Molecular formula

C₁₈H₂₀FNO₃S

28 compounds have this formula on CompoundList.

Molar mass: 349.42g/mol
Monoisotopic mass: 349.1148Da
Atoms: 44
Elements: 6
Rings plus double bonds: 9

The formula C18H20FNO3S describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 1 fluorine atom, 1 nitrogen atom, 3 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 × 1861.87%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 205.77%
1.008 × 20 = 20.160 g/mol
F Fluorine × 15.44%
18.998 × 1 = 18.998 g/mol
N Nitrogen × 14.01%
14.007 × 1 = 14.007 g/mol
O Oxygen × 313.74%
15.999 × 3 = 47.997 g/mol
S Sulfur × 19.18%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C18H20FNO3S

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

Showing 1 to 28 of 28 compounds

(2Z)-2-(1-(2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercapto-3-piperidinylidene)acetic acid

CAS 204204-73-9C₁₈H₂₀FNO₃S

(Z)-2-(1-(2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercaptopiperidin-3-ylidene)acetic acid

C₁₈H₂₀FNO₃S

N-[2-(4-Fluorophenoxy)ethyl]-5,6,7,8-tetrahydronaphthalene-2-sulfonamide

CAS 1105220-98-1C₁₈H₂₀FNO₃S

trans-R-138727

CAS 239466-74-1C₁₈H₂₀FNO₃S

Isopropyl 4-ethyl-2-[(4-fluorobenzoyl)amino]-5-methyl-3-thiophenecarboxylate

CAS 353479-48-8C₁₈H₂₀FNO₃S

Isopropyl 4-ethyl-2-[(3-fluorobenzoyl)amino]-5-methyl-3-thiophenecarboxylate

CAS 544680-89-9C₁₈H₂₀FNO₃S

Acetic acid, 2-((4R)-1-((1S)-2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercapto-3-piperidinylidene)-, (2Z)-

CAS 866761-71-9C₁₈H₂₀FNO₃S

Acetic acid, 2-((4S)-1-((1S)-2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercapto-3-piperidinylidene)-, (2Z)-

CAS 866761-68-4C₁₈H₂₀FNO₃S

Acetic acid, 2-((4R)-1-((1R)-2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercapto-3-piperidinylidene)-, (2Z)-

CAS 866761-70-8C₁₈H₂₀FNO₃S

Ethyl 2-[(4-fluorobenzoyl)amino]-4-(2-methylpropyl)thiophene-3-carboxylate

CAS 461429-94-7C₁₈H₂₀FNO₃S

2-((4-Fluorophenyl)thio)-N-(furan-2-ylmethyl)-N-(tetrahydro-2H-pyran-4-yl)acetamide

CAS 1448063-49-7C₁₈H₂₀FNO₃S

Acetic acid, 2-((4S)-1-((1R)-2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercapto-3-piperidinylidene)-, (2Z)-

CAS 866761-69-5C₁₈H₂₀FNO₃S

1-(3-Fluorophenyl)-N-[(2-hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl]methanesulfonamide

CAS 1421528-90-6C₁₈H₂₀FNO₃S

N-(2,2-Dimethyl-3,4-dihydro-2H-chromen-4-yl)(2-fluorophenyl)methanesulfonamide

CAS 932219-87-9C₁₈H₂₀FNO₃S

2-(2-Fluorophenoxy)-N-((4-(thiophen-2-yl)tetrahydro-2H-pyran-4-yl)methyl)acetamide

CAS 1203019-02-6C₁₈H₂₀FNO₃S

4-(4-Ethylbenzenesulfonyl)-2-(4-fluorophenyl)morpholine

CAS 1328423-78-4C₁₈H₂₀FNO₃S

3-Fluoro-4-methoxy-N-((4-(thiophen-2-yl)tetrahydro-2H-pyran-4-yl)methyl)benzamide

CAS 1797317-92-0C₁₈H₂₀FNO₃S

2-((4-Fluorophenyl)thio)-N-(2-methoxy-2-(2-methoxyphenyl)ethyl)acetamide

CAS 1795299-65-8C₁₈H₂₀FNO₃S

1-(4-Fluorophenyl)-N-((2-hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl)methanesulfonamide

CAS 1706194-21-9C₁₈H₂₀FNO₃S

1-(4-Fluorophenyl)-N-(2-(2-hydroxyethoxy)-2-(thiophen-2-yl)ethyl)cyclopropanecarboxamide

CAS 2034364-69-5C₁₈H₂₀FNO₃S

3-Fluoro-4-methoxy-N-((4-(thiophen-3-yl)tetrahydro-2H-pyran-4-yl)methyl)benzamide

CAS 2320682-54-8C₁₈H₂₀FNO₃S

2-(4-Fluorophenoxy)-N-{[4-(thiophen-3-yl)oxan-4-yl]methyl}acetamide

CAS 2309775-83-3C₁₈H₂₀FNO₃S

N-(2,2-Dimethyl-3,4-dihydro-2H-chromen-4-yl)-1-(4-fluorophenyl)methanesulfonamide

CAS 932162-93-1C₁₈H₂₀FNO₃S

N-(2-Cyclopropyl-2-hydroxy-2-phenylethyl)-1-(3-fluorophenyl)methanesulfonamide

CAS 1421529-51-2C₁₈H₂₀FNO₃S

Frequently asked questions

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What is the molar mass of C18H20FNO3S?

The molar mass of C18H20FNO3S is 349.42 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 1 fluorine atom, 1 nitrogen atom, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 349.1148 Da.

How many compounds have the formula C18H20FNO3S?

CompoundList lists 28 compounds with the molecular formula C18H20FNO3S, including (2Z)-2-(1-(2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercapto-3-piperidinylidene)acetic acid, (Z)-2-(1-(2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercaptopiperidin-3-ylidene)acetic acid, N-[2-(4-Fluorophenoxy)ethyl]-5,6,7,8-tetrahydronaphthalene-2-sulfonamide. 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 C18H20FNO3S?

C18H20FNO3S has a degree of unsaturation of 9. 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.