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Molecular formula

C21H18FN3

13 compounds have this formula on CompoundList.

Molar mass
331.39g/mol
Monoisotopic mass
331.1485Da
Atoms
43
Elements
4
Rings plus double bonds
14

The formula C21H18FN3 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 fluorine atom 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 × 2176.11%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 185.48%
    1.008 × 18 = 18.144 g/mol
  • F Fluorine × 15.73%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 312.68%
    14.007 × 3 = 42.021 g/mol
Look up another formula

Compounds with the formula C21H18FN3

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

Showing 1 to 13 of 13 compounds

(2-Fluoro-benzyl)-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-benzyl]-amine chemical structure, C21H18FN3, CAS 944955-32-2
(2-Fluoro-benzyl)-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-benzyl]-amine
CAS 944955-32-2C21H18FN3
2-Fluoro-N-((2-methyl-1H-indol-3-yl)(pyridin-2-yl)methyl)aniline chemical structure, C21H18FN3, CAS 457650-53-2
2-Fluoro-N-((2-methyl-1H-indol-3-yl)(pyridin-2-yl)methyl)aniline
CAS 457650-53-2C21H18FN3
N-[(1-Benzylbenzimidazol-2-yl)methyl]-4-fluoroaniline chemical structure, C21H18FN3, CAS 364610-24-2
N-[(1-Benzylbenzimidazol-2-yl)methyl]-4-fluoroaniline
CAS 364610-24-2C21H18FN3
N-[(4-Fluorophenyl)(2-methyl-1H-indol-3-yl)methyl]pyridin-2-amine chemical structure, C21H18FN3, CAS 303033-64-9
N-[(4-Fluorophenyl)(2-methyl-1H-indol-3-yl)methyl]pyridin-2-amine
CAS 303033-64-9C21H18FN3
N-[(3-Fluorophenyl)-(2-methyl-1H-indol-3-yl)methyl]pyridin-2-amine chemical structure, C21H18FN3, CAS 618404-94-7
N-[(3-Fluorophenyl)-(2-methyl-1H-indol-3-yl)methyl]pyridin-2-amine
CAS 618404-94-7C21H18FN3
N-Benzyl-2-(4-fluorophenyl)-6-methylimidazo[1,2-a]pyridin-3-amine chemical structure, C21H18FN3, CAS 728024-50-8
N-Benzyl-2-(4-fluorophenyl)-6-methylimidazo[1,2-a]pyridin-3-amine
CAS 728024-50-8C21H18FN3
4-Fluoro-N-((2-methyl-1H-indol-3-yl)(pyridin-2-yl)methyl)aniline chemical structure, C21H18FN3, CAS 307543-58-4
4-Fluoro-N-((2-methyl-1H-indol-3-yl)(pyridin-2-yl)methyl)aniline
CAS 307543-58-4C21H18FN3
3-Fluoro-N-((2-methyl-1H-indol-3-yl)(pyridin-3-yl)methyl)aniline chemical structure, C21H18FN3, CAS 514186-40-4
3-Fluoro-N-((2-methyl-1H-indol-3-yl)(pyridin-3-yl)methyl)aniline
CAS 514186-40-4C21H18FN3
4-Fluoro-N-((2-methyl-1H-indol-3-yl)(pyridin-3-yl)methyl)aniline chemical structure, C21H18FN3, CAS 618400-26-3
4-Fluoro-N-((2-methyl-1H-indol-3-yl)(pyridin-3-yl)methyl)aniline
CAS 618400-26-3C21H18FN3
4-Fluoro-N-[(2-methyl-1H-indol-3-yl)(pyridin-4-yl)methyl]aniline chemical structure, C21H18FN3, CAS 315697-78-0
4-Fluoro-N-[(2-methyl-1H-indol-3-yl)(pyridin-4-yl)methyl]aniline
CAS 315697-78-0C21H18FN3
2-Fluoro-N-[(2-methyl-1H-indol-3-yl)(pyridin-3-yl)methyl]aniline chemical structure, C21H18FN3, CAS 618400-30-9
2-Fluoro-N-[(2-methyl-1H-indol-3-yl)(pyridin-3-yl)methyl]aniline
CAS 618400-30-9C21H18FN3
1-(4-Fluorobenzyl)-N-benzyl-1H-benzo[d]imidazol-2-amine chemical structure, C21H18FN3, CAS 225117-51-1
1-(4-Fluorobenzyl)-N-benzyl-1H-benzo[d]imidazol-2-amine
CAS 225117-51-1C21H18FN3
1-(4-Fluorophenyl)-1,2-dihydro-N-methyl-2-phenyl-4-quinazolinamine chemical structure, C21H18FN3, CAS 21317-94-2
1-(4-Fluorophenyl)-1,2-dihydro-N-methyl-2-phenyl-4-quinazolinamine
CAS 21317-94-2C21H18FN3

Frequently asked questions

What is the molar mass of C21H18FN3?

The molar mass of C21H18FN3 is 331.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 fluorine atom and 3 nitrogen atoms. The monoisotopic mass is 331.1485 Da.

How many compounds have the formula C21H18FN3?

CompoundList lists 13 compounds with the molecular formula C21H18FN3, including (2-Fluoro-benzyl)-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-benzyl]-amine, 2-Fluoro-N-((2-methyl-1H-indol-3-yl)(pyridin-2-yl)methyl)aniline, N-[(1-Benzylbenzimidazol-2-yl)methyl]-4-fluoroaniline. 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 C21H18FN3?

C21H18FN3 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.