Molecular formula
C21H20N2O
125 compounds have this formula on CompoundList.
- Molar mass
- 316.40g/mol
- Monoisotopic mass
- 316.1576Da
- Atoms
- 44
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H20N2O describes a molecule made of 21 carbon atoms, 20 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 × 2179.72%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 206.37%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 28.85%14.007 × 2 = 28.014 g/mol
- O Oxygen × 15.06%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C21H20N2O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 125 compounds
1,1-Dibenzyl-3-phenylurea
CAS 53693-57-5C21H20N2O
N-(4-Methylphenyl)-1,2,3,4-tetrahydro-9-acridinecarboxamide
CAS 74376-51-5C21H20N2O
2-Naphthalenyl-(4-phenyl-1-piperazinyl)methanone
CAS 382176-04-7C21H20N2O
Tomoxiprole
CAS 76145-76-1C21H20N2O
![[2-(2-Methylphenyl)quinolin-4-yl]-pyrrolidin-1-ylmethanone chemical structure, C21H20N2O, CAS 400016-70-8](/s/NIFVYPOTSLHTGI-UHFFFAOYSA-N.svg)
[2-(2-Methylphenyl)quinolin-4-yl]-pyrrolidin-1-ylmethanone
CAS 400016-70-8C21H20N2O
N',N'-Dibenzylbenzohydrazide
CAS 6304-45-6C21H20N2O
![Spiro[5H-isoquinolino[1,2-b]quinazoline-6,1'-cyclohexane]-8-one chemical structure, C21H20N2O, CAS 420813-76-9](/s/QOMLWUGYYCHMTJ-UHFFFAOYSA-N.svg)
Spiro[5H-isoquinolino[1,2-b]quinazoline-6,1'-cyclohexane]-8-one
CAS 420813-76-9C21H20N2O
N-Cyclopentyl-2-phenylquinoline-4-carboxamide
CAS 332116-93-5C21H20N2O
3,3-Diphenyl-N-(pyridin-3-ylmethyl)propanamide
CAS 313703-38-7C21H20N2O
N-(3-Methylphenyl)-1,2,3,4-tetrahydro-9-acridinecarboxamide
CAS 74376-53-7C21H20N2O
2-Benzylamino-N-biphenyl-2-yl-acetamide
CAS 333341-34-7C21H20N2O
N-Benzyl-2-(4-methylphenyl)-N-(pyridin-2-yl)acetamide
CAS 599162-14-8C21H20N2O
![N-{4-[([1,1'-Biphenyl]-4-ylmethyl)amino]phenyl}acetamide chemical structure, C21H20N2O, CAS 714206-01-6](/s/WMOPMRPFUOXCDU-UHFFFAOYSA-N.svg)
N-{4-[([1,1'-Biphenyl]-4-ylmethyl)amino]phenyl}acetamide
CAS 714206-01-6C21H20N2O
N-(4-Anilinophenyl)-3,4-dimethylbenzamide
CAS 545429-61-6C21H20N2O
N-(2-Methylphenyl)-1,2,3,4-tetrahydro-9-acridinecarboxamide
CAS 74376-52-6C21H20N2O
N-(3,3-Diphenylpropyl)pyridine-3-carboxamide
CAS 303064-42-8C21H20N2O
(3-Methyl-2-phenylquinolin-4-yl)-pyrrolidin-1-ylmethanone
CAS 303134-80-7C21H20N2O
N-(2-Pyrrolidin-1-ylphenyl)naphthalene-2-carboxamide
CAS 532953-69-8C21H20N2O
