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Molecular formula

C21H19N7O3

18 compounds have this formula on CompoundList.

Molar mass
417.43g/mol
Monoisotopic mass
417.1549Da
Atoms
50
Elements
4
Rings plus double bonds
16

The formula C21H19N7O3 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 7 nitrogen atoms and 3 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 × 2160.42%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 194.59%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 723.49%
    14.007 × 7 = 98.049 g/mol
  • O Oxygen × 311.50%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H19N7O3

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

Showing 1 to 18 of 18 compounds

CA-4948 chemical structure, C21H19N7O3, CAS 1801343-74-7
CA-4948
CAS 1801343-74-7C21H19N7O3
1,5-Dimethyl-4-{(E)-[3-methyl-5-oxo-1-(pyridine-4-carbonyl)-4,5-dihydro-1H-pyrazol-4-yl]diazenyl}-2-phenyl-1,2-dihydro-3H-pyrazol-3-one chemical structure, C21H19N7O3, CAS 78503-94-3
1,5-Dimethyl-4-{(E)-[3-methyl-5-oxo-1-(pyridine-4-carbonyl)-4,5-dihydro-1H-pyrazol-4-yl]diazenyl}-2-phenyl-1,2-dihydro-3H-pyrazol-3-one
CAS 78503-94-3C21H19N7O3
6'-Amino-N-[2-(4-morpholinyl)oxazolo[5,4-b]pyridin-5-yl][2,3'-bipyridine]-6-carboxamide chemical structure, C21H19N7O3, CAS 1801343-85-0
6'-Amino-N-[2-(4-morpholinyl)oxazolo[5,4-b]pyridin-5-yl][2,3'-bipyridine]-6-carboxamide
CAS 1801343-85-0C21H19N7O3
N-(2-(6-Oxo-3-(1H-pyrazol-1-yl)pyridazin-1(6H)-yl)ethyl)-2-(6-oxo-4-phenylpyrimidin-1(6H)-yl)acetamide chemical structure, C21H19N7O3, CAS 1396559-98-0
N-(2-(6-Oxo-3-(1H-pyrazol-1-yl)pyridazin-1(6H)-yl)ethyl)-2-(6-oxo-4-phenylpyrimidin-1(6H)-yl)acetamide
CAS 1396559-98-0C21H19N7O3
N-(4-Acetamidophenyl)-2-(3-benzyl-7-oxotriazolo[4,5-d]pyrimidin-6-yl)acetamide chemical structure, C21H19N7O3, CAS 863018-29-5
N-(4-Acetamidophenyl)-2-(3-benzyl-7-oxotriazolo[4,5-d]pyrimidin-6-yl)acetamide
CAS 863018-29-5C21H19N7O3
N-(3-Acetamidophenyl)-2-(7-oxo-3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide chemical structure, C21H19N7O3, CAS 863019-14-1
N-(3-Acetamidophenyl)-2-(7-oxo-3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide
CAS 863019-14-1C21H19N7O3
9-(2,5-Dimethoxyphenyl)-8-(4-methylphenyl)-4,9-dihydrotetraazolo[1',5':1,2]pyrimido[4,5-d]pyridazin-5-ol chemical structure, C21H19N7O3, CAS 939331-50-7
9-(2,5-Dimethoxyphenyl)-8-(4-methylphenyl)-4,9-dihydrotetraazolo[1',5':1,2]pyrimido[4,5-d]pyridazin-5-ol
CAS 939331-50-7C21H19N7O3
N-(3-Acetamidophenyl)-2-(3-benzyl-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide chemical structure, C21H19N7O3, CAS 863018-27-3
N-(3-Acetamidophenyl)-2-(3-benzyl-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide
CAS 863018-27-3C21H19N7O3
4-[[2-[3-(3,4-Dimethylphenyl)-7-oxotriazolo[4,5-d]pyrimidin-6-yl]acetyl]amino]benzamide chemical structure, C21H19N7O3, CAS 893918-04-2
4-[[2-[3-(3,4-Dimethylphenyl)-7-oxotriazolo[4,5-d]pyrimidin-6-yl]acetyl]amino]benzamide
CAS 893918-04-2C21H19N7O3
