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Molecular formula

C19H16N4O

138 compounds have this formula on CompoundList.

Molar mass
316.36g/mol
Monoisotopic mass
316.1324Da
Atoms
40
Elements
4
Rings plus double bonds
14

The formula C19H16N4O describes a molecule made of 19 carbon atoms, 16 hydrogen atoms, 4 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 × 1972.13%
    12.011 × 19 = 228.209 g/mol
  • H Hydrogen × 165.10%
    1.008 × 16 = 16.128 g/mol
  • N Nitrogen × 417.71%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 15.06%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C19H16N4O

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

Showing 101 to 138 of 138 compounds

Imidazo(1,2-c)quinazolin-2(3H)-one, 3-((4-(dimethylamino)phenyl)methylene)- chemical structure, C19H16N4O, CAS 60045-43-4
Imidazo(1,2-c)quinazolin-2(3H)-one, 3-((4-(dimethylamino)phenyl)methylene)-
CAS 60045-43-4C19H16N4O
3-(6-((2-Methoxybenzyl)amino)pyridazin-4-yl)benzonitrile chemical structure, C19H16N4O, CAS 660424-36-2
3-(6-((2-Methoxybenzyl)amino)pyridazin-4-yl)benzonitrile
CAS 660424-36-2C19H16N4O
N-Methyl-3-(4-phenoxyphenyl)imidazo[1,2-a]pyrazin-8-amine chemical structure, C19H16N4O, CAS 787591-16-6
N-Methyl-3-(4-phenoxyphenyl)imidazo[1,2-a]pyrazin-8-amine
CAS 787591-16-6C19H16N4O
2-Pyridinecarboxamide, 6-methyl-N-[4-(2-phenyldiazenyl)phenyl]- chemical structure, C19H16N4O, CAS 1390746-37-8
2-Pyridinecarboxamide, 6-methyl-N-[4-(2-phenyldiazenyl)phenyl]-
CAS 1390746-37-8C19H16N4O
2-(3-Methoxyphenyl)-6-(4-methyl-1H-imidazol-1-yl)quinazoline chemical structure, C19H16N4O, CAS 1201902-63-7
2-(3-Methoxyphenyl)-6-(4-methyl-1H-imidazol-1-yl)quinazoline
CAS 1201902-63-7C19H16N4O
2-[3-Ethoxy-5-(4-pyridinyl)phenyl]-3H-imidazo[4,5-b]pyridine chemical structure, C19H16N4O, CAS 927911-52-2
2-[3-Ethoxy-5-(4-pyridinyl)phenyl]-3H-imidazo[4,5-b]pyridine
CAS 927911-52-2C19H16N4O
3-[[4-[(2,6-Dimethyl-3-pyridinyl)oxy]-2-pyridinyl]amino]benzonitrile chemical structure, C19H16N4O, CAS 1117685-32-1
3-[[4-[(2,6-Dimethyl-3-pyridinyl)oxy]-2-pyridinyl]amino]benzonitrile
CAS 1117685-32-1C19H16N4O
Urea, N-phenyl-N-[4-(2-phenyldiazenyl)phenyl]- chemical structure, C19H16N4O, CAS 1360169-69-2
Urea, N-phenyl-N-[4-(2-phenyldiazenyl)phenyl]-
CAS 1360169-69-2C19H16N4O
N-Benzyl-2-(1,2-dihydro-3H-pyrazol-3-ylidene)-2H-indole-6-carboxamide chemical structure, C19H16N4O, CAS 827317-03-3
N-Benzyl-2-(1,2-dihydro-3H-pyrazol-3-ylidene)-2H-indole-6-carboxamide
CAS 827317-03-3C19H16N4O
N-Benzyl-2-(1,2-dihydro-3H-pyrazol-3-ylidene)-2H-indole-4-carboxamide chemical structure, C19H16N4O, CAS 827317-01-1
N-Benzyl-2-(1,2-dihydro-3H-pyrazol-3-ylidene)-2H-indole-4-carboxamide
CAS 827317-01-1C19H16N4O
4-({4-[(4-Methylphenyl)diazenyl]phenyl}diazenyl)phenol chemical structure, C19H16N4O, CAS 52740-02-0
4-({4-[(4-Methylphenyl)diazenyl]phenyl}diazenyl)phenol
CAS 52740-02-0C19H16N4O
2-Propenenitrile, 3-amino-2-((1,3-dihydro-3-oxo-2H-indol-2-ylidene)methyl)-3-((phenylmethyl)amino)- chemical structure, C19H16N4O, CAS 171853-09-1
2-Propenenitrile, 3-amino-2-((1,3-dihydro-3-oxo-2H-indol-2-ylidene)methyl)-3-((phenylmethyl)amino)-
