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Molecular formula

C21H24N8O

12 compounds have this formula on CompoundList.

Molar mass
404.48g/mol
Monoisotopic mass
404.2073Da
Atoms
54
Elements
4
Rings plus double bonds
14

The formula C21H24N8O describes a molecule made of 21 carbon atoms, 24 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 × 2162.36%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 245.98%
    1.008 × 24 = 24.192 g/mol
  • N Nitrogen × 827.70%
    14.007 × 8 = 112.056 g/mol
  • O Oxygen × 13.96%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C21H24N8O

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

Showing 1 to 12 of 12 compounds

5,11-Dimethyl-2-[(1-piperidin-4-ylpyrazol-4-yl)amino]pyrimido[4,5-b][1,4]benzodiazepin-6-one chemical structure, C21H24N8O, CAS 1628614-50-5
5,11-Dimethyl-2-[(1-piperidin-4-ylpyrazol-4-yl)amino]pyrimido[4,5-b][1,4]benzodiazepin-6-one
CAS 1628614-50-5C21H24N8O
6-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-[(1-{2,5-dimethylpyrazolo[1,5-a]pyrimidin-7-yl}azetidin-3-yl)methyl]-2,3-dihydropyridazin-3-one chemical structure, C21H24N8O, CAS 2178771-76-9
6-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-[(1-{2,5-dimethylpyrazolo[1,5-a]pyrimidin-7-yl}azetidin-3-yl)methyl]-2,3-dihydropyridazin-3-one
CAS 2178771-76-9C21H24N8O
N-(1H-Benzimidazol-2-yl)-1-[3-(propan-2-yl)[1,2,4]triazolo[4,3-b]pyridazin-6-yl]piperidine-4-carboxamide chemical structure, C21H24N8O, CAS 1040705-08-5
N-(1H-Benzimidazol-2-yl)-1-[3-(propan-2-yl)[1,2,4]triazolo[4,3-b]pyridazin-6-yl]piperidine-4-carboxamide
CAS 1040705-08-5C21H24N8O
(4-(6,7-Dihydro-5H-cyclopenta[c]pyridazin-3-yl)piperazin-1-yl)(6-(3,5-dimethyl-1H-pyrazol-1-yl)pyridazin-3-yl)methanone chemical structure, C21H24N8O, CAS 2034615-10-4
(4-(6,7-Dihydro-5H-cyclopenta[c]pyridazin-3-yl)piperazin-1-yl)(6-(3,5-dimethyl-1H-pyrazol-1-yl)pyridazin-3-yl)methanone
CAS 2034615-10-4C21H24N8O
2-(Ethylamino)-4-methyl-8-(4-piperidinyl)-6-(1H-pyrrolo[2,3-b]pyridin-5-yl)-7(8H)-pteridinone chemical structure, C21H24N8O, CAS 1184914-70-2
2-(Ethylamino)-4-methyl-8-(4-piperidinyl)-6-(1H-pyrrolo[2,3-b]pyridin-5-yl)-7(8H)-pteridinone
CAS 1184914-70-2C21H24N8O
6-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-(1-{3-methyl-3H-imidazo[4,5-b]pyridin-2-yl}piperidin-4-yl)-2,3-dihydropyridazin-3-one chemical structure, C21H24N8O, CAS 2380059-14-1
6-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-(1-{3-methyl-3H-imidazo[4,5-b]pyridin-2-yl}piperidin-4-yl)-2,3-dihydropyridazin-3-one
CAS 2380059-14-1C21H24N8O
6-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-(1-{2-methylpyrazolo[1,5-a]pyrazin-4-yl}piperidin-4-yl)-2,3-dihydropyridazin-3-one chemical structure, C21H24N8O, CAS 2380058-27-3
6-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-(1-{2-methylpyrazolo[1,5-a]pyrazin-4-yl}piperidin-4-yl)-2,3-dihydropyridazin-3-one
CAS 2380058-27-3C21H24N8O
4-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-[(1-{pyrazolo[1,5-a]pyrazin-4-yl}piperidin-4-yl)methoxy]pyrimidine chemical structure, C21H24N8O, CAS 2379995-43-2
4-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-[(1-{pyrazolo[1,5-a]pyrazin-4-yl}piperidin-4-yl)methoxy]pyrimidine
CAS 2379995-43-2C21H24N8O
N-(1-(7H-Pyrrolo[2,3-d]pyrimidin-4-yl)piperidin-3-yl)-2-(1-methyl-1H-indazol-4-ylamino)acetamide chemical structure, C21H24N8O, CAS 1270015-03-6
N-(1-(7H-Pyrrolo[2,3-d]pyrimidin-4-yl)piperidin-3-yl)-2-(1-methyl-1H-indazol-4-ylamino)acetamide
CAS 1270015-03-6C21H24N8O
4-{5-[6-(3,5-Dimethyl-1H-pyrazol-1-yl)pyridazine-3-carbonyl]-octahydropyrrolo[3,4-c]pyrrol-2-yl}-5-methylpyrimidine chemical structure, C21H24N8O, CAS 2549017-27-6
4-{5-[6-(3,5-Dimethyl-1H-pyrazol-1-yl)pyridazine-3-carbonyl]-octahydropyrrolo[3,4-c]pyrrol-2-yl}-5-methylpyrimidine
CAS 2549017-27-6C21H24N8O
2-{4-[9-(2-Methoxyethyl)-9H-purin-6-yl]piperazin-1-yl}-5H,6H,7H-cyclopenta[b]pyridine-3-carbonitrile chemical structure, C21H24N8O, CAS 2741938-97-4
2-{4-[9-(2-Methoxyethyl)-9H-purin-6-yl]piperazin-1-yl}-5H,6H,7H-cyclopenta[b]pyridine-3-carbonitrile
CAS 2741938-97-4C21H24N8O
2-(4-{5,6-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}-1,4-diazepan-1-yl)-5H,7H,8H-pyrano[4,3-b]pyridine-3-carbonitrile chemical structure, C21H24N8O, CAS 2770602-56-5
2-(4-{5,6-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}-1,4-diazepan-1-yl)-5H,7H,8H-pyrano[4,3-b]pyridine-3-carbonitrile
CAS 2770602-56-5C21H24N8O

Frequently asked questions

What is the molar mass of C21H24N8O?

The molar mass of C21H24N8O is 404.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 24 hydrogen atoms, 8 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 404.2073 Da.

How many compounds have the formula C21H24N8O?

CompoundList lists 12 compounds with the molecular formula C21H24N8O, including 5,11-Dimethyl-2-[(1-piperidin-4-ylpyrazol-4-yl)amino]pyrimido[4,5-b][1,4]benzodiazepin-6-one, 6-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-[(1-{2,5-dimethylpyrazolo[1,5-a]pyrimidin-7-yl}azetidin-3-yl)methyl]-2,3-dihydropyridazin-3-one, N-(1H-Benzimidazol-2-yl)-1-[3-(propan-2-yl)[1,2,4]triazolo[4,3-b]pyridazin-6-yl]piperidine-4-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 C21H24N8O?

C21H24N8O has a degree of unsaturation of 14. 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.