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Molecular formula

C21H18N6O4

25 compounds have this formula on CompoundList.

Molar mass
418.41g/mol
Monoisotopic mass
418.1390Da
Atoms
49
Elements
4
Rings plus double bonds
16

The formula C21H18N6O4 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 6 nitrogen atoms and 4 oxygen atoms. 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 × 2160.28%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 184.34%
    1.008 × 18 = 18.144 g/mol
  • N Nitrogen × 620.09%
    14.007 × 6 = 84.042 g/mol
  • O Oxygen × 415.29%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H18N6O4

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

Showing 1 to 25 of 25 compounds

2-(3-Benzyl-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide chemical structure, C21H18N6O4, CAS 892468-69-8
2-(3-Benzyl-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide
CAS 892468-69-8C21H18N6O4
3-{5-[4-(6-Methoxypyridin-2-yl)-1H-1,2,3-triazol-1-yl]-1-oxo-2,3-dihydro-1H-isoindol-2-yl}piperidine-2,6-dione chemical structure, C21H18N6O4, CAS 2761394-01-6
3-{5-[4-(6-Methoxypyridin-2-yl)-1H-1,2,3-triazol-1-yl]-1-oxo-2,3-dihydro-1H-isoindol-2-yl}piperidine-2,6-dione
CAS 2761394-01-6C21H18N6O4
Pim1-IN-6 chemical structure, C21H18N6O4, CAS 2439168-69-9
Pim1-IN-6
CAS 2439168-69-9C21H18N6O4
N'~1~,N'~5~-bis[(3Z)-2-oxo-1,2-dihydro-3H-indol-3-ylidene]pentanedihydrazide chemical structure, C21H18N6O4, CAS 324010-67-5
N'~1~,N'~5~-bis[(3Z)-2-oxo-1,2-dihydro-3H-indol-3-ylidene]pentanedihydrazide
CAS 324010-67-5C21H18N6O4
2-(1-(3,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(3-nitrophenyl)acetamide chemical structure, C21H18N6O4, CAS 852451-54-8
2-(1-(3,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(3-nitrophenyl)acetamide
CAS 852451-54-8C21H18N6O4
2-(1-(2,3-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(4-nitrophenyl)acetamide chemical structure, C21H18N6O4, CAS 894992-44-0
2-(1-(2,3-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(4-nitrophenyl)acetamide
CAS 894992-44-0C21H18N6O4
2-(1-(3,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(4-nitrophenyl)acetamide chemical structure, C21H18N6O4, CAS 852451-55-9
2-(1-(3,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(4-nitrophenyl)acetamide
CAS 852451-55-9C21H18N6O4
2-(1-(2,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(4-nitrophenyl)acetamide chemical structure, C21H18N6O4, CAS 887459-00-9
2-(1-(2,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(4-nitrophenyl)acetamide
CAS 887459-00-9C21H18N6O4
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(7-oxo-3-(m-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide chemical structure, C21H18N6O4, CAS 872591-03-2
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(7-oxo-3-(m-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide
CAS 872591-03-2C21H18N6O4
N-(4-Methoxybenzyl)-2-[2-oxo-5-(3-pyrazin-2-yl-1,2,4-oxadiazol-5-yl)pyridin-1(2H)-yl]acetamide chemical structure, C21H18N6O4, CAS 1396765-72-2
N-(4-Methoxybenzyl)-2-[2-oxo-5-(3-pyrazin-2-yl-1,2,4-oxadiazol-5-yl)pyridin-1(2H)-yl]acetamide
CAS 1396765-72-2C21H18N6O4
N'~1~-[(3E)-5-methyl-2-oxo-1,2-dihydro-3H-indol-3-ylidene]-N'~3~-[(3Z)-5-methyl-2-oxo-1,2-dihydro-3H-indol-3-ylidene]propanedihydrazide chemical structure, C21H18N6O4, CAS 488706-73-6
N'~1~-[(3E)-5-methyl-2-oxo-1,2-dihydro-3H-indol-3-ylidene]-N'~3~-[(3Z)-5-methyl-2-oxo-1,2-dihydro-3H-indol-3-ylidene]propanedihydrazide
CAS 488706-73-6C21H18N6O4
N-(1-(3,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-2-methyl-3-nitrobenzamide chemical structure, C21H18N6O4, CAS 899967-36-3
N-(1-(3,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-2-methyl-3-nitrobenzamide
CAS 899967-36-3C21H18N6O4
N-(1-(3,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-4-methyl-3-nitrobenzamide chemical structure, C21H18N6O4, CAS 900008-95-9
N-(1-(3,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-4-methyl-3-nitrobenzamide
CAS 900008-95-9C21H18N6O4
N-[1-(3,4-Dimethylphenyl)-4-oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-5-yl]-2-(4-nitrophenyl)acetamide chemical structure, C21H18N6O4, CAS 900009-15-6
