Molecular formula
C20H21N5O
166 compounds have this formula on CompoundList.
- Molar mass
- 347.42g/mol
- Monoisotopic mass
- 347.1746Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 13
The formula C20H21N5O describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 5 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 × 2069.14%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 216.09%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 520.16%14.007 × 5 = 70.035 g/mol
- O Oxygen × 14.61%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C20H21N5O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 166 of 166 compounds
![N-(2-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)ethyl)-1-isopropyl-1H-indole-4-carboxamide chemical structure, C20H21N5O, CAS 1435906-85-6](/s/GNAKGPADOCLADZ-UHFFFAOYSA-N.svg)
N-(2-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)ethyl)-1-isopropyl-1H-indole-4-carboxamide
CAS 1435906-85-6C20H21N5O
![3-(1-Methyl-1H-indol-3-yl)-N-[2-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethyl]propanamide chemical structure, C20H21N5O, CAS 1401567-11-0](/s/UPEBVIZBHLIWPW-UHFFFAOYSA-N.svg)
3-(1-Methyl-1H-indol-3-yl)-N-[2-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethyl]propanamide
CAS 1401567-11-0C20H21N5O
N-(3,4-Dimethylphenyl)-3-(4-phenyl-1H-1,2,3-triazol-1-yl)azetidine-1-carboxamide
CAS 2034441-87-5C20H21N5O
![rel-(1R,2S)-2-[3-Amino-4-(phenylmethoxy)-1H-pyrazolo[4,3-c]pyridin-1-yl]cyclohexanecarbonitrile chemical structure, C20H21N5O, CAS 1629037-79-1](/s/IAOPEWYWBBQEHA-HOTGVXAUSA-N.svg)
rel-(1R,2S)-2-[3-Amino-4-(phenylmethoxy)-1H-pyrazolo[4,3-c]pyridin-1-yl]cyclohexanecarbonitrile
CAS 1629037-79-1C20H21N5O
![1-(1-(Pyrazolo[1,5-a]pyridin-3-ylmethyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C20H21N5O, CAS 2093794-84-2](/s/UDHFUTHOKUHNMS-UHFFFAOYSA-N.svg)
1-(1-(Pyrazolo[1,5-a]pyridin-3-ylmethyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 2093794-84-2C20H21N5O
![1-(1-(Imidazo[1,2-a]pyridin-5-ylmethyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C20H21N5O, CAS 2093806-21-2](/s/AKBMEEYKYBWYPM-UHFFFAOYSA-N.svg)
1-(1-(Imidazo[1,2-a]pyridin-5-ylmethyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 2093806-21-2C20H21N5O
![2-{3-[(3-Cyclopropyl-6-oxo-1,6-dihydropyridazin-1-yl)methyl]azetidin-1-yl}-5H,6H,7H-cyclopenta[b]pyridine-3-carbonitrile chemical structure, C20H21N5O, CAS 2175978-75-1](/s/RSKCNSBKGWELJH-UHFFFAOYSA-N.svg)
2-{3-[(3-Cyclopropyl-6-oxo-1,6-dihydropyridazin-1-yl)methyl]azetidin-1-yl}-5H,6H,7H-cyclopenta[b]pyridine-3-carbonitrile
CAS 2175978-75-1C20H21N5O
![2-[3-({3-Oxo-2H,3H,5H,6H,7H-cyclopenta[c]pyridazin-2-yl}methyl)azetidin-1-yl]-5H,6H,7H-cyclopenta[b]pyridine-3-carbonitrile chemical structure, C20H21N5O, CAS 2195939-32-1](/s/MMBZDJNIFLRRTE-UHFFFAOYSA-N.svg)
2-[3-({3-Oxo-2H,3H,5H,6H,7H-cyclopenta[c]pyridazin-2-yl}methyl)azetidin-1-yl]-5H,6H,7H-cyclopenta[b]pyridine-3-carbonitrile