4-(1,3-Diphenylimidazolidin-2-yl)phenol
CAS 58343-00-3C21H20N2O
3-Methyl-6-(2-methylphenyl)-1-phenyl-1,5,6,7-tetrahydro-4H-indazol-4-one
CAS 878994-53-7C21H20N2O
1-Carbazol-9-yl-3-phenylamino-propan-2-ol
CAS 300805-47-4C21H20N2O
![4-[(E)-(Dibenzylhydrazinylidene)methyl]phenol chemical structure, C21H20N2O, CAS 237403-58-6](/s/MVSJKTQQXQNEHK-PXLXIMEGSA-N.svg)
4-[(E)-(Dibenzylhydrazinylidene)methyl]phenol
CAS 237403-58-6C21H20N2O
N-(3,3-Diphenylpropyl)pyridine-4-carboxamide
CAS 102318-13-8C21H20N2O
![4-[2-(2-Pyrrolidin-1-yl-ethyl)-benzofuran-5-yl]-benzonitrile chemical structure, C21H20N2O, CAS 460746-50-3](/s/NAQIDFISILZVAV-UHFFFAOYSA-N.svg)
4-[2-(2-Pyrrolidin-1-yl-ethyl)-benzofuran-5-yl]-benzonitrile
CAS 460746-50-3C21H20N2O
- 1-(2-Naphthalenylmethyl)-1H-benzimidazole-2-propanol305347-69-7C21H20N2O
- 3-Phenyl-N-(4-(pyridin-4-ylmethyl)phenyl)propanamide328281-55-6C21H20N2O
- [4-(2-Amino-phenylamino)-2-methyl-phenyl]-o-tolyl-methanone321378-10-3C21H20N2O
- 3-Methyl-2-{4-[(propan-2-yl)oxy]phenyl}-3H-naphtho[1,2-d]imidazole76145-59-0C21H20N2O
- N-(6-Methylpyridin-2-yl)-3,3-diphenylpropanamide348607-52-3C21H20N2O
- 3-(1-Benzyl-1,2,3,6-tetrahydropyridin-4-yl)quinolin-2(1H)-one783368-14-9C21H20N2O
- Naphthalen-1-yl-(1-propylbenzimidazol-2-yl)methanol312532-02-8C21H20N2O
- 1 suppliers9-(4-(tert-Butyl)pyridin-2-yl)-9H-carbazol-2-ol1636130-34-1C21H20N2O
- Naphthalen-1-yl(4-phenylpiperazin-1-yl)methanone339235-61-9C21H20N2O
- [2-(3-Methylphenyl)quinolin-4-yl](pyrrolidin-1-yl)methanone5693-91-4C21H20N2O
- 3-[1-(Naphthalen-1-ylmethyl)benzimidazol-2-yl]propan-1-ol385402-87-9C21H20N2O
- (2-Phenylquinolin-4-yl)(piperidin-1-yl)methanone88067-75-8C21H20N2O
- 2-(4-Methoxyphenyl)-3-propyl-3H-naphtho[1,2-D]imidazole88842-26-6C21H20N2O
- N'-(4-Methylphenyl)-N-phenyl-N-(phenylmethyl)urea35113-69-0C21H20N2O
- 3,3-Diphenyl-N-(pyridin-2-ylmethyl)propanamide348611-47-2C21H20N2O
- 2-(Naphthalen-2-yloxymethyl)-1-propan-2-ylbenzimidazole385403-19-0C21H20N2O
- 2-(Furan-2-yl)-1-[(4-propan-2-ylphenyl)methyl]benzimidazole637754-40-6C21H20N2O
- N-(4-Methylpyridin-2-yl)-3,3-diphenylpropanamide333431-73-5C21H20N2O
- 4-[4-(Dimethylamino)phenyl]-3,4-dihydrobenzo[h]quinolin-2(1H)-one64257-30-3C21H20N2O
- 11-Methyl-3-(3-methylphenyl)-2,3,4,5-tetrahydro-1H-dibenzo[b,e][1,4]diazepin-1-one879614-51-4C21H20N2O
- 2-(Dibenzyl-hydrazonomethyl)-phenol300816-40-4C21H20N2O
