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Molecular formula

C21H20F2N2O3

15 compounds have this formula on CompoundList.

Molar mass
386.40g/mol
Monoisotopic mass
386.1442Da
Atoms
48
Elements
5
Rings plus double bonds
12

The formula C21H20F2N2O3 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 fluorine atoms, 2 nitrogen atoms and 3 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 × 2165.28%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 205.22%
    1.008 × 20 = 20.160 g/mol
  • F Fluorine × 29.83%
    18.998 × 2 = 37.996 g/mol
  • N Nitrogen × 27.25%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 312.42%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H20F2N2O3

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

Showing 1 to 15 of 15 compounds

1-[2-(Dimethylamino)ethyl]-4-(4-fluorobenzoyl)-5-(2-fluorophenyl)-3-hydroxy-2,5-dihydro-1H-pyrrol-2-one chemical structure, C21H20F2N2O3, CAS 381208-16-8
1-[2-(Dimethylamino)ethyl]-4-(4-fluorobenzoyl)-5-(2-fluorophenyl)-3-hydroxy-2,5-dihydro-1H-pyrrol-2-one
CAS 381208-16-8C21H20F2N2O3
4-(Difluoromethoxy)-N-[2-oxo-2-(4-phenyl-3,6-dihydro-2H-pyridin-1-yl)ethyl]benzamide chemical structure, C21H20F2N2O3, CAS 876868-27-8
4-(Difluoromethoxy)-N-[2-oxo-2-(4-phenyl-3,6-dihydro-2H-pyridin-1-yl)ethyl]benzamide
CAS 876868-27-8C21H20F2N2O3
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-2,6-difluorobenzamide chemical structure, C21H20F2N2O3, CAS 921564-19-4
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-2,6-difluorobenzamide
CAS 921564-19-4C21H20F2N2O3
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-3,4-difluorobenzamide chemical structure, C21H20F2N2O3, CAS 921790-99-0
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-3,4-difluorobenzamide
CAS 921790-99-0C21H20F2N2O3
1-[2-(Dimethylamino)ethyl]-4-(4-fluorobenzoyl)-5-(4-fluorophenyl)-3-hydroxy-2,5-dihydro-1H-pyrrol-2-one chemical structure, C21H20F2N2O3, CAS 431921-81-2
1-[2-(Dimethylamino)ethyl]-4-(4-fluorobenzoyl)-5-(4-fluorophenyl)-3-hydroxy-2,5-dihydro-1H-pyrrol-2-one
CAS 431921-81-2C21H20F2N2O3
N-(3,4-Difluorophenyl)-3-(3,3-dimethylbutanamido)benzofuran-2-carboxamide chemical structure, C21H20F2N2O3, CAS 888443-40-1
N-(3,4-Difluorophenyl)-3-(3,3-dimethylbutanamido)benzofuran-2-carboxamide
CAS 888443-40-1C21H20F2N2O3
N-(3,4-Difluorophenyl)-3-(2-ethylbutanamido)benzofuran-2-carboxamide chemical structure, C21H20F2N2O3, CAS 888443-47-8
N-(3,4-Difluorophenyl)-3-(2-ethylbutanamido)benzofuran-2-carboxamide
CAS 888443-47-8C21H20F2N2O3
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-3,4-difluorobenzamide chemical structure, C21H20F2N2O3, CAS 921869-55-8
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-3,4-difluorobenzamide
CAS 921869-55-8C21H20F2N2O3
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-2,6-difluorobenzamide chemical structure, C21H20F2N2O3, CAS 921545-43-9
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-2,6-difluorobenzamide
CAS 921545-43-9C21H20F2N2O3
N-(2-Cyano-3,4-dihydro-1H-naphthalen-2-yl)-2-[3-(difluoromethoxy)-4-methoxyphenyl]acetamide chemical structure, C21H20F2N2O3, CAS 2176573-26-3
N-(2-Cyano-3,4-dihydro-1H-naphthalen-2-yl)-2-[3-(difluoromethoxy)-4-methoxyphenyl]acetamide
CAS 2176573-26-3C21H20F2N2O3
5-(Benzyloxy)-N-(4,4-difluoropyrrolidin-3-yl)-2-methylbenzofuran-3-carboxamide chemical structure, C21H20F2N2O3, CAS 2776194-01-3
5-(Benzyloxy)-N-(4,4-difluoropyrrolidin-3-yl)-2-methylbenzofuran-3-carboxamide
CAS 2776194-01-3C21H20F2N2O3
2-Cyano-3-[4-(difluoromethoxy)-3-methoxyphenyl]-N-(2,4,6-trimethylphenyl)prop-2-enamide chemical structure, C21H20F2N2O3, CAS 571163-97-8
2-Cyano-3-[4-(difluoromethoxy)-3-methoxyphenyl]-N-(2,4,6-trimethylphenyl)prop-2-enamide
CAS 571163-97-8C21H20F2N2O3
Benzyl 4,6-difluoro-1-methyl-2-oxospiro[indoline-3,4'-piperidine]-1'-carboxylate chemical structure, C21H20F2N2O3, CAS 2171390-03-5
Benzyl 4,6-difluoro-1-methyl-2-oxospiro[indoline-3,4'-piperidine]-1'-carboxylate
CAS 2171390-03-5C21H20F2N2O3
tert-Butyl 3-((5-cyano-3',4'-difluoro-[1,1'-biphenyl]-2-yl)oxy)azetidine-1-carboxylate chemical structure, C21H20F2N2O3, CAS 2938648-13-4
tert-Butyl 3-((5-cyano-3',4'-difluoro-[1,1'-biphenyl]-2-yl)oxy)azetidine-1-carboxylate
CAS 2938648-13-4C21H20F2N2O3
tert-Butyl 3-((5-cyano-2',4'-difluoro-[1,1'-biphenyl]-2-yl)oxy)azetidine-1-carboxylate chemical structure, C21H20F2N2O3, CAS 2973051-60-2
tert-Butyl 3-((5-cyano-2',4'-difluoro-[1,1'-biphenyl]-2-yl)oxy)azetidine-1-carboxylate
CAS 2973051-60-2C21H20F2N2O3

Frequently asked questions

What is the molar mass of C21H20F2N2O3?

The molar mass of C21H20F2N2O3 is 386.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 fluorine atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 386.1442 Da.

How many compounds have the formula C21H20F2N2O3?

CompoundList lists 15 compounds with the molecular formula C21H20F2N2O3, including 1-[2-(Dimethylamino)ethyl]-4-(4-fluorobenzoyl)-5-(2-fluorophenyl)-3-hydroxy-2,5-dihydro-1H-pyrrol-2-one, 4-(Difluoromethoxy)-N-[2-oxo-2-(4-phenyl-3,6-dihydro-2H-pyridin-1-yl)ethyl]benzamide, N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-2,6-difluorobenzamide. 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 C21H20F2N2O3?

C21H20F2N2O3 has a degree of unsaturation of 12. 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.