoxazine], 1-[(4-Phenyl-1-piperazinyl)methyl]-2-naphthalenol, 3,3-Dimethyl-11-phenyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-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 C21H22N2O?
C21H22N2O has a degree of unsaturation of 12. 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.