C21H18N2
63 compounds have this formula on CompoundList.
- Molar mass
- 298.39g/mol
- Monoisotopic mass
- 298.1470Da
- Atoms
- 41
- Elements
- 3
- Rings plus double bonds
- 14
The formula C21H18N2 describes a molecule made of 21 carbon atoms, 18 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 × 2184.53%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 186.08%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 29.39%14.007 × 2 = 28.014 g/mol
Compounds with the formula C21H18N2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 63 of 63 compounds
![N-[(E)-(9-Ethyl-9H-carbazol-3-yl)methylidene]aniline chemical structure, C21H18N2, CAS 19850-06-7](/s/LLTLKCGHMKZLBU-UHFFFAOYSA-N.svg)
![4-Biphenyl-4-YL-2,3-dihydro-1H-benzo[B][1,4]diazepine chemical structure, C21H18N2, CAS 904814-66-0](/s/JRUYMXUUBSYDJN-UHFFFAOYSA-N.svg)
![1H-Pyrazole, 3-[1,1'-biphenyl]-4-yl-4,5-dihydro-1-phenyl- chemical structure, C21H18N2, CAS 3314-45-2](/s/UMRDYXDMHIWPEW-UHFFFAOYSA-N.svg)
![(R)-N-Methyl-[1,1'-binaphthalene]-2,2'-diamine chemical structure, C21H18N2, CAS 1187857-13-1](/s/SNDHBKHOJVXISS-UHFFFAOYSA-N.svg)
- 1-Indanone diphenylhydrazone66832-49-3C21H18N2
- 4-(Dibenzylamino)benzonitrile52805-39-7C21H18N2
- 2-(1,1-Diphenylethyl)-1H-benzimidazole41274-59-3C21H18N2
- 5,10-Dimethyl-6,12-diazapentacyclo[11.8.0.02,11.04,9.014,19]henicosa-1(13),2,4(9),5,10,14,16,18,20-nonaene4241-43-4C21H18N2
- 1H-Pyrrolizine-5-acetonitrile, 2,3-dihydro-6,7-diphenyl-105577-50-2C21H18N2
- 3-Anilino-2,3-diphenylpropanenitrile1434-04-4C21H18N2
- Geqbwkagtpapdp-uhfffaoysa-72962-14-2C21H18N2
- 1-Benzyl-6-methyl-2-phenyl-1H-benzimidazole24781-11-1C21H18N2
- 6H-Quino(2,3,4-kl)acridine, 7,8-dihydro-7,7-dimethyl-100259-60-7C21H18N2
- 1,3,5-Triphenyl-2,3-dihydro-1H-pyrazole28778-12-3C21H18N2
- 2,2'-([1,1'-Biphenyl]-4-ylmethylene)bis(1H-pyrrole)1514785-94-4C21H18N2
- Chalcone phenylhydrazone37799-62-5C21H18N2
- Benzyl-3-(4-methylphenyl)-1H-indazole232935-08-9C21H18N2
- Cyclopent[b]indole-2-propanenitrile, 1,4-dihydro-4-methyl-3-phenyl-828937-88-8C21H18N2
- 2-Benzyl-7-methyl-3-phenyl-2H-indazole875785-53-8C21H18N2
- 4,5-Dihydro-3,4,5-triphenyl-1H-pyrazole10539-18-1C21H18N2
- 3H-Indol-2-amine, 3-phenyl-3-(phenylmethyl)-61352-08-7C21H18N2
- N-(Diphenylmethylene)-Na(2)-methylbenzenecarboximidamide61033-38-3C21H18N2
- 1-([1,1'-Biphenyl]-3-yl)-1-methyl-1H-isoindol-3-amine917776-60-4C21H18N2
- 1-(2,6-Dimethylphenyl)-2-phenyl-1H-benzo[d]imidazole1802045-91-5C21H18N2
- 2-(4-Methylphenyl)-3-phenyl-2H-isoindol-1-amine106697-64-7C21H18N2
- N-(1-Naphthalenylmethylene)-1H-indole-3-ethanamine16841-85-3C21H18N2
- 3-Benzyl-2-(2-methylphenyl)imidazo[1,2-a]pyridine1353985-65-5C21H18N2
- N-[(1,2-Dimethyl-1H-indol-3-yl)methylene]-2-naphthalenamine886768-96-3C21H18N2
- 1-(9H-Fluoren-9-yl)ethanone 2-phenylhydrazone4747-42-6C21H18N2
- N-(4-Ethylphenyl)acridin-9-amine75651-10-4C21H18N2
- N'-[(E)-1,2-Diphenylethenyl]benzenecarboximidamide35424-75-0C21H18N2
- N-(4-Methylphenyl)-3-phenyl-1H-indol-1-amine94941-15-8C21H18N2
- 6-Methyl-2,4-diphenyl-1,4-dihydroquinazoline128256-22-4C21H18N2
- N-(4-Methylphenyl)-2-phenyl-1H-indol-3-amine19177-38-9C21H18N2
- (E)-1-(1,3-Diphenylprop-1-en-2-yl)-2-phenyldiazene51849-76-4C21H18N2
- 4-Methyl-3-[1-(2-naphthalenylmethyl)-1H-pyrrol-3-yl]pyridine504398-08-7C21H18N2
- Bis(2-methylquinolin-6-yl)methane212072-86-1C21H18N2
- 4,4'-((2-Methyl-1,4-phenylene)bis(ethene-2,1-diyl))dipyridine2446431-88-3C21H18N2
- 2-[4-(4-Ethylphenyl)phenyl]-1H-benzimidazole154050-28-9C21H18N2
- 1-Benzyl-5-methyl-2-phenyl-1H-pyrrolo[2,3-B]pyridine2114393-31-4C21H18N2
- Bis(4-methylquinolin-6-yl)methane855639-83-7C21H18N2
- 6-Amino-2'-(4-methylbenzyl)-[1,1'-biphenyl]-3-carbonitrile2416344-72-2C21H18N2
- 1-(1H-Indol-3-yl)-N-[(1R)-1-naphthalen-1-ylethyl]methanimine254745-47-6C21H18N2
Frequently asked questions
What is the molar mass of C21H18N2?
The molar mass of C21H18N2 is 298.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms and 2 nitrogen atoms. The monoisotopic mass is 298.1470 Da.
How many compounds have the formula C21H18N2?
CompoundList lists 63 compounds with the molecular formula C21H18N2, including 1H-Pyrazole, 4,5-dihydro-1,3,5-triphenyl-, 1,2-Dibenzyl-1H-1,3-benzodiazole, Hydrobenzamide. 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 C21H18N2?
C21H18N2 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.