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Molecular formula

C21H16F2N4O2

28 compounds have this formula on CompoundList.

Molar mass
394.38g/mol
Monoisotopic mass
394.1241Da
Atoms
45
Elements
5
Rings plus double bonds
15

The formula C21H16F2N4O2 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 2 fluorine atoms, 4 nitrogen atoms and 2 oxygen 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 × 2163.96%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 164.09%
    1.008 × 16 = 16.128 g/mol
  • F Fluorine × 29.63%
    18.998 × 2 = 37.996 g/mol
  • N Nitrogen × 414.21%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 28.11%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C21H16F2N4O2

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

Showing 1 to 28 of 28 compounds

(4'R,4'aR)-2'-Amino-4'-(2,6-difluorophenyl)spiro[1,3-dioxolane-2,6'-4,4a,5,7-tetrahydronaphthalene]-1',3',3'-tricarbonitrile chemical structure, C21H16F2N4O2, CAS 494792-98-2
(4'R,4'aR)-2'-Amino-4'-(2,6-difluorophenyl)spiro[1,3-dioxolane-2,6'-4,4a,5,7-tetrahydronaphthalene]-1',3',3'-tricarbonitrile
CAS 494792-98-2C21H16F2N4O2
N-(4-Fluorobenzyl)-2-{2-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide chemical structure, C21H16F2N4O2, CAS 1260925-35-6
N-(4-Fluorobenzyl)-2-{2-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide
CAS 1260925-35-6C21H16F2N4O2
N-(3-Fluoro-4-methylphenyl)-2-{2-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide chemical structure, C21H16F2N4O2, CAS 1261012-80-9
N-(3-Fluoro-4-methylphenyl)-2-{2-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide
CAS 1261012-80-9C21H16F2N4O2
2,6-Difluoro-N-(5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)-2-methylphenyl)benzamide chemical structure, C21H16F2N4O2, CAS 946322-80-1
2,6-Difluoro-N-(5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)-2-methylphenyl)benzamide
CAS 946322-80-1C21H16F2N4O2
N-[(2,4-Difluorophenyl)methyl]-2-[2-(3-phenyl-1,2,4-oxadiazol-5-yl)-1H-pyrrol-1-yl]acetamide chemical structure, C21H16F2N4O2, CAS 1775328-23-8
N-[(2,4-Difluorophenyl)methyl]-2-[2-(3-phenyl-1,2,4-oxadiazol-5-yl)-1H-pyrrol-1-yl]acetamide
CAS 1775328-23-8C21H16F2N4O2
4-Fluoro-N-{2-[2-(4-fluorophenyl)-4-oxo-4H,5H-pyrazolo[1,5-A]pyrazin-5-yl]ethyl}benzamide chemical structure, C21H16F2N4O2, CAS 1775399-73-9
4-Fluoro-N-{2-[2-(4-fluorophenyl)-4-oxo-4H,5H-pyrazolo[1,5-A]pyrazin-5-yl]ethyl}benzamide
CAS 1775399-73-9C21H16F2N4O2
6-Amino-4-[4-(difluoromethoxy)phenyl]-3-methyl-1-phenyl-1H,4H-pyrano[2,3-c]pyrazole-5-carbonitrile chemical structure, C21H16F2N4O2, CAS 304683-79-2
6-Amino-4-[4-(difluoromethoxy)phenyl]-3-methyl-1-phenyl-1H,4H-pyrano[2,3-c]pyrazole-5-carbonitrile
CAS 304683-79-2C21H16F2N4O2
N-(2,4-Difluorophenyl)-2-[2-(4-methylphenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]acetamide chemical structure, C21H16F2N4O2, CAS 941894-40-2
N-(2,4-Difluorophenyl)-2-[2-(4-methylphenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]acetamide
CAS 941894-40-2C21H16F2N4O2
2-(4-Fluorophenyl)-5-{4-[(2-fluorophenyl)carbonyl]piperazin-1-yl}-1,3-oxazole-4-carbonitrile chemical structure, C21H16F2N4O2, CAS 946308-24-3
2-(4-Fluorophenyl)-5-{4-[(2-fluorophenyl)carbonyl]piperazin-1-yl}-1,3-oxazole-4-carbonitrile
CAS 946308-24-3C21H16F2N4O2
N-(2-Fluorobenzyl)-2-(2-(3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl)-1H-pyrrol-1-yl)acetamide chemical structure, C21H16F2N4O2, CAS 1260999-51-6
N-(2-Fluorobenzyl)-2-(2-(3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl)-1H-pyrrol-1-yl)acetamide
CAS 1260999-51-6C21H16F2N4O2
5-(4-(2-Fluorobenzoyl)piperazin-1-yl)-2-(2-fluorophenyl)oxazole-4-carbonitrile chemical structure, C21H16F2N4O2, CAS 903852-60-8
5-(4-(2-Fluorobenzoyl)piperazin-1-yl)-2-(2-fluorophenyl)oxazole-4-carbonitrile
CAS 903852-60-8C21H16F2N4O2
5-(4-(4-Fluorobenzoyl)piperazin-1-yl)-2-(4-fluorophenyl)oxazole-4-carbonitrile chemical structure, C21H16F2N4O2, CAS 903864-40-4
5-(4-(4-Fluorobenzoyl)piperazin-1-yl)-2-(4-fluorophenyl)oxazole-4-carbonitrile
