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Molecular formula

C21H16FN3O

22 compounds have this formula on CompoundList.

Molar mass
345.38g/mol
Monoisotopic mass
345.1277Da
Atoms
42
Elements
5
Rings plus double bonds
15

The formula C21H16FN3O describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms and 1 oxygen atom. 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 × 2173.03%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 164.67%
    1.008 × 16 = 16.128 g/mol
  • F Fluorine × 15.50%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 312.17%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 14.63%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C21H16FN3O

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

Showing 1 to 22 of 22 compounds

7-((2-Fluorophenyl)(pyridin-2-ylamino)methyl)quinolin-8-ol chemical structure, C21H16FN3O, CAS 442642-02-6
7-((2-Fluorophenyl)(pyridin-2-ylamino)methyl)quinolin-8-ol
CAS 442642-02-6C21H16FN3O
7-[(4-Fluorophenyl)-(pyridin-2-ylamino)methyl]quinolin-8-ol chemical structure, C21H16FN3O, CAS 308298-20-6
7-[(4-Fluorophenyl)-(pyridin-2-ylamino)methyl]quinolin-8-ol
CAS 308298-20-6C21H16FN3O
7-(((4-Fluorophenyl)amino)(pyridin-4-yl)methyl)quinolin-8-ol chemical structure, C21H16FN3O, CAS 308298-23-9
7-(((4-Fluorophenyl)amino)(pyridin-4-yl)methyl)quinolin-8-ol
CAS 308298-23-9C21H16FN3O
LolCDE-IN-1 chemical structure, C21H16FN3O, CAS 1639933-78-0
LolCDE-IN-1
CAS 1639933-78-0C21H16FN3O
7-((3-Fluorophenyl)(pyridin-2-ylamino)methyl)quinolin-8-ol chemical structure, C21H16FN3O, CAS 315698-37-4
7-((3-Fluorophenyl)(pyridin-2-ylamino)methyl)quinolin-8-ol
CAS 315698-37-4C21H16FN3O
N-(4-(1H-Benzo[d]imidazol-2-yl)phenyl)-2-(4-fluorophenyl)acetamide chemical structure, C21H16FN3O, CAS 941946-45-8
N-(4-(1H-Benzo[d]imidazol-2-yl)phenyl)-2-(4-fluorophenyl)acetamide
CAS 941946-45-8C21H16FN3O
4-[5-(4-Fluoro-phenyl)-2-(4-methoxy-phenyl)-3H-imidazol-4-yl]-pyridine chemical structure, C21H16FN3O, CAS 152121-61-4
4-[5-(4-Fluoro-phenyl)-2-(4-methoxy-phenyl)-3H-imidazol-4-yl]-pyridine
CAS 152121-61-4C21H16FN3O
3-Fluoro-N-(4-{8-methylimidazo[1,2-A]pyridin-2-YL}phenyl)benzamide chemical structure, C21H16FN3O, CAS 838607-54-8
3-Fluoro-N-(4-{8-methylimidazo[1,2-A]pyridin-2-YL}phenyl)benzamide
CAS 838607-54-8C21H16FN3O
2-Fluoro-N-(7-methyl-2-phenylimidazo[1,2-a]pyridin-3-yl)benzamide chemical structure, C21H16FN3O, CAS 850932-00-2
2-Fluoro-N-(7-methyl-2-phenylimidazo[1,2-a]pyridin-3-yl)benzamide
CAS 850932-00-2C21H16FN3O
5-(4-Fluorophenyl)-2-(pyridin-3-yl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine chemical structure, C21H16FN3O, CAS 868155-35-5
5-(4-Fluorophenyl)-2-(pyridin-3-yl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine
CAS 868155-35-5C21H16FN3O
2-[6-(3-Fluoro-4-methoxyphenyl)-5-methylpyridin-2-yl]-quinazoline chemical structure, C21H16FN3O, CAS 1257054-06-0
2-[6-(3-Fluoro-4-methoxyphenyl)-5-methylpyridin-2-yl]-quinazoline
CAS 1257054-06-0C21H16FN3O