CAS 2195939-32-1C20H21N5O
![2-Hydroxy-3-[5-[(4-methyl-1-piperazinyl)methyl]-2-pyridinyl]-1H-indole-5-carbonitrile chemical structure, C20H21N5O, CAS 612487-75-9](/s/QFHQEAKWJBWCKF-UHFFFAOYSA-N.svg)
2-Hydroxy-3-[5-[(4-methyl-1-piperazinyl)methyl]-2-pyridinyl]-1H-indole-5-carbonitrile
CAS 612487-75-9C20H21N5O
![1-Benzyl-6-(5-ethyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1,6-diazaspiro[3.3]heptan-2-one chemical structure, C20H21N5O, CAS 2249597-15-5](/s/MCAGLNSTEJKJLR-UHFFFAOYSA-N.svg)
1-Benzyl-6-(5-ethyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1,6-diazaspiro[3.3]heptan-2-one
CAS 2249597-15-5C20H21N5O
![1-Methyl-3-[5-(pyridin-2-yl)-octahydropyrrolo[2,3-c]pyrrole-1-carbonyl]-1H-indazole chemical structure, C20H21N5O, CAS 2549054-11-5](/s/UTKXNPBRSKXJEW-UHFFFAOYSA-N.svg)
1-Methyl-3-[5-(pyridin-2-yl)-octahydropyrrolo[2,3-c]pyrrole-1-carbonyl]-1H-indazole
CAS 2549054-11-5C20H21N5O
![1-{2-Cyclopropylimidazo[1,2-b]pyridazine-6-carbonyl}-4-phenylpiperazine chemical structure, C20H21N5O, CAS 2548994-15-4](/s/XBAHRMTUXOLIEL-UHFFFAOYSA-N.svg)
1-{2-Cyclopropylimidazo[1,2-b]pyridazine-6-carbonyl}-4-phenylpiperazine
CAS 2548994-15-4C20H21N5O
![2-(4-{[(4-Cyanopyridin-2-yl)oxy]methyl}piperidin-1-yl)-4,6-dimethylpyridine-3-carbonitrile chemical structure, C20H21N5O, CAS 2549029-62-9](/s/KLPDEMVTBLYYED-UHFFFAOYSA-N.svg)
2-(4-{[(4-Cyanopyridin-2-yl)oxy]methyl}piperidin-1-yl)-4,6-dimethylpyridine-3-carbonitrile
CAS 2549029-62-9C20H21N5O
![6-Cyclopropyl-2-[4-(quinolin-4-yl)piperazin-1-yl]-3,4-dihydropyrimidin-4-one chemical structure, C20H21N5O, CAS 2640903-70-2](/s/CKJTYPGPMNZFNK-UHFFFAOYSA-N.svg)
6-Cyclopropyl-2-[4-(quinolin-4-yl)piperazin-1-yl]-3,4-dihydropyrimidin-4-one
CAS 2640903-70-2C20H21N5O
5-(4-Benzhydrylpiperazin-1-yl)-1,2,4-triazin-3(4H)-one
CAS 879638-00-3C20H21N5O
(6-(1H-Pyrazol-1-yl)pyridin-3-yl)(4-(o-tolyl)piperazin-1-yl)methanone
CAS 1251575-41-3C20H21N5O
(4-((2-Phenyl-1H-imidazol-1-yl)methyl)piperidin-1-yl)(pyrazin-2-yl)methanone
CAS 1351609-52-3C20H21N5O
![3-(1-Methyl-1H-indol-5-yl)-N-(tetrahydro-2H-pyran-4-yl)imidazo[1,2-b]pyridazin-6-amine chemical structure, C20H21N5O, CAS 1012345-12-8](/s/NRODDGKCQJNZGR-UHFFFAOYSA-N.svg)
3-(1-Methyl-1H-indol-5-yl)-N-(tetrahydro-2H-pyran-4-yl)imidazo[1,2-b]pyridazin-6-amine
CAS 1012345-12-8C20H21N5O
![3-[2-[4-(3-Pyridinyl)-1-piperazinyl]-5-pyrimidinyl]benzenemethanol chemical structure, C20H21N5O, CAS 1400755-96-5](/s/SVKJISQVNHZVGE-UHFFFAOYSA-N.svg)
3-[2-[4-(3-Pyridinyl)-1-piperazinyl]-5-pyrimidinyl]benzenemethanol
CAS 1400755-96-5C20H21N5O
N-(4-Anilino-6-phenyl-1,3,5-triazin-2-yl)-2,2-dimethylpropanamide
CAS 1446504-05-7C20H21N5O
N-(2-Cyanophenyl)-1-(6-cyclopropylpyridazin-3-yl)piperidine-3-carboxamide
CAS 2176069-13-7C20H21N5O
![N-[(Naphthalen-1-yl)methyl]-3-[(pyrazin-2-yl)amino]pyrrolidine-1-carboxamide chemical structure, C20H21N5O, CAS 2380068-02-8](/s/LSGXVDOMLDVITB-UHFFFAOYSA-N.svg)
