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Molecular formula

C21H16N6

11 compounds have this formula on CompoundList.

Molar mass
352.40g/mol
Monoisotopic mass
352.1436Da
Atoms
43
Elements
3
Rings plus double bonds
17

The formula C21H16N6 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms and 6 nitrogen 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 × 2171.57%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 164.58%
    1.008 × 16 = 16.128 g/mol
  • N Nitrogen × 623.85%
    14.007 × 6 = 84.042 g/mol
Look up another formula

Compounds with the formula C21H16N6

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

Showing 1 to 11 of 11 compounds

N-1H-Indazol-5-yl-2-(6-methylpyridin-2-yl)quinazolin-4-amine chemical structure, C21H16N6, CAS 733807-13-1
N-1H-Indazol-5-yl-2-(6-methylpyridin-2-yl)quinazolin-4-amine
CAS 733807-13-1C21H16N6
1-(1H-Benzotriazol-1-yl)-3-propylpyrido[1,2-a]benzimidazole-4-carbonitrile chemical structure, C21H16N6, CAS 683795-90-6
1-(1H-Benzotriazol-1-yl)-3-propylpyrido[1,2-a]benzimidazole-4-carbonitrile
CAS 683795-90-6C21H16N6
4-[[4-[4-[(E)-2-Cyanovinyl]-2-methyl-anilino]pyrimidin-2-yl]amino]benzonitrile chemical structure, C21H16N6, CAS 500292-48-8
4-[[4-[4-[(E)-2-Cyanovinyl]-2-methyl-anilino]pyrimidin-2-yl]amino]benzonitrile
CAS 500292-48-8C21H16N6
N4-(3-(naphthalen-2-yl)-1H-indazol-5-yl)pyrimidine-2,4-diamine chemical structure, C21H16N6, CAS 953407-23-3
N4-(3-(naphthalen-2-yl)-1H-indazol-5-yl)pyrimidine-2,4-diamine
CAS 953407-23-3C21H16N6
(E)-5,6-Diphenyl-3-(2-(pyridin-4-ylmethylene)hydrazinyl)-1,2,4-triazine chemical structure, C21H16N6, CAS 111011-18-8
(E)-5,6-Diphenyl-3-(2-(pyridin-4-ylmethylene)hydrazinyl)-1,2,4-triazine
CAS 111011-18-8C21H16N6
N-(2-Phenyl[1,2,4]triazolo[1,5-c]quinazolin-5-yl)-N-(2-pyridylmethyl)amine chemical structure, C21H16N6, CAS 902906-29-0
N-(2-Phenyl[1,2,4]triazolo[1,5-c]quinazolin-5-yl)-N-(2-pyridylmethyl)amine
CAS 902906-29-0C21H16N6
N-Benzyl-2-(pyridin-4-yl)-[1,2,4]triazolo[1,5-C]quinazolin-5-amine chemical structure, C21H16N6, CAS 902944-94-9
N-Benzyl-2-(pyridin-4-yl)-[1,2,4]triazolo[1,5-C]quinazolin-5-amine
CAS 902944-94-9C21H16N6
1-{2-[Phenyl(phenyldiazenyl)methylidene]hydrazinyl}phthalazine chemical structure, C21H16N6, CAS 67073-40-9
1-{2-[Phenyl(phenyldiazenyl)methylidene]hydrazinyl}phthalazine
CAS 67073-40-9C21H16N6
4-[Azido(diphenyl)methyl]-5-phenyl-2H-1,2,3-triazole chemical structure, C21H16N6, CAS 88596-65-0
4-[Azido(diphenyl)methyl]-5-phenyl-2H-1,2,3-triazole
CAS 88596-65-0C21H16N6
n1-(1-(Naphthalen-1-yl)-1H-pyrazolo[3,4-d]pyrimidin-6-yl)benzene-1,4-diamine chemical structure, C21H16N6, CAS 1044496-80-1
n1-(1-(Naphthalen-1-yl)-1H-pyrazolo[3,4-d]pyrimidin-6-yl)benzene-1,4-diamine
CAS 1044496-80-1C21H16N6
n1-(1-(Naphthalen-2-yl)-1H-pyrazolo[3,4-d]pyrimidin-6-yl)benzene-1,4-diamine chemical structure, C21H16N6, CAS 1044496-70-9
n1-(1-(Naphthalen-2-yl)-1H-pyrazolo[3,4-d]pyrimidin-6-yl)benzene-1,4-diamine
CAS 1044496-70-9C21H16N6

Frequently asked questions

What is the molar mass of C21H16N6?

The molar mass of C21H16N6 is 352.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms and 6 nitrogen atoms. The monoisotopic mass is 352.1436 Da.

How many compounds have the formula C21H16N6?

CompoundList lists 11 compounds with the molecular formula C21H16N6, including N-1H-Indazol-5-yl-2-(6-methylpyridin-2-yl)quinazolin-4-amine, 1-(1H-Benzotriazol-1-yl)-3-propylpyrido[1,2-a]benzimidazole-4-carbonitrile, 4-[[4-[4-[(E)-2-Cyanovinyl]-2-methyl-anilino]pyrimidin-2-yl]amino]benzonitrile. 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 C21H16N6?

C21H16N6 has a degree of unsaturation of 17. 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.