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Molecular formula

C21H15N3

29 compounds have this formula on CompoundList.

Molar mass
309.37g/mol
Monoisotopic mass
309.1266Da
Atoms
39
Elements
3
Rings plus double bonds
16

The formula C21H15N3 describes a molecule made of 21 carbon atoms, 15 hydrogen atoms and 3 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 × 2181.53%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 154.89%
    1.008 × 15 = 15.120 g/mol
  • N Nitrogen × 313.58%
    14.007 × 3 = 42.021 g/mol
Look up another formula

Compounds with the formula C21H15N3

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

Showing 1 to 29 of 29 compounds

2,6-Bis(2-pyridyl)-4-phenylpyridine chemical structure, C21H15N3, CAS 58345-97-4
2,6-Bis(2-pyridyl)-4-phenylpyridine
CAS 58345-97-4C21H15N3
Kyaphenine chemical structure, C21H15N3, CAS 493-77-6
Kyaphenine
CAS 493-77-6C21H15N3
3,5,6-Triphenyl-1,2,4-triazine chemical structure, C21H15N3, CAS 24108-44-9
3,5,6-Triphenyl-1,2,4-triazine
CAS 24108-44-9C21H15N3
1H-1,2,4-Triazole, 1-(9-phenyl-9H-fluoren-9-yl)- chemical structure, C21H15N3, CAS 828265-51-6
1H-1,2,4-Triazole, 1-(9-phenyl-9H-fluoren-9-yl)-
CAS 828265-51-6C21H15N3
1,3,5-Tris(2-pyridyl)benzene chemical structure, C21H15N3, CAS 124960-21-0
1,3,5-Tris(2-pyridyl)benzene
CAS 124960-21-0C21H15N3
1H-1,2,3-Triazole, 1-(9-phenyl-9H-fluoren-9-yl)- chemical structure, C21H15N3, CAS 828265-50-5
1H-1,2,3-Triazole, 1-(9-phenyl-9H-fluoren-9-yl)-
CAS 828265-50-5C21H15N3
4-(9-Phenyl-9H-fluoren-9-yl)-4H-1,2,4-triazole chemical structure, C21H15N3, CAS 828265-49-2
4-(9-Phenyl-9H-fluoren-9-yl)-4H-1,2,4-triazole
CAS 828265-49-2C21H15N3
4'-Phenyl-3,2':6',3''-terpyridine chemical structure, C21H15N3, CAS 5333-11-9
4'-Phenyl-3,2':6',3''-terpyridine
CAS 5333-11-9C21H15N3
4,4',4''-(Benzene-1,3,5-triyl)tripyridine chemical structure, C21H15N3, CAS 170165-84-1
4,4',4''-(Benzene-1,3,5-triyl)tripyridine
CAS 170165-84-1C21H15N3
3,3',3''-(1,3,5-Benzenetriyl)tris(pyridine) chemical structure, C21H15N3, CAS 872277-48-0
3,3',3''-(1,3,5-Benzenetriyl)tris(pyridine)
CAS 872277-48-0C21H15N3
5H-s-Triazolo(5,1-a)isoindole, 2-(4-biphenylyl)- chemical structure, C21H15N3, CAS 75318-65-9
5H-s-Triazolo(5,1-a)isoindole, 2-(4-biphenylyl)-
CAS 75318-65-9C21H15N3
6-Benzyl-6H-indolo[2,3-b]quinoxaline chemical structure, C21H15N3, CAS 304003-26-7
6-Benzyl-6H-indolo[2,3-b]quinoxaline
CAS 304003-26-7C21H15N3
5'-Amino-4-methyl-1,1':3',1''-terphenyl-4',6'-dicarbonitrile chemical structure, C21H15N3, CAS 77198-51-7
5'-Amino-4-methyl-1,1':3',1''-terphenyl-4',6'-dicarbonitrile
CAS 77198-51-7C21H15N3
1,2-Diphenyl-1H-imidazo[1,2-a]benzimidazole chemical structure, C21H15N3, CAS 36289-17-5
1,2-Diphenyl-1H-imidazo[1,2-a]benzimidazole
CAS 36289-17-5C21H15N3
1H-Benzimidazole, 2-(2-phenyl-1H-indol-3-yl)- chemical structure, C21H15N3, CAS 300572-26-3
1H-Benzimidazole, 2-(2-phenyl-1H-indol-3-yl)-
CAS 300572-26-3C21H15N3
1,2,3-Triazine, 4,5,6-triphenyl- chemical structure, C21H15N3, CAS 39672-37-2
1,2,3-Triazine, 4,5,6-triphenyl-
CAS 39672-37-2C21H15N3
3-Cyclopropyl-1-phenylpyrido[1,2-a]benzimidazole-4-carbonitrile chemical structure, C21H15N3, CAS 732288-04-9
3-Cyclopropyl-1-phenylpyrido[1,2-a]benzimidazole-4-carbonitrile
CAS 732288-04-9C21H15N3
Pyrimidine, 2,4-diphenyl-5-(2-pyridinyl)- chemical structure, C21H15N3, CAS 1150633-17-2
Pyrimidine, 2,4-diphenyl-5-(2-pyridinyl)-
CAS 1150633-17-2C21H15N3
6-Methyl-1,4-diphenyl-1H-pyrrolo[2,3-b]pyridine-3-carbonitrile chemical structure, C21H15N3, CAS 59661-53-9
6-Methyl-1,4-diphenyl-1H-pyrrolo[2,3-b]pyridine-3-carbonitrile
CAS 59661-53-9C21H15N3
1,1',1''-(3-Azidocycloprop-1-ene-1,2,3-triyl)tribenzene chemical structure, C21H15N3, CAS 39672-25-8
1,1',1''-(3-Azidocycloprop-1-ene-1,2,3-triyl)tribenzene
CAS 39672-25-8C21H15N3
N-Phenyl-6H-indolo[2,3-b]quinolin-11-amine chemical structure, C21H15N3, CAS 824935-65-1
N-Phenyl-6H-indolo[2,3-b]quinolin-11-amine
CAS 824935-65-1C21H15N3
[1,1':3',1''-Terphenyl]-4',6'-dicarbonitrile, 5'-amino-2'-methyl- chemical structure, C21H15N3, CAS 36337-29-8
[1,1':3',1''-Terphenyl]-4',6'-dicarbonitrile, 5'-amino-2'-methyl-
CAS 36337-29-8C21H15N3
4-(1H-Phenanthro[9,10-d]imidazol-2-yl)aniline chemical structure, C21H15N3, CAS 852147-26-3
4-(1H-Phenanthro[9,10-d]imidazol-2-yl)aniline
CAS 852147-26-3C21H15N3
[(Diphenylmethylidene)hydrazinylidene](phenyl)acetonitrile chemical structure, C21H15N3, CAS 6080-60-0
[(Diphenylmethylidene)hydrazinylidene](phenyl)acetonitrile
CAS 6080-60-0C21H15N3

Frequently asked questions

What is the molar mass of C21H15N3?

The molar mass of C21H15N3 is 309.37 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms and 3 nitrogen atoms. The monoisotopic mass is 309.1266 Da.

How many compounds have the formula C21H15N3?

CompoundList lists 29 compounds with the molecular formula C21H15N3, including 2,6-Bis(2-pyridyl)-4-phenylpyridine, Kyaphenine, 3,5,6-Triphenyl-1,2,4-triazine. 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 C21H15N3?

C21H15N3 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.