N-[1-(3,4-Dimethylphenyl)-4-oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-5-yl]-2-(4-nitrophenyl)acetamide
CAS 900009-15-6C21H18N6O4
N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-(7-oxo-3-(m-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide chemical structure, C21H18N6O4, CAS 872591-02-1
N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-(7-oxo-3-(m-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide
CAS 872591-02-1C21H18N6O4
N-(Benzo[d][1,3]dioxol-5-yl)-2-(3-(3,5-dimethylphenyl)-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide chemical structure, C21H18N6O4, CAS 872591-25-8
N-(Benzo[d][1,3]dioxol-5-yl)-2-(3-(3,5-dimethylphenyl)-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide
CAS 872591-25-8C21H18N6O4
5-(3-Methoxyphenyl)-1-{[3-(2-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1H,3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2,3]triazole-4,6-dione chemical structure, C21H18N6O4, CAS 1251673-90-1
5-(3-Methoxyphenyl)-1-{[3-(2-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1H,3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2,3]triazole-4,6-dione
CAS 1251673-90-1C21H18N6O4
5-(4-Methoxyphenyl)-1-((3-(p-tolyl)-1,2,4-oxadiazol-5-yl)methyl)-1,6a-dihydropyrrolo[3,4-d][1,2,3]triazole-4,6(3aH,5H)-dione chemical structure, C21H18N6O4, CAS 1251678-92-8
5-(4-Methoxyphenyl)-1-((3-(p-tolyl)-1,2,4-oxadiazol-5-yl)methyl)-1,6a-dihydropyrrolo[3,4-d][1,2,3]triazole-4,6(3aH,5H)-dione
CAS 1251678-92-8C21H18N6O4
5-(4-Methoxyphenyl)-1-{[3-(2-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1H,3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2,3]triazole-4,6-dione chemical structure, C21H18N6O4, CAS 1251629-63-6
5-(4-Methoxyphenyl)-1-{[3-(2-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1H,3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2,3]triazole-4,6-dione
CAS 1251629-63-6C21H18N6O4
3-(1-(5-(Pyridin-3-yl)isoxazole-3-carbonyl)piperidin-4-yl)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C21H18N6O4, CAS 2034379-64-9
3-(1-(5-(Pyridin-3-yl)isoxazole-3-carbonyl)piperidin-4-yl)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
CAS 2034379-64-9C21H18N6O4
2-(1-(2,3-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(3-nitrophenyl)acetamide chemical structure, C21H18N6O4, CAS 887458-58-4
2-(1-(2,3-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(3-nitrophenyl)acetamide
CAS 887458-58-4C21H18N6O4
2-[1-(2,4-Dimethylphenyl)-4-oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-5-yl]-N-(3-nitrophenyl)acetamide chemical structure, C21H18N6O4, CAS 887458-96-0
2-[1-(2,4-Dimethylphenyl)-4-oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-5-yl]-N-(3-nitrophenyl)acetamide
CAS 887458-96-0C21H18N6O4
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(3-benzyl-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide chemical structure, C21H18N6O4, CAS 863018-31-9
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(3-benzyl-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide
CAS 863018-31-9C21H18N6O4
N-(Benzo[d][1,3]dioxol-5-yl)-2-(3-(3,4-dimethylphenyl)-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide chemical structure, C21H18N6O4, CAS 872591-14-5
N-(Benzo[d][1,3]dioxol-5-yl)-2-(3-(3,4-dimethylphenyl)-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide
CAS 872591-14-5C21H18N6O4

Frequently asked questions

What is the molar mass of C21H18N6O4?

The molar mass of C21H18N6O4 is 418.41 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 6 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 418.1390 Da.

How many compounds have the formula C21H18N6O4?

CompoundList lists 25 compounds with the molecular formula C21H18N6O4, including 2-(3-Benzyl-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide, 3-{5-[4-(6-Methoxypyridin-2-yl)-1H-1,2,3-triazol-1-yl]-1-oxo-2,3-dihydro-1H-isoindol-2-yl}piperidine-2,6-dione, Pim1-IN-6. 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 C21H18N6O4?

C21H18N6O4 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.