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Molecular formula

C18H18FNO2S

21 compounds have this formula on CompoundList.

Molar mass
331.40g/mol
Monoisotopic mass
336.1356Da
Atoms
41
Elements
6
Rings plus double bonds
10

The formula C18H18FNO2S describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 1 nitrogen atom, 2 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 × 1865.24%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 185.47%
    1.008 × 18 = 18.144 g/mol
  • F Fluorine × 15.73%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 14.23%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 29.66%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 19.67%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H18FNO2S

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

Showing 1 to 21 of 21 compounds

Prasugrel desacetyl chemical structure, C18H18FNO2S, CAS 150322-38-6
Prasugrel desacetyl
CAS 150322-38-6C18H18FNO2S
[2-[(4-Fluorophenyl)methylsulfanyl]phenyl]-morpholin-4-ylmethanone chemical structure, C18H18FNO2S, CAS 355430-43-2
[2-[(4-Fluorophenyl)methylsulfanyl]phenyl]-morpholin-4-ylmethanone
CAS 355430-43-2C18H18FNO2S
1-[(4-Fluorophenyl)sulfonyl]-2,2,4-trimethyl-1,2-dihydroquinoline chemical structure, C18H18FNO2S, CAS 306273-02-9
1-[(4-Fluorophenyl)sulfonyl]-2,2,4-trimethyl-1,2-dihydroquinoline
CAS 306273-02-9C18H18FNO2S
2-(4-Fluorophenyl)-3-[2-(4-methoxyphenyl)ethyl]-1,3-thiazolidin-4-one chemical structure, C18H18FNO2S, CAS 853573-63-4
2-(4-Fluorophenyl)-3-[2-(4-methoxyphenyl)ethyl]-1,3-thiazolidin-4-one
CAS 853573-63-4C18H18FNO2S
5-[2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl]-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2(3H)-one chemical structure, C18H18FNO2S, CAS 951380-42-0
5-[2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl]-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2(3H)-one
CAS 951380-42-0C18H18FNO2S
1-Cyclopropyl-2-(2-fluorophenyl)-2-{2-hydroxy-4H,5H,6H,7H-thieno[3,2-c]pyridin-5-yl}ethan-1-one chemical structure, C18H18FNO2S, CAS 201049-74-3
1-Cyclopropyl-2-(2-fluorophenyl)-2-{2-hydroxy-4H,5H,6H,7H-thieno[3,2-c]pyridin-5-yl}ethan-1-one
CAS 201049-74-3C18H18FNO2S
1-Cyclopropyl-2-(2-fluorophenyl)-2-((4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl)oxy)ethanone chemical structure, C18H18FNO2S, CAS 1544531-41-0
1-Cyclopropyl-2-(2-fluorophenyl)-2-((4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl)oxy)ethanone
CAS 1544531-41-0C18H18FNO2S
2-((4-Fluorophenyl)thio)-N-((1-hydroxy-2,3-dihydro-1H-inden-1-yl)methyl)acetamide chemical structure, C18H18FNO2S, CAS 1396781-88-6
2-((4-Fluorophenyl)thio)-N-((1-hydroxy-2,3-dihydro-1H-inden-1-yl)methyl)acetamide
CAS 1396781-88-6C18H18FNO2S
(E)-1-(7-(2-Fluorophenyl)-1,4-thiazepan-4-yl)-3-(furan-2-yl)prop-2-en-1-one chemical structure, C18H18FNO2S, CAS 1706508-00-0
(E)-1-(7-(2-Fluorophenyl)-1,4-thiazepan-4-yl)-3-(furan-2-yl)prop-2-en-1-one
CAS 1706508-00-0C18H18FNO2S
2-(Benzylthio)-1-(7-fluoro-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethanone chemical structure, C18H18FNO2S, CAS 2034204-20-9
2-(Benzylthio)-1-(7-fluoro-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethanone
