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Molecular formula

C21H20FNO3

27 compounds have this formula on CompoundList.

Molar mass
353.39g/mol
Monoisotopic mass
353.1427Da
Atoms
46
Elements
5
Rings plus double bonds
12

The formula C21H20FNO3 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 1 fluorine atom, 1 nitrogen atom 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 × 2171.37%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 205.70%
    1.008 × 20 = 20.160 g/mol
  • F Fluorine × 15.38%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 13.96%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 313.58%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H20FNO3

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

Showing 1 to 27 of 27 compounds

[2-Fluoro-4-[2-(4-methoxyphenyl)ethynyl]phenyl]-[(3R)-3-hydroxypiperidin-1-yl]methanone chemical structure, C21H20FNO3, CAS 1443118-44-2
[2-Fluoro-4-[2-(4-methoxyphenyl)ethynyl]phenyl]-[(3R)-3-hydroxypiperidin-1-yl]methanone
CAS 1443118-44-2C21H20FNO3
2-[[2-[(2-Fluorophenyl)methoxy]-3-methoxyphenyl]methylamino]phenol chemical structure, C21H20FNO3, CAS 775294-56-9
2-[[2-[(2-Fluorophenyl)methoxy]-3-methoxyphenyl]methylamino]phenol
CAS 775294-56-9C21H20FNO3
(Z)-2-(4-Fluorobenzylidene)-6-hydroxy-7-(piperidin-1-ylmethyl)benzofuran-3(2H)-one chemical structure, C21H20FNO3, CAS 869077-31-6
(Z)-2-(4-Fluorobenzylidene)-6-hydroxy-7-(piperidin-1-ylmethyl)benzofuran-3(2H)-one
CAS 869077-31-6C21H20FNO3
2-Phenylethyl 4-(2-fluorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate chemical structure, C21H20FNO3, CAS 6070-47-9
2-Phenylethyl 4-(2-fluorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate
CAS 6070-47-9C21H20FNO3
1-(1-Benzyl-2-hydroxyethyl)-3-(4-fluorobenzyl)-4-hydroxy-2(1H)-pyridinone chemical structure, C21H20FNO3, CAS 477856-04-5
1-(1-Benzyl-2-hydroxyethyl)-3-(4-fluorobenzyl)-4-hydroxy-2(1H)-pyridinone
CAS 477856-04-5C21H20FNO3
3-(4-Fluorophenyl)-9-(2-methylpropyl)-9,10-dihydro-4H,8H-chromeno[8,7-e][1,3]oxazin-4-one chemical structure, C21H20FNO3, CAS 1010889-11-8
3-(4-Fluorophenyl)-9-(2-methylpropyl)-9,10-dihydro-4H,8H-chromeno[8,7-e][1,3]oxazin-4-one
CAS 1010889-11-8C21H20FNO3
(Z)-2-(3-Fluorobenzylidene)-6-hydroxy-7-(piperidin-1-ylmethyl)benzofuran-3(2H)-one chemical structure, C21H20FNO3, CAS 896822-50-7
(Z)-2-(3-Fluorobenzylidene)-6-hydroxy-7-(piperidin-1-ylmethyl)benzofuran-3(2H)-one
CAS 896822-50-7C21H20FNO3
(Z)-2-(2-Fluorobenzylidene)-6-hydroxy-7-(piperidin-1-ylmethyl)benzofuran-3(2H)-one chemical structure, C21H20FNO3, CAS 869077-32-7
(Z)-2-(2-Fluorobenzylidene)-6-hydroxy-7-(piperidin-1-ylmethyl)benzofuran-3(2H)-one
CAS 869077-32-7C21H20FNO3
3-(4-Fluorophenyl)-2-methyl-9-propyl-9,10-dihydrochromeno[8,7-e][1,3]oxazin-4(8H)-one chemical structure, C21H20FNO3, CAS 1010874-98-2
3-(4-Fluorophenyl)-2-methyl-9-propyl-9,10-dihydrochromeno[8,7-e][1,3]oxazin-4(8H)-one
CAS 1010874-98-2C21H20FNO3
2-(4-Fluorophenoxy)-N-[3-hydroxy-3-(naphthalen-1-yl)propyl]acetamide chemical structure, C21H20FNO3, CAS 1421464-50-7
2-(4-Fluorophenoxy)-N-[3-hydroxy-3-(naphthalen-1-yl)propyl]acetamide
CAS 1421464-50-7C21H20FNO3
3-[(4-Fluorophenyl)methyl]-6,7,10-trimethyl-2,4-dihydropyrano[3,2-g][1,3]benzoxazin-8-one chemical structure, C21H20FNO3, CAS 4580-60-3
3-[(4-Fluorophenyl)methyl]-6,7,10-trimethyl-2,4-dihydropyrano[3,2-g][1,3]benzoxazin-8-one
CAS 4580-60-3C21H20FNO3
9-(2-Fluorobenzyl)-4-propyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one chemical structure, C21H20FNO3, CAS 848986-34-5
9-(2-Fluorobenzyl)-4-propyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one
CAS 848986-34-5C21H20FNO3
