Molecular formula

C₁₈H₁₄O₄S

23 compounds have this formula on CompoundList.

Molar mass: 326.37g/mol
Monoisotopic mass: 326.0613Da
Atoms: 37
Elements: 4
Rings plus double bonds: 12

The formula C18H14O4S describes a molecule made of 18 carbon atoms, 14 hydrogen atoms, 4 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 × 1866.24%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 144.32%
1.008 × 14 = 14.112 g/mol
O Oxygen × 419.61%
15.999 × 4 = 63.996 g/mol
S Sulfur × 19.82%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C18H14O4S

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

Showing 1 to 23 of 23 compounds

(4-(6-Acetyloxy-1-benzothiophen-2-yl)phenyl) acetate

CAS 84449-63-8C₁₈H₁₄O₄S

2,3-Dimethoxy-5-naphthalen-2-ylsulfanylcyclohexa-2,5-diene-1,4-dione

CAS 58511-94-7C₁₈H₁₄O₄S

Ethyl 3-(benzoyloxy)-1-benzothiophene-2-carboxylate

CAS 380645-39-6C₁₈H₁₄O₄S

RefChem:357217

CAS 16851-08-4C₁₈H₁₄O₄S

1-Naphthalenecarboxylic acid, 8-[[2-(hydroxymethyl)phenyl]sulfinyl]-

CAS 191404-57-6C₁₈H₁₄O₄S

Tifurac

CAS 97483-17-5C₁₈H₁₄O₄S

2-(4-Naphthalen-1-ylphenyl)sulfonylacetic acid

CAS 653588-56-8C₁₈H₁₄O₄S

5-[(Naphthalene-2-sulfonyl)methyl]-2H-1,3-benzodioxole

CAS 379246-56-7C₁₈H₁₄O₄S

1-Formylnaphthalen-2-yl 4-methylbenzenesulfonate

CAS 634593-02-5C₁₈H₁₄O₄S

(Z)-Methyl 2-(4-(methylthio)benzylidene)-3-oxo-2,3-dihydrobenzofuran-5-carboxylate

CAS 868143-33-3C₁₈H₁₄O₄S

(Z)-2-((3-Methylthiophen-2-yl)methylene)-3-oxo-2,3-dihydrobenzofuran-6-yl cyclopropanecarboxylate

CAS 622800-30-0C₁₈H₁₄O₄S

4H-1-Benzothiopyran-4-one, 2,3-dihydro-3-(1,3-benzodioxol-5-ylmethylene)-6-methoxy-, (Z)-

CAS 130689-05-3C₁₈H₁₄O₄S

Ethyl 5-(5-formyl-6-hydroxy-2-naphthalenyl)-2-thiophenecarboxylate

CAS 1093119-41-5C₁₈H₁₄O₄S

Acetic acid, ((4-((5-methyl-2-thienyl)carbonyl)-1-naphthalenyl)oxy)-

CAS 68572-34-9C₁₈H₁₄O₄S

Propanoic acid, 3-((4-(2-thienylcarbonyl)-1-naphthalenyl)oxy)-

CAS 68572-40-7C₁₈H₁₄O₄S

1-Pyren-1-ylethyl hydrogen sulfate

CAS 132769-78-9C₁₈H₁₄O₄S

Propanoic acid, 2-((4-(2-thienylcarbonyl)-1-naphthalenyl)oxy)-

CAS 68572-45-2C₁₈H₁₄O₄S

1-Pyren-2-ylethyl hydrogen sulfate

CAS 132769-79-0C₁₈H₁₄O₄S

2,3-Dimethoxy-5-(phenylsulfanyl)naphthalene-1,4-dione

CAS 89226-93-7C₁₈H₁₄O₄S

2-[(1E)-2-(Phenylsulfonyl)ethenyl]phenyl 2,3-butadienoate

CAS 949449-10-9C₁₈H₁₄O₄S

Thiobis(3,1-phenylene) Diacrylate

CAS 2170635-93-3C₁₈H₁₄O₄S

Dimethyl (9H-thioxanthen-9-ylidene)propanedioate

CAS 92899-30-4C₁₈H₁₄O₄S

(E)-2-[(E)-1-Carboxy-2-phenylethenyl]sulfanyl-3-phenylprop-2-enoic acid

CAS 68116-53-0C₁₈H₁₄O₄S

Frequently asked questions

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What is the molar mass of C18H14O4S?

The molar mass of C18H14O4S is 326.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 14 hydrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 326.0613 Da.

How many compounds have the formula C18H14O4S?

CompoundList lists 23 compounds with the molecular formula C18H14O4S, including (4-(6-Acetyloxy-1-benzothiophen-2-yl)phenyl) acetate, 2,3-Dimethoxy-5-naphthalen-2-ylsulfanylcyclohexa-2,5-diene-1,4-dione, Ethyl 3-(benzoyloxy)-1-benzothiophene-2-carboxylate. 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 C18H14O4S?

C18H14O4S has a degree of unsaturation of 12. 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.