4-[[2-[3-(3,5-Dimethylphenyl)-7-oxotriazolo[4,5-d]pyrimidin-6-yl]acetyl]amino]benzamide chemical structure, C21H19N7O3, CAS 893923-45-0
4-[[2-[3-(3,5-Dimethylphenyl)-7-oxotriazolo[4,5-d]pyrimidin-6-yl]acetyl]amino]benzamide
CAS 893923-45-0C21H19N7O3
N-(4-Acetamidophenyl)-2-(7-oxo-3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide chemical structure, C21H19N7O3, CAS 863019-15-2
N-(4-Acetamidophenyl)-2-(7-oxo-3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide
CAS 863019-15-2C21H19N7O3
1-(6-(1H-1,2,4-Triazol-1-yl)pyrimidin-4-yl)-N-(2-oxo-2H-chromen-3-yl)piperidine-4-carboxamide chemical structure, C21H19N7O3, CAS 1797160-68-9
1-(6-(1H-1,2,4-Triazol-1-yl)pyrimidin-4-yl)-N-(2-oxo-2H-chromen-3-yl)piperidine-4-carboxamide
CAS 1797160-68-9C21H19N7O3
3-(1-(3-(1H-Tetrazol-1-yl)benzoyl)piperidin-4-yl)quinazoline-2,4(1H,3H)-dione chemical structure, C21H19N7O3, CAS 2034532-22-2
3-(1-(3-(1H-Tetrazol-1-yl)benzoyl)piperidin-4-yl)quinazoline-2,4(1H,3H)-dione
CAS 2034532-22-2C21H19N7O3
(E)-3-(2-Methoxyphenyl)-N-(2-(4-(3-(pyridin-3-yl)-1,2,4-oxadiazol-5-yl)-1H-1,2,3-triazol-1-yl)ethyl)acrylamide chemical structure, C21H19N7O3, CAS 2035036-39-4
(E)-3-(2-Methoxyphenyl)-N-(2-(4-(3-(pyridin-3-yl)-1,2,4-oxadiazol-5-yl)-1H-1,2,3-triazol-1-yl)ethyl)acrylamide
CAS 2035036-39-4C21H19N7O3
N-{[3-(3-Methylbenzyl)-7-oxo-3,7-dihydro-6H-[1,2,3]triazolo[4,5-d]pyrimidin-6-yl]acetyl}-N'-phenylurea chemical structure, C21H19N7O3, CAS 944775-41-1
N-{[3-(3-Methylbenzyl)-7-oxo-3,7-dihydro-6H-[1,2,3]triazolo[4,5-d]pyrimidin-6-yl]acetyl}-N'-phenylurea
CAS 944775-41-1C21H19N7O3
2-(1,3-Dimethyl-2,6-dioxopurin-7-yl)-N-(4-phenyldiazenylphenyl)acetamide chemical structure, C21H19N7O3, CAS 1008322-20-0
2-(1,3-Dimethyl-2,6-dioxopurin-7-yl)-N-(4-phenyldiazenylphenyl)acetamide
CAS 1008322-20-0C21H19N7O3
2-(3,7-Dimethyl-2,6-dioxopurin-1-yl)-N-(4-phenyldiazenylphenyl)acetamide chemical structure, C21H19N7O3, CAS 1012948-49-0
2-(3,7-Dimethyl-2,6-dioxopurin-1-yl)-N-(4-phenyldiazenylphenyl)acetamide
CAS 1012948-49-0C21H19N7O3
2-[[2-[3-[[3-(1-Methyl-1H-pyrazol-4-yl)-6-oxo-1(6H)-pyridazinyl]methyl]phenyl]-5-pyrimidinyl]oxy]acetamide chemical structure, C21H19N7O3, CAS 1103506-72-4
2-[[2-[3-[[3-(1-Methyl-1H-pyrazol-4-yl)-6-oxo-1(6H)-pyridazinyl]methyl]phenyl]-5-pyrimidinyl]oxy]acetamide
CAS 1103506-72-4C21H19N7O3

Frequently asked questions

What is the molar mass of C21H19N7O3?

The molar mass of C21H19N7O3 is 417.43 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 7 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 417.1549 Da.

How many compounds have the formula C21H19N7O3?

CompoundList lists 18 compounds with the molecular formula C21H19N7O3, including CA-4948, 1,5-Dimethyl-4-{(E)-[3-methyl-5-oxo-1-(pyridine-4-carbonyl)-4,5-dihydro-1H-pyrazol-4-yl]diazenyl}-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, 6'-Amino-N-[2-(4-morpholinyl)oxazolo[5,4-b]pyridin-5-yl][2,3'-bipyridine]-6-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 C21H19N7O3?

C21H19N7O3 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.