9-[2-(4-Fluorophenyl)ethyl]-3,4-dimethyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one chemical structure, C21H20FNO3, CAS 849034-27-1
9-[2-(4-Fluorophenyl)ethyl]-3,4-dimethyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one
CAS 849034-27-1C21H20FNO3
9-(4-Fluorobenzyl)-4-propyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one chemical structure, C21H20FNO3, CAS 844827-05-0
9-(4-Fluorobenzyl)-4-propyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one
CAS 844827-05-0C21H20FNO3
3-Ethyl-9-(4-fluorobenzyl)-4-methyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one chemical structure, C21H20FNO3, CAS 848743-59-9
3-Ethyl-9-(4-fluorobenzyl)-4-methyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one
CAS 848743-59-9C21H20FNO3
3-(2-Fluorophenyl)-2-methyl-9-(propan-2-yl)-9,10-dihydro-4H,8H-chromeno[8,7-e][1,3]oxazin-4-one chemical structure, C21H20FNO3, CAS 1010897-84-3
3-(2-Fluorophenyl)-2-methyl-9-(propan-2-yl)-9,10-dihydro-4H,8H-chromeno[8,7-e][1,3]oxazin-4-one
CAS 1010897-84-3C21H20FNO3
4-Ethyl-9-[2-(4-fluorophenyl)ethyl]-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one chemical structure, C21H20FNO3, CAS 848736-24-3
4-Ethyl-9-[2-(4-fluorophenyl)ethyl]-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one
CAS 848736-24-3C21H20FNO3
N-(1,3-Benzodioxol-5-ylmethyl)-3-(4-fluorophenyl)-3-(furan-2-yl)propan-1-amine chemical structure, C21H20FNO3, CAS 488130-23-0
N-(1,3-Benzodioxol-5-ylmethyl)-3-(4-fluorophenyl)-3-(furan-2-yl)propan-1-amine
CAS 488130-23-0C21H20FNO3
3-Ethyl-9-(2-fluorobenzyl)-4-methyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one chemical structure, C21H20FNO3, CAS 861651-61-8
3-Ethyl-9-(2-fluorobenzyl)-4-methyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one
CAS 861651-61-8C21H20FNO3
4-Benzoyl-5-(2-fluorophenyl)-1,5-dihydro-3-hydroxy-1-(2-methylpropyl)-2H-pyrrol-2-one chemical structure, C21H20FNO3, CAS 338430-80-1
4-Benzoyl-5-(2-fluorophenyl)-1,5-dihydro-3-hydroxy-1-(2-methylpropyl)-2H-pyrrol-2-one
CAS 338430-80-1C21H20FNO3
2-(4-Fluorophenoxy)-N-(furan-2-ylmethyl)-N-(4-methylbenzyl)acetamide chemical structure, C21H20FNO3, CAS 879932-70-4
2-(4-Fluorophenoxy)-N-(furan-2-ylmethyl)-N-(4-methylbenzyl)acetamide
CAS 879932-70-4C21H20FNO3
N-(4-Fluorobenzyl)-N-(furan-2-ylmethyl)-2-(4-methylphenoxy)acetamide chemical structure, C21H20FNO3, CAS 874140-31-5
N-(4-Fluorobenzyl)-N-(furan-2-ylmethyl)-2-(4-methylphenoxy)acetamide
CAS 874140-31-5C21H20FNO3
3-(2-Fluorophenyl)-N-(2-(4-(furan-2-yl)phenyl)-2-hydroxyethyl)propanamide chemical structure, C21H20FNO3, CAS 2320724-94-3
3-(2-Fluorophenyl)-N-(2-(4-(furan-2-yl)phenyl)-2-hydroxyethyl)propanamide
CAS 2320724-94-3C21H20FNO3
4-Butyl-9-(4-fluorophenyl)-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one chemical structure, C21H20FNO3, CAS 844649-15-6
4-Butyl-9-(4-fluorophenyl)-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one
CAS 844649-15-6C21H20FNO3

Frequently asked questions

What is the molar mass of C21H20FNO3?

The molar mass of C21H20FNO3 is 353.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 1 fluorine atom, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 353.1427 Da.

How many compounds have the formula C21H20FNO3?

CompoundList lists 27 compounds with the molecular formula C21H20FNO3, including [2-Fluoro-4-[2-(4-methoxyphenyl)ethynyl]phenyl]-[(3R)-3-hydroxypiperidin-1-yl]methanone, 2-[[2-[(2-Fluorophenyl)methoxy]-3-methoxyphenyl]methylamino]phenol, (Z)-2-(4-Fluorobenzylidene)-6-hydroxy-7-(piperidin-1-ylmethyl)benzofuran-3(2H)-one. 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 C21H20FNO3?

C21H20FNO3 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.