C18H18FNO3S
35 compounds have this formula on CompoundList.
- Molar mass
- 347.40g/mol
- Monoisotopic mass
- 347.0991Da
- Atoms
- 42
- Elements
- 6
- Rings plus double bonds
- 10
The formula C18H18FNO3S describes a molecule made of 18 carbon atoms, 18 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 × 1862.23%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.22%1.008 × 18 = 18.144 g/mol
- F Fluorine × 15.47%18.998 × 1 = 18.998 g/mol
- N Nitrogen × 14.03%14.007 × 1 = 14.007 g/mol
- O Oxygen × 313.82%15.999 × 3 = 47.997 g/mol
- S Sulfur × 19.23%32.06 × 1 = 32.060 g/mol
Compounds with the formula C18H18FNO3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 35 of 35 compounds
![(5aS,10bR)-1-[(4-Fluorophenyl)methyl]-4,5a,6,10b-tetrahydro-3H-indeno[1,2-f][1,4,5]oxathiazepine 2,2-dioxide chemical structure, C18H18FNO3S, CAS 1175278-14-4](/s/GOTZTSAKBVDZTA-ZWKOTPCHSA-N.svg)
![Methyl 2-(2-fluorobenzamido)-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate chemical structure, C18H18FNO3S, CAS 297158-84-0](/s/QQWJREJKQYXAFQ-UHFFFAOYSA-N.svg)
![Methyl 4-ethyl-2-[[(E)-3-(4-fluorophenyl)prop-2-enoyl]amino]-5-methylthiophene-3-carboxylate chemical structure, C18H18FNO3S, CAS 329078-00-4](/s/OFFPKTLYRLCUQD-JXMROGBWSA-N.svg)
![Methyl 2-[(3-fluorobenzoyl)amino]-6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate chemical structure, C18H18FNO3S, CAS 5537-95-1](/s/BEUPHCIEQJCRAZ-UHFFFAOYSA-N.svg)
![Ethyl 2-[(2-fluorobenzoyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate chemical structure, C18H18FNO3S, CAS 307342-15-0](/s/PNQOWLBQRDWOCA-UHFFFAOYSA-N.svg)
![Ethyl 2-(4-fluorobenzamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate chemical structure, C18H18FNO3S, CAS 298207-66-6](/s/XTKJYDOPEXYYCX-UHFFFAOYSA-N.svg)
![Methyl 2-[(3-fluorobenzoyl)amino]-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate chemical structure, C18H18FNO3S, CAS 352688-48-3](/s/QWNHVDFNLAZCRO-UHFFFAOYSA-N.svg)
![Methyl 2-[(4-fluorobenzoyl)amino]-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate chemical structure, C18H18FNO3S, CAS 330465-62-8](/s/YUCLAHIHYACTCU-UHFFFAOYSA-N.svg)
![Cyclobutanecarboxamide, 1-(4-fluorophenyl)-N-[(4-methylphenyl)sulfonyl]- chemical structure, C18H18FNO3S, CAS 1333628-06-0](/s/ZMUKXLYOHGZXEI-UHFFFAOYSA-N.svg)
- 1-(3-((4-Fluorophenyl)sulfonyl)azetidin-1-yl)-2-(m-tolyl)ethanone1448124-83-1C18H18FNO3S
- (2,4-Dimethylphenyl)(3-((4-fluorophenyl)sulfonyl)azetidin-1-yl)methanone1448051-98-6C18H18FNO3S
- 2-(4-Fluorophenyl)-1-(3-(phenylsulfonyl)pyrrolidin-1-yl)ethanone1706328-36-0C18H18FNO3S
- 4-(3-Fluorobenzoyl)-7-phenyl-1lambda6,4-thiazepane-1,1-dione2034461-25-9C18H18FNO3S
- N-(1-(Benzofuran-2-yl)propan-2-yl)-4-fluoro-2-methylbenzenesulfonamide2034380-66-8C18H18FNO3S
- N-(3-(Benzofuran-2-yl)propyl)-1-(3-fluorophenyl)methanesulfonamide2034603-90-0C18H18FNO3S
- N-(1-(Benzofuran-2-yl)propan-2-yl)-1-(2-fluorophenyl)methanesulfonamide2034513-19-2C18H18FNO3S
- 3-Fluoro-2'-(piperidine-1-sulfonyl)[1,1'-biphenyl]-4-carbaldehyde1322001-36-4C18H18FNO3S
- [2-(2,3-Dimethoxyphenyl)-1,3-thiazolidin-3-yl](2-fluorophenyl)methanone6035-34-3C18H18FNO3S
- 2-(2-Fluorophenoxy)-N-[(4-hydroxy-3,4-dihydro-1H-2-benzothiopyran-4-yl)methyl]acetamide2741913-44-8C18H18FNO3S
- 3-Fluoro-N-[(4-hydroxy-3,4-dihydro-1H-2-benzothiopyran-4-yl)methyl]-4-methoxybenzamide2770606-46-5C18H18FNO3S
Frequently asked questions
What is the molar mass of C18H18FNO3S?
The molar mass of C18H18FNO3S is 347.40 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 1 nitrogen atom, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 347.0991 Da.
How many compounds have the formula C18H18FNO3S?
CompoundList lists 35 compounds with the molecular formula C18H18FNO3S, including N-Benzyl-N-(1,1-dioxothiolan-3-yl)-2-fluorobenzamide, (5aS,10bR)-1-[(4-Fluorophenyl)methyl]-4,5a,6,10b-tetrahydro-3H-indeno[1,2-f][1,4,5]oxathiazepine 2,2-dioxide, N-Benzyl-N-(1,1-dioxidotetrahydrothiophen-3-yl)-4-fluorobenzamide. 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 C18H18FNO3S?
C18H18FNO3S 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.