C21H16N2
44 compounds have this formula on CompoundList.
- Molar mass
- 296.37g/mol
- Monoisotopic mass
- 296.1313Da
- Atoms
- 39
- Elements
- 3
- Rings plus double bonds
- 15
The formula C21H16N2 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms and 2 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 × 2185.11%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 165.44%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 29.45%14.007 × 2 = 28.014 g/mol
Compounds with the formula C21H16N2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 44 of 44 compounds
![5,10-Dimethyl-6,12-diazapentacyclo[11.8.0.02,11.04,9.014,19]henicosa-1(13),2,4,7,9,11,14,16,18,20-decaene chemical structure, C21H16N2, CAS 5523-65-9](/s/SOUWYTOGNITZJX-UHFFFAOYSA-N.svg)
![1-((9H-Fluoren-9-yl)methyl)-1H-benzo[d]imidazole chemical structure, C21H16N2, CAS 505050-12-4](/s/QRLQSDFIOJWNHQ-UHFFFAOYSA-N.svg)
- 3-Methyl-2,4-diphenyl-1,8-naphthyridine1383677-26-6C21H16N2
- 2,4,5-Triphenyl-2H-imidazole2039-07-8C21H16N2
- 9-(p-Aminostyryl)acridine23045-49-0C21H16N2
- 2,3-Diphenyl-5H-1,4-benzodiazepine95578-13-5C21H16N2
- 9-(Indolin-1-yl)acridine139117-65-0C21H16N2
- 10,11-Dihydro-3-phenyl-3H-naphth[1,2-g]indazole18618-68-3C21H16N2
- 4-[2-(4-Anilinophenyl)ethenyl]benzonitrile676357-31-6C21H16N2
- N,2-Diphenyl-8-quinolinamine871507-81-2C21H16N2
- 12,13-Dihydro-11H-10b,13a-diazabenzo[2,3]azuleno[7,8,1-lma]fluorene60492-62-8C21H16N2
- N-[(2-Phenyl-1H-indol-3-yl)methylene]benzenamine138469-53-1C21H16N2
- 3-Phenyl-N-(phenylmethylene)-1H-indol-1-amine1457-43-8C21H16N2
- 3-([1,1'-Biphenyl]-4-yl)quinolin-2-amine33708-85-9C21H16N2
- 1,4-Diphenyl-5,8-dihydro-5,8-methanophthalazine203982-88-1C21H16N2
- 2-Methyl-1-(4-methylphenyl)-1H-benzo[F]indole-3-carbonitrile922184-68-7C21H16N2
- 1-[1,1'-Biphenyl]-2-yl-3-phenyl-1H-pyrazole2489292-29-5C21H16N2
- 2,3-Diphenyl-3-phenylamino-acrylonitrile41353-59-7C21H16N2
- 3-Benzyl-4-phenylcinnoline855161-46-5C21H16N2
- 3-(4-Aminophenyl)-2,3-diphenylacrylonitrile126159-22-6C21H16N2
- 4-(9-Methyl-9,10-dihydroacridin-9-yl)benzonitrile2624307-15-7C21H16N2
- 4-(10,11-Dihydro-5H-dibenzo[b,f]azepin-5-yl)benzonitrile1980874-19-8C21H16N2
Frequently asked questions
What is the molar mass of C21H16N2?
The molar mass of C21H16N2 is 296.37 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms and 2 nitrogen atoms. The monoisotopic mass is 296.1313 Da.
How many compounds have the formula C21H16N2?
CompoundList lists 44 compounds with the molecular formula C21H16N2, including 2,4,5-Triphenylimidazole, 1,3,5-Triphenylpyrazole, 6-Methyl-4-phenyl-2-(pyridin-4-yl)quinoline. 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 C21H16N2?
C21H16N2 has a degree of unsaturation of 15. 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.