CAS 171853-09-1C19H16N4O
N-Benzyl-2-(1,2-dihydro-3H-pyrazol-3-ylidene)-2H-indole-5-carboxamide chemical structure, C19H16N4O, CAS 827317-02-2
N-Benzyl-2-(1,2-dihydro-3H-pyrazol-3-ylidene)-2H-indole-5-carboxamide
CAS 827317-02-2C19H16N4O
6-Anilino-2-(4-methylphenyl)imidazo[1,2-b]pyridazin-3-ol chemical structure, C19H16N4O, CAS 122479-45-2
6-Anilino-2-(4-methylphenyl)imidazo[1,2-b]pyridazin-3-ol
CAS 122479-45-2C19H16N4O
2-[3-(Pyridin-3-yloxymethyl)azetidin-1-yl]quinoline-4-carbonitrile chemical structure, C19H16N4O, CAS 2380170-77-2
2-[3-(Pyridin-3-yloxymethyl)azetidin-1-yl]quinoline-4-carbonitrile
CAS 2380170-77-2C19H16N4O
3-[3-(2-Methyl-1H-1,3-benzodiazol-1-yl)azetidine-1-carbonyl]benzonitrile chemical structure, C19H16N4O, CAS 2380181-98-4
3-[3-(2-Methyl-1H-1,3-benzodiazol-1-yl)azetidine-1-carbonyl]benzonitrile
CAS 2380181-98-4C19H16N4O
6-[(4-Ethenylphenyl)methyl]-2-methyl-[1,2,4]triazolo[1,5-c]quinazolin-5-one chemical structure, C19H16N4O, CAS 2380189-83-1
6-[(4-Ethenylphenyl)methyl]-2-methyl-[1,2,4]triazolo[1,5-c]quinazolin-5-one
CAS 2380189-83-1C19H16N4O
4-(4-Methoxyphenyl)-1-phenyl-5-(1H-pyrrol-1-yl)-1H-1,2,3-triazole chemical structure, C19H16N4O, CAS 2415555-64-3
4-(4-Methoxyphenyl)-1-phenyl-5-(1H-pyrrol-1-yl)-1H-1,2,3-triazole
CAS 2415555-64-3C19H16N4O
N'-(2-Cyanoethyl)-2-phenylquinoline-4-carbohydrazide chemical structure, C19H16N4O, CAS 10535-19-0
N'-(2-Cyanoethyl)-2-phenylquinoline-4-carbohydrazide
CAS 10535-19-0C19H16N4O
3-Methyl-2,4-bis(phenyldiazenyl)phenol chemical structure, C19H16N4O, CAS 16539-74-5
3-Methyl-2,4-bis(phenyldiazenyl)phenol
CAS 16539-74-5C19H16N4O
4-({1-[(Quinolin-4-yl)methyl]azetidin-3-yl}oxy)pyridine-2-carbonitrile chemical structure, C19H16N4O, CAS 2877673-24-8
4-({1-[(Quinolin-4-yl)methyl]azetidin-3-yl}oxy)pyridine-2-carbonitrile
CAS 2877673-24-8C19H16N4O
5,6-Diphenyl-N-(prop-2-en-1-yl)-1,2,4-triazine-3-carboxamide chemical structure, C19H16N4O, CAS 90331-44-5
5,6-Diphenyl-N-(prop-2-en-1-yl)-1,2,4-triazine-3-carboxamide
CAS 90331-44-5C19H16N4O
4-[(6-Methyl-2-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]phenol chemical structure, C19H16N4O, CAS 541503-35-9
4-[(6-Methyl-2-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]phenol
CAS 541503-35-9C19H16N4O
2-(4-Methoxyphenyl)-6-(2-methylimidazol-1-yl)quinazoline chemical structure, C19H16N4O, CAS 1201902-01-3
2-(4-Methoxyphenyl)-6-(2-methylimidazol-1-yl)quinazoline
CAS 1201902-01-3C19H16N4O

Frequently asked questions

What is the molar mass of C19H16N4O?

The molar mass of C19H16N4O is 316.36 g/mol, calculated from standard atomic weights for 19 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 316.1324 Da.

How many compounds have the formula C19H16N4O?

CompoundList lists 138 compounds with the molecular formula C19H16N4O, including Imidazo(1,2-c)quinazolin-2(3H)-one, 3-((4-(dimethylamino)phenyl)methylene)-, 3-(6-((2-Methoxybenzyl)amino)pyridazin-4-yl)benzonitrile, N-Methyl-3-(4-phenoxyphenyl)imidazo[1,2-a]pyrazin-8-amine. 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 C19H16N4O?

C19H16N4O 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.