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Molecular formula

C21H20N8O

14 compounds have this formula on CompoundList.

Molar mass
400.45g/mol
Monoisotopic mass
400.1760Da
Atoms
50
Elements
4
Rings plus double bonds
16

The formula C21H20N8O describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 8 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 × 2162.99%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 205.03%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 827.98%
    14.007 × 8 = 112.056 g/mol
  • O Oxygen × 14.00%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C21H20N8O

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 14 of 14 compounds

N-(1H-Indazol-5-yl)-N'-[2-(1H-indol-3-yl)ethyl]-6-methoxy-1,3,5-triazine-2,4-diamine chemical structure, C21H20N8O, CAS 468056-29-3
N-(1H-Indazol-5-yl)-N'-[2-(1H-indol-3-yl)ethyl]-6-methoxy-1,3,5-triazine-2,4-diamine
CAS 468056-29-3C21H20N8O
N-(6-(2-Aminopyrimidin-5-yl)-2-morpholinopyrimidin-4-yl)quinolin-3-amine chemical structure, C21H20N8O, CAS 944395-98-6
N-(6-(2-Aminopyrimidin-5-yl)-2-morpholinopyrimidin-4-yl)quinolin-3-amine
CAS 944395-98-6C21H20N8O
1-(4-{3-[(4,6-Dimethylpyrimidin-2-yl)amino]-1H-1,2,4-triazol-5-yl}phenyl)-3-phenylurea chemical structure, C21H20N8O, CAS 669719-99-7
1-(4-{3-[(4,6-Dimethylpyrimidin-2-yl)amino]-1H-1,2,4-triazol-5-yl}phenyl)-3-phenylurea
CAS 669719-99-7C21H20N8O
1-(6-(1H-1,2,4-Triazol-1-yl)pyridazin-3-yl)-N-(quinolin-8-yl)piperidine-4-carboxamide chemical structure, C21H20N8O, CAS 1797186-62-9
1-(6-(1H-1,2,4-Triazol-1-yl)pyridazin-3-yl)-N-(quinolin-8-yl)piperidine-4-carboxamide
CAS 1797186-62-9C21H20N8O
1-(6-(1H-1,2,4-Triazol-1-yl)pyrimidin-4-yl)-N-(quinolin-8-yl)piperidine-4-carboxamide chemical structure, C21H20N8O, CAS 1797282-62-2
1-(6-(1H-1,2,4-Triazol-1-yl)pyrimidin-4-yl)-N-(quinolin-8-yl)piperidine-4-carboxamide
CAS 1797282-62-2C21H20N8O
N-(6-(4-Cyclopropyl-4H-1,2,4-triazol-3-yl)pyridin-2-yl)-4-(4,5-dimethyl-1H-imidazol-1-yl)picolinamide chemical structure, C21H20N8O, CAS 1262041-52-0
N-(6-(4-Cyclopropyl-4H-1,2,4-triazol-3-yl)pyridin-2-yl)-4-(4,5-dimethyl-1H-imidazol-1-yl)picolinamide
CAS 1262041-52-0C21H20N8O
(4-(6-(1H-1,2,4-Triazol-1-yl)pyridazin-3-yl)piperazin-1-yl)(4-(1H-pyrrol-1-yl)phenyl)methanone chemical structure, C21H20N8O, CAS 1797350-08-3
(4-(6-(1H-1,2,4-Triazol-1-yl)pyridazin-3-yl)piperazin-1-yl)(4-(1H-pyrrol-1-yl)phenyl)methanone
CAS 1797350-08-3C21H20N8O
(4-(6-(1H-1,2,4-Triazol-1-yl)pyrimidin-4-yl)piperazin-1-yl)(4-(1H-pyrrol-1-yl)phenyl)methanone chemical structure, C21H20N8O, CAS 1795297-14-1
(4-(6-(1H-1,2,4-Triazol-1-yl)pyrimidin-4-yl)piperazin-1-yl)(4-(1H-pyrrol-1-yl)phenyl)methanone
CAS 1795297-14-1C21H20N8O
N-(2-(5-Cyclopropyl-3-(pyrazin-2-yl)-1H-pyrazol-1-yl)ethyl)-2-phenyl-2H-1,2,3-triazole-4-carboxamide chemical structure, C21H20N8O, CAS 2034506-21-1
N-(2-(5-Cyclopropyl-3-(pyrazin-2-yl)-1H-pyrazol-1-yl)ethyl)-2-phenyl-2H-1,2,3-triazole-4-carboxamide
CAS 2034506-21-1C21H20N8O
3-Methyl-1-phenyl-3-{1-[3-(pyridin-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]azetidin-3-yl}urea chemical structure, C21H20N8O, CAS 2380041-42-7
3-Methyl-1-phenyl-3-{1-[3-(pyridin-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]azetidin-3-yl}urea
CAS 2380041-42-7C21H20N8O
1-[3-(Pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]-4-(pyridine-2-carbonyl)-1,4-diazepane chemical structure, C21H20N8O, CAS 2380186-07-0
1-[3-(Pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]-4-(pyridine-2-carbonyl)-1,4-diazepane
CAS 2380186-07-0C21H20N8O
2-[1-(1-Methyl-1H-1,2,3-triazole-4-carbonyl)piperidin-4-yl]-6-(pyrimidin-5-yl)-1,8-naphthyridine chemical structure, C21H20N8O, CAS 2640889-64-9
2-[1-(1-Methyl-1H-1,2,3-triazole-4-carbonyl)piperidin-4-yl]-6-(pyrimidin-5-yl)-1,8-naphthyridine
CAS 2640889-64-9C21H20N8O
1-{4-[6-(Pyrimidin-5-yl)-1,8-naphthyridin-2-yl]piperidin-1-yl}-2-(1H-1,2,4-triazol-1-yl)ethan-1-one chemical structure, C21H20N8O, CAS 2742042-69-7
1-{4-[6-(Pyrimidin-5-yl)-1,8-naphthyridin-2-yl]piperidin-1-yl}-2-(1H-1,2,4-triazol-1-yl)ethan-1-one
CAS 2742042-69-7C21H20N8O
2-[(Pyridin-2-yl)methyl]-6-(4-{pyrido[2,3-d]pyrimidin-4-yl}piperazin-1-yl)-2,3-dihydropyridazin-3-one chemical structure, C21H20N8O, CAS 2770592-65-7
2-[(Pyridin-2-yl)methyl]-6-(4-{pyrido[2,3-d]pyrimidin-4-yl}piperazin-1-yl)-2,3-dihydropyridazin-3-one
CAS 2770592-65-7C21H20N8O

Frequently asked questions

What is the molar mass of C21H20N8O?

The molar mass of C21H20N8O is 400.45 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 8 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 400.1760 Da.

How many compounds have the formula C21H20N8O?

CompoundList lists 14 compounds with the molecular formula C21H20N8O, including N-(1H-Indazol-5-yl)-N'-[2-(1H-indol-3-yl)ethyl]-6-methoxy-1,3,5-triazine-2,4-diamine, N-(6-(2-Aminopyrimidin-5-yl)-2-morpholinopyrimidin-4-yl)quinolin-3-amine, 1-(4-{3-[(4,6-Dimethylpyrimidin-2-yl)amino]-1H-1,2,4-triazol-5-yl}phenyl)-3-phenylurea. 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 C21H20N8O?

C21H20N8O has a degree of unsaturation of 16. 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.