CAS 2034204-20-9C18H18FNO2S
(3-((4-Fluorophenoxy)methyl)azetidin-1-yl)(2-(methylthio)phenyl)methanone chemical structure, C18H18FNO2S, CAS 2034570-45-9
(3-((4-Fluorophenoxy)methyl)azetidin-1-yl)(2-(methylthio)phenyl)methanone
CAS 2034570-45-9C18H18FNO2S
(4-Fluorophenyl)[3-(4-methoxyphenyl)thiomorpholin-4-yl]methanone chemical structure, C18H18FNO2S, CAS 1081131-02-3
(4-Fluorophenyl)[3-(4-methoxyphenyl)thiomorpholin-4-yl]methanone
CAS 1081131-02-3C18H18FNO2S
N-(2-(5-Acetylthiophen-2-yl)ethyl)-1-(4-fluorophenyl)cyclopropanecarboxamide chemical structure, C18H18FNO2S, CAS 2034339-63-2
N-(2-(5-Acetylthiophen-2-yl)ethyl)-1-(4-fluorophenyl)cyclopropanecarboxamide
CAS 2034339-63-2C18H18FNO2S
Ethyl (E)-3-(2-amino-5-(benzylthio)-4-fluorophenyl)acrylate chemical structure, C18H18FNO2S, CAS 1641578-73-5
Ethyl (E)-3-(2-amino-5-(benzylthio)-4-fluorophenyl)acrylate
CAS 1641578-73-5C18H18FNO2S
(E)-N-[Cyclopropyl(phenyl)methyl]-2-(4-fluorophenyl)ethenesulfonamide chemical structure, C18H18FNO2S, CAS 2249689-32-3
(E)-N-[Cyclopropyl(phenyl)methyl]-2-(4-fluorophenyl)ethenesulfonamide
CAS 2249689-32-3C18H18FNO2S
rac-(1R,5S)-3-Benzyl-1-(4-fluorophenyl)-6lambda6-thia-3-azabicyclo[3.2.0]heptane-6,6-dione chemical structure, C18H18FNO2S, CAS 2648861-18-9
rac-(1R,5S)-3-Benzyl-1-(4-fluorophenyl)-6lambda6-thia-3-azabicyclo[3.2.0]heptane-6,6-dione
CAS 2648861-18-9C18H18FNO2S
4-{3-[(4-Fluorophenyl)sulfanyl]phenyl}oxane-4-carboxamide chemical structure, C18H18FNO2S, CAS 329025-21-0
4-{3-[(4-Fluorophenyl)sulfanyl]phenyl}oxane-4-carboxamide
CAS 329025-21-0C18H18FNO2S
1-Benzyl-4-(4-fluorophenylsulfonyl)-1,2,3,6-tetrahydropyridine chemical structure, C18H18FNO2S, CAS 1251033-73-4
1-Benzyl-4-(4-fluorophenylsulfonyl)-1,2,3,6-tetrahydropyridine
CAS 1251033-73-4C18H18FNO2S
Prasugrel impurity 19 chemical structure, C18H18FNO2S, CAS 1283166-42-6
Prasugrel impurity 19
CAS 1283166-42-6C18H18FNO2S
2-(4-Fluorophenyl)-N-[(4-hydroxy-3,4-dihydro-1H-2-benzothiopyran-4-yl)methyl]acetamide chemical structure, C18H18FNO2S, CAS 2770610-40-5
2-(4-Fluorophenyl)-N-[(4-hydroxy-3,4-dihydro-1H-2-benzothiopyran-4-yl)methyl]acetamide
CAS 2770610-40-5C18H18FNO2S
5-[1-(2-Fluorophenyl)-2-oxo-2-(1,2,2,3,3-pentadeuteriocyclopropyl)ethyl]-4,6,7,7a-tetrahydrothieno[3,2-c]pyridin-2-one chemical structure, C18H18FNO2S, CAS 2124271-74-3
5-[1-(2-Fluorophenyl)-2-oxo-2-(1,2,2,3,3-pentadeuteriocyclopropyl)ethyl]-4,6,7,7a-tetrahydrothieno[3,2-c]pyridin-2-one
CAS 2124271-74-3C18H18FNO2S

Frequently asked questions

What is the molar mass of C18H18FNO2S?

The molar mass of C18H18FNO2S is 331.40 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 1 nitrogen atom, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 336.1356 Da.

How many compounds have the formula C18H18FNO2S?

CompoundList lists 21 compounds with the molecular formula C18H18FNO2S, including Prasugrel desacetyl, [2-[(4-Fluorophenyl)methylsulfanyl]phenyl]-morpholin-4-ylmethanone, 1-[(4-Fluorophenyl)sulfonyl]-2,2,4-trimethyl-1,2-dihydroquinoline. 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 C18H18FNO2S?

C18H18FNO2S has a degree of unsaturation of 10. 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.