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Molecular formula

C21H18FNO5S

15 compounds have this formula on CompoundList.

Molar mass
415.44g/mol
Monoisotopic mass
415.0890Da
Atoms
47
Elements
6
Rings plus double bonds
13

The formula C21H18FNO5S describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 1 nitrogen atom, 5 oxygen atoms and 1 sulfur 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 × 2160.71%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 184.37%
    1.008 × 18 = 18.144 g/mol
  • F Fluorine × 14.57%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 13.37%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 519.26%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 17.72%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H18FNO5S

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

Showing 1 to 15 of 15 compounds

N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-(4-fluorobenzyl)-2-oxo-2H-chromene-3-carboxamide chemical structure, C21H18FNO5S, CAS 845802-87-1
N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-(4-fluorobenzyl)-2-oxo-2H-chromene-3-carboxamide
CAS 845802-87-1C21H18FNO5S
N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-(2-fluorobenzyl)-2-oxo-2H-chromene-3-carboxamide chemical structure, C21H18FNO5S, CAS 879950-54-6
N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-(2-fluorobenzyl)-2-oxo-2H-chromene-3-carboxamide
CAS 879950-54-6C21H18FNO5S
5,5-Dimethyl-2-[(4-nitrophenyl)sulfanyl]-3-oxocyclohex-1-en-1-yl 4-fluorobenzoate chemical structure, C21H18FNO5S, CAS 330677-35-5
5,5-Dimethyl-2-[(4-nitrophenyl)sulfanyl]-3-oxocyclohex-1-en-1-yl 4-fluorobenzoate
CAS 330677-35-5C21H18FNO5S
Methyl 4-(3,4-dimethoxyphenyl)-2-[(2-fluorobenzoyl)amino]thiophene-3-carboxylate chemical structure, C21H18FNO5S, CAS 444939-86-0
Methyl 4-(3,4-dimethoxyphenyl)-2-[(2-fluorobenzoyl)amino]thiophene-3-carboxylate
CAS 444939-86-0C21H18FNO5S
N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-(4-fluorobenzyl)-4-oxo-4H-chromene-2-carboxamide chemical structure, C21H18FNO5S, CAS 880790-63-6
N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-(4-fluorobenzyl)-4-oxo-4H-chromene-2-carboxamide
CAS 880790-63-6C21H18FNO5S
3-(4-((4-Fluorophenyl)sulfonyl)piperidine-1-carbonyl)-2H-chromen-2-one chemical structure, C21H18FNO5S, CAS 1448067-36-4
3-(4-((4-Fluorophenyl)sulfonyl)piperidine-1-carbonyl)-2H-chromen-2-one
CAS 1448067-36-4C21H18FNO5S
Methyl 2-[(5E)-5-{2-[(2-fluorobenzyl)oxy]benzylidene}-2,4-dioxo-1,3-thiazolidin-3-yl]propanoate chemical structure, C21H18FNO5S, CAS 643746-20-7
Methyl 2-[(5E)-5-{2-[(2-fluorobenzyl)oxy]benzylidene}-2,4-dioxo-1,3-thiazolidin-3-yl]propanoate
CAS 643746-20-7C21H18FNO5S
2-(4-((4-Fluorophenyl)sulfonyl)piperidine-1-carbonyl)-4H-chromen-4-one chemical structure, C21H18FNO5S, CAS 1448063-33-9
2-(4-((4-Fluorophenyl)sulfonyl)piperidine-1-carbonyl)-4H-chromen-4-one
CAS 1448063-33-9C21H18FNO5S
Ethyl [(5E)-5-{4-[(4-fluorobenzyl)oxy]benzylidene}-2,4-dioxo-1,3-thiazolidin-3-yl]acetate chemical structure, C21H18FNO5S, CAS 432014-64-7
Ethyl [(5E)-5-{4-[(4-fluorobenzyl)oxy]benzylidene}-2,4-dioxo-1,3-thiazolidin-3-yl]acetate
CAS 432014-64-7C21H18FNO5S
Ethyl [(5E)-5-{3-[(4-fluorobenzyl)oxy]benzylidene}-2,4-dioxo-1,3-thiazolidin-3-yl]acetate chemical structure, C21H18FNO5S, CAS 431984-05-3
Ethyl [(5E)-5-{3-[(4-fluorobenzyl)oxy]benzylidene}-2,4-dioxo-1,3-thiazolidin-3-yl]acetate
CAS 431984-05-3C21H18FNO5S
(4E)-1-(1,1-Dioxothiolan-3-yl)-5-(2-fluorophenyl)-4-[hydroxy(phenyl)methylidene]pyrrolidine-2,3-dione chemical structure, C21H18FNO5S, CAS 898617-48-6
(4E)-1-(1,1-Dioxothiolan-3-yl)-5-(2-fluorophenyl)-4-[hydroxy(phenyl)methylidene]pyrrolidine-2,3-dione
CAS 898617-48-6C21H18FNO5S
4-({[4-(Benzyloxy)phenyl]methyl}sulfamoyl)-3-fluorobenzoic acid chemical structure, C21H18FNO5S, CAS 2636921-01-0
4-({[4-(Benzyloxy)phenyl]methyl}sulfamoyl)-3-fluorobenzoic acid
CAS 2636921-01-0C21H18FNO5S
3-[3-Benzoyl-2-(2-fluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrol-1-yl]-1lambda6-thiolane-1,1-dione chemical structure, C21H18FNO5S
3-[3-Benzoyl-2-(2-fluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrol-1-yl]-1lambda6-thiolane-1,1-dione
C21H18FNO5S
3-[3-Benzoyl-2-(3-fluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrol-1-yl]-1lambda6-thiolane-1,1-dione chemical structure, C21H18FNO5S, CAS 898617-53-3
3-[3-Benzoyl-2-(3-fluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrol-1-yl]-1lambda6-thiolane-1,1-dione
CAS 898617-53-3C21H18FNO5S
(4E)-1-(1,1-Dioxothiolan-3-yl)-5-(3-fluorophenyl)-4-[hydroxy(phenyl)methylidene]pyrrolidine-2,3-dione chemical structure, C21H18FNO5S
(4E)-1-(1,1-Dioxothiolan-3-yl)-5-(3-fluorophenyl)-4-[hydroxy(phenyl)methylidene]pyrrolidine-2,3-dione
C21H18FNO5S

Frequently asked questions

What is the molar mass of C21H18FNO5S?

The molar mass of C21H18FNO5S is 415.44 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 1 nitrogen atom, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 415.0890 Da.

How many compounds have the formula C21H18FNO5S?

CompoundList lists 15 compounds with the molecular formula C21H18FNO5S, including N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-(4-fluorobenzyl)-2-oxo-2H-chromene-3-carboxamide, N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-(2-fluorobenzyl)-2-oxo-2H-chromene-3-carboxamide, 5,5-Dimethyl-2-[(4-nitrophenyl)sulfanyl]-3-oxocyclohex-1-en-1-yl 4-fluorobenzoate. 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 C21H18FNO5S?

C21H18FNO5S has a degree of unsaturation of 13. 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.