Molecular formula

C₁₃H₁₈O₂S

122 compounds have this formula on CompoundList.

Molar mass: 238.34g/mol
Monoisotopic mass: 238.1028Da
Atoms: 34
Elements: 4
Rings plus double bonds: 5

The formula C13H18O2S describes a molecule made of 13 carbon atoms, 18 hydrogen atoms, 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 × 1365.51%
12.011 × 13 = 156.143 g/mol
H Hydrogen × 187.61%
1.008 × 18 = 18.144 g/mol
O Oxygen × 213.43%
15.999 × 2 = 31.998 g/mol
S Sulfur × 113.45%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C13H18O2S

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

Showing 101 to 122 of 122 compounds

2,2-Dimethyl-3-(4,5,6,7-tetrahydro-1-benzothiophen-3-yl)propanoic acid

CAS 2229241-46-5C₁₃H₁₈O₂S

2-Methyl-4-(4,5,6,7-tetrahydro-1-benzothiophen-3-yl)butanoic acid

CAS 2228548-41-0C₁₃H₁₈O₂S

2,2-Dimethyl-3-(5-propylthiophen-2-yl)cyclopropane-1-carboxylic acid

CAS 2229511-12-8C₁₃H₁₈O₂S

2,2-Dimethyl-1-(5-propylthiophen-2-yl)cyclopropane-1-carboxylic acid

CAS 2229331-32-0C₁₃H₁₈O₂S

3-Methyl-3-(4,5,6,7-tetrahydro-1-benzothiophen-2-yl)butanoic acid

CAS 2229455-99-4C₁₃H₁₈O₂S

1-(5-Propylthiophen-2-yl)cyclopentane-1-carboxylic acid

CAS 2229302-89-8C₁₃H₁₈O₂S

3-Methyl-2-(4,5,6,7-tetrahydro-1-benzothiophen-3-yl)butanoic acid

CAS 2228425-86-1C₁₃H₁₈O₂S

3-Cyclooctylthiophene-2-carboxylic acid

CAS 2137598-47-9C₁₃H₁₈O₂S

3-Methyl-3-(4,5,6,7-tetrahydro-1-benzothiophen-3-yl)butanoic acid

CAS 2228223-40-1C₁₃H₁₈O₂S

2,2-Dimethyl-3-(4,5,6,7-tetrahydro-1-benzothiophen-2-yl)propanoic acid

CAS 2228252-02-4C₁₃H₁₈O₂S

Ethyl 3-cyclohexylthiophene-2-carboxylate

CAS 2107107-69-5C₁₃H₁₈O₂S

2-Methyl-4-(4,5,6,7-tetrahydro-1-benzothiophen-2-yl)butanoic acid

CAS 2228241-06-1C₁₃H₁₈O₂S

2-(2-{[(3-Methylphenyl)methyl]sulfanyl}ethyl)-1,3-dioxolane

CAS 2137820-07-4C₁₃H₁₈O₂S

2-[1-(5-Propylthiophen-2-yl)cyclobutyl]acetic acid

CAS 2229203-70-5C₁₃H₁₈O₂S

(Phenylsulfonyl)cycloheptane

CAS 140184-02-7C₁₃H₁₈O₂S

3-Methyl-2-(4-(methylthio)benzyl)butanoic acid

CAS 1780323-65-0C₁₃H₁₈O₂S

Methyl 2,2-dimethyl-3-(4-(methylthio)phenyl)propanoate

CAS 1890410-39-5C₁₃H₁₈O₂S

Methyl 2-(4-(methylthio)benzyl)butanoate

CAS 1896219-12-7C₁₃H₁₈O₂S

Methyl 2,2-dimethyl-3-(2-(methylthio)phenyl)propanoate

CAS 2113078-68-3C₁₃H₁₈O₂S

Methyl 2,2-dimethyl-3-(3-(methylthio)phenyl)propanoate

CAS 2116866-87-4C₁₃H₁₈O₂S

rac-(1R,3R)-2,2-Dimethyl-3-(5-propylthiophen-2-yl)cyclopropane-1-carboxylic acid

CAS 2227830-92-2C₁₃H₁₈O₂S

S-Phenyl (2S,3R)-3-hydroxy-2,4-dimethylpentanethioate

CAS 121788-81-6C₁₃H₁₈O₂S

Frequently asked questions

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What is the molar mass of C13H18O2S?

The molar mass of C13H18O2S is 238.34 g/mol, calculated from standard atomic weights for 13 carbon atoms, 18 hydrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 238.1028 Da.

How many compounds have the formula C13H18O2S?

CompoundList lists 122 compounds with the molecular formula C13H18O2S, including 2,2-Dimethyl-3-(4,5,6,7-tetrahydro-1-benzothiophen-3-yl)propanoic acid, 2-Methyl-4-(4,5,6,7-tetrahydro-1-benzothiophen-3-yl)butanoic acid, 2,2-Dimethyl-3-(5-propylthiophen-2-yl)cyclopropane-1-carboxylic acid. 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 C13H18O2S?

C13H18O2S has a degree of unsaturation of 5. 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.