- 4-(1-Methyl-1-phenylethyl)-2-(2-phenyldiazenyl)phenol61827-72-3C21H20N2O
- N-[4-(Dimethylamino)phenyl]biphenyl-4-carboxamide304672-38-6C21H20N2O
- N-Cyclopropyl-2-(4-ethylphenyl)quinoline-4-carboxamide303135-31-1C21H20N2O
- Benzamide, 2-((2,3-dimethylphenyl)amino)-N-phenyl-21122-53-2C21H20N2O
- N-Cyclopropyl-2-(2,4-dimethylphenyl)quinoline-4-carboxamide545365-68-2C21H20N2O
- 2-(Naphthalen-1-yloxymethyl)-1-propylbenzimidazole381190-43-8C21H20N2O
- N-Benzyl-N-[(E)-(4-methoxyphenyl)methylideneamino]aniline5476-56-2C21H20N2O
- 1,2-Diphenyl-2-(4,5,6,7-tetrahydro-1H-indazol-1-yl)ethan-1-one63570-14-9C21H20N2O
- N-Methyl-4-phenyl-N-(2-pyridin-2-ylethyl)benzamide524058-08-0C21H20N2O
- 7-Methyl-3-(4-phenylphenyl)-1,4,6,7,8-pentahydrocinnolin-5-one1024403-17-5C21H20N2O
- 2(1H)-Isoquinolineacetamide, 3,4-dihydro-N-2-naphthalenyl-89474-25-9C21H20N2O
- N-(9H-Fluoren-2-yl)-4-(1H-pyrrol-1-yl)butanamide1251564-07-4C21H20N2O
- 2-(1,3-Diphenylimidazolidin-2-yl)phenol95003-24-0C21H20N2O
- 3-(4-Ethylphenyl)-1,1-diphenylurea838881-40-6C21H20N2O
- 3-(3,5-Dimethylphenyl)-1,1-diphenylurea838886-55-8C21H20N2O
- N-(5-Methyl-2-pyridinyl)-3,3-diphenylpropanamide349124-38-5C21H20N2O
- 3-Methyl-6-(3-methylphenyl)-1-phenyl-6,7-dihydro-5H-indazol-4-one878994-51-5C21H20N2O
- 2-(1H-Indol-3-yl)-1-(4-phenyl-3,6-dihydro-2H-pyridin-1-yl)ethanone143682-24-0C21H20N2O
- 2-(3-Carbamoyl-3,3-diphenylpropyl)pyridine136703-98-5C21H20N2O
- N-(Triphenylmethyl)ethanehydrazonic acid90141-58-5C21H20N2O
- Acetamide, N-[2-[[2-(phenylamino)phenyl]methyl]phenyl]-52812-75-6C21H20N2O
- 2,4-Dimethyl-N-[4-(pyridin-4-ylmethyl)phenyl]benzamide672914-53-3C21H20N2O
- 2-(3,4-Dihydro-1H-isoquinolin-2-yl)-N-naphthalen-1-ylacetamide850149-51-8C21H20N2O
- 2H-Pyrido(3,2-b)-1,4-oxazine, 3,4-dihydro-2-phenyl-4-(2-phenylethyl)-88799-79-5C21H20N2O
- 2H-Pyrido(3,2-b)-1,4-oxazine, 3,4-dihydro-2-phenyl-4-(1-phenylethyl)-88799-80-8C21H20N2O
- 1-Phenyl-N-(quinolin-8-yl)cyclopentanecarboxamide908520-36-5C21H20N2O
- 4-Ethyl-N-[4-(pyridin-4-ylmethyl)phenyl]benzamide902803-57-0C21H20N2O
- 11H-Indeno(1,2-b)quinolin-11-one, 10,10a-dihydro-10-(1-piperidinyl)-88389-54-2C21H20N2O
- N-[(5-Cyclopropylpyridin-3-yl)methyl]-2-(naphthalen-1-yl)acetamide2034393-11-6C21H20N2O
- N-((6-Cyclopropylpyridin-3-yl)methyl)-2-(naphthalen-1-yl)acetamide2309590-49-4C21H20N2O
- N-[2-(10-Methyl-11H-benzo[a]carbazol-9-yl)ethyl]acetamide5523-64-8C21H20N2O