N-[(Naphthalen-1-yl)methyl]-3-[(pyrazin-2-yl)amino]pyrrolidine-1-carboxamide
CAS 2380068-02-8C20H21N5O
![2-[1-(6-Methylpyrimidin-4-yl)piperidin-4-yl]-6-phenyl-2,3-dihydropyridazin-3-one chemical structure, C20H21N5O, CAS 2380067-78-5](/s/KOTQZLPTTNPGRR-UHFFFAOYSA-N.svg)
2-[1-(6-Methylpyrimidin-4-yl)piperidin-4-yl]-6-phenyl-2,3-dihydropyridazin-3-one
CAS 2380067-78-5C20H21N5O
![2-[1-(2-Methylpyrimidin-4-yl)piperidin-4-yl]-6-phenyl-2,3-dihydropyridazin-3-one chemical structure, C20H21N5O, CAS 2379983-95-4](/s/MWFGXDHNYCABAE-UHFFFAOYSA-N.svg)
2-[1-(2-Methylpyrimidin-4-yl)piperidin-4-yl]-6-phenyl-2,3-dihydropyridazin-3-one
CAS 2379983-95-4C20H21N5O
- 2-[1-(4-Methylpyrimidin-2-yl)piperidin-4-yl]-6-phenyl-2,3-dihydropyridazin-3-one2379993-49-2C20H21N5O
- 2-[1-(5-Methylpyrimidin-2-yl)piperidin-4-yl]-6-phenyl-2,3-dihydropyridazin-3-one2379983-98-7C20H21N5O
- 4-Phenyl-6-{[1-(pyrazin-2-yl)piperidin-4-yl]methoxy}pyrimidine2379993-37-8C20H21N5O
- N-(Diphenylmethyl)-3-[(1H-1,2,4-triazol-1-yl)methyl]azetidine-1-carboxamide2319850-01-4C20H21N5O
- 4-[(1H-Imidazol-1-yl)methyl]-N-methyl-N-[1-(pyridin-2-yl)azetidin-3-yl]benzamide2415562-39-7C20H21N5O
- N,1-dimethyl-3-phenyl-N-[1-(pyridin-2-yl)azetidin-3-yl]-1H-pyrazole-5-carboxamide2415624-45-0C20H21N5O
- 1-(1-((1H-Benzo[d]imidazol-2-yl)methyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one909681-56-7C20H21N5O
- 4-[[4-(2-Phenylpropylamino)pyrimidin-2-yl]amino]benzamide1009328-85-1C20H21N5O
- 3-[[4-(2-Phenylpropylamino)pyrimidin-2-yl]amino]benzamide1009329-73-0C20H21N5O
- 4-Pyrrolidin-1-yl-N-[2-(1H-1,2,4-triazol-1-yl)benzyl]benzamide1783246-80-9C20H21N5O
- 1-(1-(Imidazo[1,2-a]pyridin-3-ylmethyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1949247-95-3C20H21N5O
- 4,6-Dimethyl-2-(4-(2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)nicotinonitrile2181555-44-0C20H21N5O
- 2-(5-Benzyl-6-methyl-4-oxo-1H-pyrimidin-2-yl)-1-(3-methylphenyl)guanidine578747-16-7C20H21N5O
- N-[1-(3-Cyanopyrazin-2-yl)azetidin-3-yl]-N-methyl-1,2,3,4-tetrahydronaphthalene-1-carboxamide2380144-81-8C20H21N5O
- 2-(3-{[(6-Cyclopropylpyridazin-3-yl)oxy]methyl}pyrrolidin-1-yl)quinoxaline2548999-35-3C20H21N5O
- 1-Benzyl-4-{2-cyclopropylpyrazolo[1,5-a]pyrazin-4-yl}piperazin-2-one2549027-99-6C20H21N5O
- 1-Methyl-2-[5-(pyridine-4-carbonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-1H-1,3-benzodiazole2549041-65-6C20H21N5O
- 1-Methyl-2-[5-(pyridine-3-carbonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-1H-1,3-benzodiazole2549044-30-4C20H21N5O
- 4-[3-({5H,6H,7H-Cyclopenta[c]pyridazin-3-yloxy}methyl)pyrrolidin-1-yl]quinazoline2742029-29-2C20H21N5O
- 1-Benzoyl-4-{2-cyclopropylpyrazolo[1,5-a]pyrazin-4-yl}piperazine2640889-73-0C20H21N5O
- 1-{4-[6-(Pyrimidin-5-yl)-1,8-naphthyridin-2-yl]piperidin-1-yl}propan-1-one2742006-89-7C20H21N5O
- 6-Cyclopropyl-2-[1-(1H-pyrazole-4-carbonyl)piperidin-4-yl]-1,8-naphthyridine2741927-98-8C20H21N5O