CAS 903864-40-4C21H16F2N4O2
5-[4-(4-Fluorobenzoyl)piperazin-1-yl]-2-(2-fluorophenyl)-1,3-oxazole-4-carbonitrile chemical structure, C21H16F2N4O2, CAS 903869-10-3
5-[4-(4-Fluorobenzoyl)piperazin-1-yl]-2-(2-fluorophenyl)-1,3-oxazole-4-carbonitrile
CAS 903869-10-3C21H16F2N4O2
N-(3,4-Difluorophenyl)-5-ethyl-3-oxo-2-phenyl-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide chemical structure, C21H16F2N4O2, CAS 921514-00-3
N-(3,4-Difluorophenyl)-5-ethyl-3-oxo-2-phenyl-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide
CAS 921514-00-3C21H16F2N4O2
2,4-Difluoro-N-(5-{6-methoxyimidazo[1,2-b]pyridazin-2-yl}-2-methylphenyl)benzamide chemical structure, C21H16F2N4O2, CAS 946217-42-1
2,4-Difluoro-N-(5-{6-methoxyimidazo[1,2-b]pyridazin-2-yl}-2-methylphenyl)benzamide
CAS 946217-42-1C21H16F2N4O2
N-(2-Fluoro-5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)-2-(4-fluorophenyl)acetamide chemical structure, C21H16F2N4O2, CAS 955618-80-1
N-(2-Fluoro-5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)-2-(4-fluorophenyl)acetamide
CAS 955618-80-1C21H16F2N4O2
N-(2-Fluoro-4-methylphenyl)-2-{2-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide chemical structure, C21H16F2N4O2, CAS 1260993-36-9
N-(2-Fluoro-4-methylphenyl)-2-{2-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide
CAS 1260993-36-9C21H16F2N4O2
N-(3,4-Difluorophenyl)-2-{2-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide chemical structure, C21H16F2N4O2, CAS 1260938-31-5
N-(3,4-Difluorophenyl)-2-{2-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide
CAS 1260938-31-5C21H16F2N4O2
N-(2,5-Difluorophenyl)-2-(4-oxo-2-(p-tolyl)pyrazolo[1,5-a]pyrazin-5(4H)-yl)acetamide chemical structure, C21H16F2N4O2, CAS 941894-49-1
N-(2,5-Difluorophenyl)-2-(4-oxo-2-(p-tolyl)pyrazolo[1,5-a]pyrazin-5(4H)-yl)acetamide
CAS 941894-49-1C21H16F2N4O2
N-[(2,6-Difluorophenyl)methyl]-5-methyl-3-oxo-2-phenyl-2H,3H,5H-pyrazolo[4,3-c]pyridine-7-carboxamide chemical structure, C21H16F2N4O2, CAS 921833-09-2
N-[(2,6-Difluorophenyl)methyl]-5-methyl-3-oxo-2-phenyl-2H,3H,5H-pyrazolo[4,3-c]pyridine-7-carboxamide
CAS 921833-09-2C21H16F2N4O2
N-(2,4-Difluorophenyl)-5-ethyl-3-oxo-2-phenyl-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide chemical structure, C21H16F2N4O2, CAS 921881-01-8
N-(2,4-Difluorophenyl)-5-ethyl-3-oxo-2-phenyl-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide
CAS 921881-01-8C21H16F2N4O2
4-((1H-Imidazol-1-yl)methyl)-N-((5-(2,4-difluorophenyl)isoxazol-3-yl)methyl)benzamide chemical structure, C21H16F2N4O2, CAS 1211153-57-9
4-((1H-Imidazol-1-yl)methyl)-N-((5-(2,4-difluorophenyl)isoxazol-3-yl)methyl)benzamide
CAS 1211153-57-9C21H16F2N4O2
4-(4'-Fluoro-[1,1'-biphenyl]-4-carbonyl)-1-(5-fluoropyrimidin-2-yl)piperazin-2-one chemical structure, C21H16F2N4O2, CAS 2309748-33-0
4-(4'-Fluoro-[1,1'-biphenyl]-4-carbonyl)-1-(5-fluoropyrimidin-2-yl)piperazin-2-one
CAS 2309748-33-0C21H16F2N4O2
2-Cyano-3-(2,5-difluorophenyl)-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)prop-2-enamide chemical structure, C21H16F2N4O2, CAS 1181471-98-6
2-Cyano-3-(2,5-difluorophenyl)-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)prop-2-enamide
CAS 1181471-98-6C21H16F2N4O2

Frequently asked questions

What is the molar mass of C21H16F2N4O2?

The molar mass of C21H16F2N4O2 is 394.38 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 2 fluorine atoms, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 394.1241 Da.

How many compounds have the formula C21H16F2N4O2?

CompoundList lists 28 compounds with the molecular formula C21H16F2N4O2, including (4'R,4'aR)-2'-Amino-4'-(2,6-difluorophenyl)spiro[1,3-dioxolane-2,6'-4,4a,5,7-tetrahydronaphthalene]-1',3',3'-tricarbonitrile, N-(4-Fluorobenzyl)-2-{2-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide, N-(3-Fluoro-4-methylphenyl)-2-{2-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide. 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 C21H16F2N4O2?

C21H16F2N4O2 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.