- N-(4-Anilinophenyl)-2-(4-methylphenyl)acetamide694444-95-6C21H20N2O
- N-(4-Anilinophenyl)-2,4-dimethylbenzamide701220-16-8C21H20N2O
- N-(1,2-Dihydroacenaphthylen-5-yl)-4-(dimethylamino)benzamide392249-54-6C21H20N2O
- 1-[2-(1-Methylcyclopropyl)phenyl]-3-naphthalen-1-ylurea697239-16-0C21H20N2O
- 3,3-Diphenyl-N-(pyridin-4-ylmethyl)propanamide349135-01-9C21H20N2O
- N-Ethyl-N,N',N'-triphenylurea20632-46-6C21H20N2O
- N-(2',5'-Dimethyl[1,1'-biphenyl]-4-yl)-3-methylpyridine-4-carboxamide835904-55-7C21H20N2O
- (2E)-2-[(E,4E)-2-Methyl-4-[methyl(phenyl)hydrazinylidene]but-2-enylidene]-3H-inden-1-one59624-62-3C21H20N2O
- 2-Benzoyl-1-butyl-1,2-dihydro-1-isoquinolinecarbonitrile16576-34-4C21H20N2O
- 1-Phenyl-N-(quinolin-5-yl)cyclopentanecarboxamide908520-32-1C21H20N2O
- 1-Benzhydryl-3-benzylurea15427-71-1C21H20N2O
- 3,5-Dimethyl-N-[4-(pyridin-4-ylmethyl)phenyl]benzamide708222-99-5C21H20N2O
- Bis(1,2-dimethyl-1H-indol-3-yl)methanone65610-59-5C21H20N2O
- 1(2H)-Quinolineacetamide, 3,4-dihydro-N-2-naphthalenyl-89474-20-4C21H20N2O
- Agn-PC-0nig3E61074-88-2C21H20N2O
- Diazene, [3-methyl-4-[(4-methylphenyl)methoxy]phenyl]phenyl-61706-19-2C21H20N2O
- Diazene, (2-methylphenyl)[4-[(4-methylphenyl)methoxy]phenyl]-61747-13-5C21H20N2O
- Diazene, (4-methylphenyl)[4-[(4-methylphenyl)methoxy]phenyl]-61706-20-5C21H20N2O
- N-[1,1'-Biphenyl]-3-yl-N~2~-methyl-N~2~-phenylglycinamide89474-53-3C21H20N2O
- (1-Phenylisoquinolin-3-yl)(piperidin-1-yl)methanone89242-10-4C21H20N2O
- 3-{[1,1'-Biphenyl]-3-yl}-N-(1-cyanocyclobutyl)-N-methylprop-2-enamide1356783-31-7C21H20N2O
- 4,4,6-Trimethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one918646-29-4C21H20N2O
- 4-(1-Benzhydryl-azetidin-3-yloxy)-pyridine935534-11-5C21H20N2O
- 1-Benzyl-2-benzylidene-1-(4-methoxyphenyl)hydrazine28772-59-0C21H20N2O
Frequently asked questions
What is the molar mass of C21H20N2O?
The molar mass of C21H20N2O is 316.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 316.1576 Da.
How many compounds have the formula C21H20N2O?
CompoundList lists 125 compounds with the molecular formula C21H20N2O, including 1,1-Dibenzyl-3-phenylurea, N-(4-Methylphenyl)-1,2,3,4-tetrahydro-9-acridinecarboxamide, 2-Naphthalenyl-(4-phenyl-1-piperazinyl)methanone. 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 C21H20N2O?
C21H20N2O 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.