- 6-Cyclopropyl-2-[1-(1H-pyrazole-3-carbonyl)piperidin-4-yl]-1,8-naphthyridine2741948-96-7C20H21N5O
- 2-Methyl-4-(3-{[(6-phenylpyridazin-3-yl)oxy]methyl}pyrrolidin-1-yl)pyrimidine2742043-69-0C20H21N5O
- 3-Methyl-1-{6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine-7-carbonyl}-5H,6H,7H,8H-imidazo[1,5-a]pyridine2770622-26-7C20H21N5O
- 4-{7-Cyclobutanecarbonyl-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-3-yl}-1-methyl-1H-pyrazole2770603-77-3C20H21N5O
- 2-Cyclopropyl-1-[3-(1-methyl-1H-pyrazol-4-yl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-7-yl]ethan-1-one2770628-99-2C20H21N5O
- N-[1-[5-(2-Naphthalenyl)-1,2,4-triazin-3-yl]-4-piperidinyl]acetamide1820941-84-1C20H21N5O
- 3-[[[6-(Aminomethyl)-4-pyrimidinyl]methylamino]methyl]-N-phenylbenzamide2060556-28-5C20H21N5O
- 3-{[4-({Imidazo[1,2-a]pyridin-2-yl}methyl)piperazin-1-yl]methyl}-1,2-benzoxazole3030841-76-7C20H21N5O
- 3-[4-(1,2,3,4-Tetrahydroisoquinoline-2-carbonyl)piperidin-1-yl]pyrazine-2-carbonitrile3054635-70-7C20H21N5O
- 3-[3-(1,2,3,4-Tetrahydroisoquinoline-2-carbonyl)piperidin-1-yl]pyrazine-2-carbonitrile3054620-10-6C20H21N5O
- 3-{4-[2-(2,3-Dihydro-1H-indol-1-yl)-2-oxoethyl]piperidin-1-yl}pyrazine-2-carbonitrile3054601-62-3C20H21N5O
- 2-[4-(1,2,3,4-Tetrahydroisoquinoline-2-carbonyl)piperidin-1-yl]pyrimidine-4-carbonitrile3054590-19-8C20H21N5O
- 2-[3-(1,2,3,4-Tetrahydroisoquinoline-2-carbonyl)piperidin-1-yl]pyrimidine-4-carbonitrile3054445-26-7C20H21N5O
- 2-{4-[2-(2,3-Dihydro-1H-indol-1-yl)-2-oxoethyl]piperidin-1-yl}pyrimidine-4-carbonitrile3054414-53-5C20H21N5O
- 2-(1-{Pyrazolo[1,5-a]pyrazin-4-yl}pyrrolidine-3-carbonyl)-1,2,3,4-tetrahydroisoquinoline3054591-05-5C20H21N5O
- 2-(1-{Imidazo[1,2-b]pyridazin-6-yl}pyrrolidine-3-carbonyl)-1,2,3,4-tetrahydroisoquinoline3054611-30-9C20H21N5O
- 2-(1-{Pyrazolo[1,5-a]pyrimidin-5-yl}pyrrolidine-3-carbonyl)-1,2,3,4-tetrahydroisoquinoline3054588-66-5C20H21N5O
- 2-(1H-Indol-1-yl)-1-[3-(6-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]ethan-1-one3054588-15-4C20H21N5O
- 1-(1-((1H-Benzo[d]imidazol-6-yl)methyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one2789989-07-5C20H21N5O
- 1-Pyrrolidinecarboximidamide,N-(4,5-dihydro-5-oxo-4,4-diphenyl-1H-imidazol-2-yl)-137588-42-2C20H21N5O
Frequently asked questions
What is the molar mass of C20H21N5O?
The molar mass of C20H21N5O is 347.42 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 347.1746 Da.
How many compounds have the formula C20H21N5O?
CompoundList lists 166 compounds with the molecular formula C20H21N5O, including N-(2-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)ethyl)-1-isopropyl-1H-indole-4-carboxamide, 3-(1-Methyl-1H-indol-3-yl)-N-[2-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethyl]propanamide, N-(3,4-Dimethylphenyl)-3-(4-phenyl-1H-1,2,3-triazol-1-yl)azetidine-1-carboxamide. 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 C20H21N5O?
C20H21N5O 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.