N-[2-(4-Fluorophenyl)imidazo[1,2-a]pyridin-3-yl]-2-phenylacetamide chemical structure, C21H16FN3O, CAS 850929-82-7
N-[2-(4-Fluorophenyl)imidazo[1,2-a]pyridin-3-yl]-2-phenylacetamide
CAS 850929-82-7C21H16FN3O
N-(2-(1H-Benzo[d]imidazol-2-yl)phenyl)-2-(4-fluorophenyl)acetamide chemical structure, C21H16FN3O, CAS 899958-46-4
N-(2-(1H-Benzo[d]imidazol-2-yl)phenyl)-2-(4-fluorophenyl)acetamide
CAS 899958-46-4C21H16FN3O
N-(3-(1H-Benzo[d]imidazol-2-yl)phenyl)-2-(4-fluorophenyl)acetamide chemical structure, C21H16FN3O, CAS 899958-52-2
N-(3-(1H-Benzo[d]imidazol-2-yl)phenyl)-2-(4-fluorophenyl)acetamide
CAS 899958-52-2C21H16FN3O
N-[Cyano-(2-fluorophenyl)methyl]-2-methyl-3-pyridin-2-ylbenzamide chemical structure, C21H16FN3O, CAS 1436354-24-3
N-[Cyano-(2-fluorophenyl)methyl]-2-methyl-3-pyridin-2-ylbenzamide
CAS 1436354-24-3C21H16FN3O
2-(2-Fluorophenyl)-N-(2-(imidazo[1,2-a]pyridin-2-yl)phenyl)acetamide chemical structure, C21H16FN3O, CAS 1798514-44-9
2-(2-Fluorophenyl)-N-(2-(imidazo[1,2-a]pyridin-2-yl)phenyl)acetamide
CAS 1798514-44-9C21H16FN3O
3-Fluoro-4-methyl-5-(1-phenyl-1H-indazol-5-yl)benzamide chemical structure, C21H16FN3O, CAS 861904-37-2
3-Fluoro-4-methyl-5-(1-phenyl-1H-indazol-5-yl)benzamide
CAS 861904-37-2C21H16FN3O
3-Fluoro-N-{7-methyl-2-phenylimidazo[1,2-a]pyridin-3-yl}benzamide chemical structure, C21H16FN3O, CAS 850932-02-4
3-Fluoro-N-{7-methyl-2-phenylimidazo[1,2-a]pyridin-3-yl}benzamide
CAS 850932-02-4C21H16FN3O
N-[2-(4-Fluorophenyl)-6-methylimidazo[1,2-a]pyridin-3-yl]benzamide chemical structure, C21H16FN3O, CAS 893691-19-5
N-[2-(4-Fluorophenyl)-6-methylimidazo[1,2-a]pyridin-3-yl]benzamide
CAS 893691-19-5C21H16FN3O
N-[2-(4-Fluorophenyl)-7-methylimidazo[1,2-a]pyridin-3-yl]benzamide chemical structure, C21H16FN3O, CAS 893690-86-3
N-[2-(4-Fluorophenyl)-7-methylimidazo[1,2-a]pyridin-3-yl]benzamide
CAS 893690-86-3C21H16FN3O
2-Propenamide, 3-(4-fluorophenyl)-N-[4-(2-phenyldiazenyl)phenyl]- chemical structure, C21H16FN3O, CAS 574722-80-8
2-Propenamide, 3-(4-fluorophenyl)-N-[4-(2-phenyldiazenyl)phenyl]-
CAS 574722-80-8C21H16FN3O
5-[(4-Ethenylphenyl)methyl]-2-(4-fluorophenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one chemical structure, C21H16FN3O, CAS 2325664-14-8
5-[(4-Ethenylphenyl)methyl]-2-(4-fluorophenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one
CAS 2325664-14-8C21H16FN3O

Frequently asked questions

What is the molar mass of C21H16FN3O?

The molar mass of C21H16FN3O is 345.38 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 345.1277 Da.

How many compounds have the formula C21H16FN3O?

CompoundList lists 22 compounds with the molecular formula C21H16FN3O, including 7-((2-Fluorophenyl)(pyridin-2-ylamino)methyl)quinolin-8-ol, 7-[(4-Fluorophenyl)-(pyridin-2-ylamino)methyl]quinolin-8-ol, 7-(((4-Fluorophenyl)amino)(pyridin-4-yl)methyl)quinolin-8-ol. 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 C21H16FN3O?

C21H16FN3O 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.