Molecular formula

C₁₂H₈O₄S

23 compounds have this formula on CompoundList.

Molar mass: 248.25g/mol
Monoisotopic mass: 248.0143Da
Atoms: 25
Elements: 4
Rings plus double bonds: 9

The formula C12H8O4S describes a molecule made of 12 carbon atoms, 8 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 × 1258.06%
12.011 × 12 = 144.132 g/mol
H Hydrogen × 83.25%
1.008 × 8 = 8.064 g/mol
O Oxygen × 425.78%
15.999 × 4 = 63.996 g/mol
S Sulfur × 112.91%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C12H8O4S

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

Showing 1 to 23 of 23 compounds

Dibenzofuran-2-sulphonic acid

CAS 83863-63-2C₁₂H₈O₄S

Acetic acid, [(1,4-dihydro-1,4-dioxo-2-naphthalenyl)thio]-

CAS 57414-03-6C₁₂H₈O₄S

2-(2-Thiophenecarboxy)benzoic acid

CAS 95232-68-1C₁₂H₈O₄S

4-(5-Formylthiophen-2-yl)-2-hydroxybenzoic acid

CAS 1261981-17-2C₁₂H₈O₄S

4-Dibenzofuransulfonic acid

CAS 42137-76-8C₁₂H₈O₄S

4-(3-Formyl-4-hydroxyphenyl)thiophene-2-carboxylic acid

CAS 1261944-04-0C₁₂H₈O₄S

4-(4-Formyl-3-hydroxyphenyl)thiophene-2-carboxylic acid

CAS 1261907-31-6C₁₂H₈O₄S

4-(3-Formyl-2-hydroxyphenyl)thiophene-2-carboxylic acid

CAS 1261944-19-7C₁₂H₈O₄S

4-(5-Formylthiophen-3-yl)-3-hydroxybenzoic acid

CAS 1261956-50-6C₁₂H₈O₄S

3-(5-Formylthiophen-3-yl)-5-hydroxybenzoic acid

CAS 1261939-65-4C₁₂H₈O₄S

4-(5-Formylthiophen-3-yl)-2-hydroxybenzoic acid

CAS 1261970-88-0C₁₂H₈O₄S

4-(2-Carboxyphenyl)thiophene-2-carboxylic acid

CAS 1261994-97-1C₁₂H₈O₄S

4-(5-Formylthiophen-2-yl)-3-hydroxybenzoic acid

CAS 1261962-30-4C₁₂H₈O₄S

3-(5-Formylthiophen-2-yl)-5-hydroxybenzoic acid

CAS 1261928-36-2C₁₂H₈O₄S

Dibenzo[b,d]furan-1-sulfonic acid

CAS 402598-43-0C₁₂H₈O₄S

4-(3-Carboxyphenyl)thiophene-2-carboxylic acid

CAS 1261932-66-4C₁₂H₈O₄S

4-(4-Carboxyphenyl)thiophene-2-carboxylic acid

CAS 1261997-58-3C₁₂H₈O₄S

3-Benzothiepine-2,4-dicarboxylic acid

CAS 116103-90-3C₁₂H₈O₄S

3-Phenylthiophene-2,5-dicarboxylic acid

CAS 13132-07-5C₁₂H₈O₄S

6,7-Dihydro-4,9-dihydroxynaphtho[2,3-b]thiophene-5,8-dione

CAS 128412-16-8C₁₂H₈O₄S

3-Benzo[1,3]dioxol-5-yl-thiophene-2-carboxylic acid

CAS 1181573-13-6C₁₂H₈O₄S

4-(2-Hydroxybenzoyl)thiophene-2-carboxylic acid

CAS 62484-72-4C₁₂H₈O₄S

Peroxide, benzoyl 2-thienylcarbonyl

CAS 13196-13-9C₁₂H₈O₄S

Frequently asked questions

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What is the molar mass of C12H8O4S?

The molar mass of C12H8O4S is 248.25 g/mol, calculated from standard atomic weights for 12 carbon atoms, 8 hydrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 248.0143 Da.

How many compounds have the formula C12H8O4S?

CompoundList lists 23 compounds with the molecular formula C12H8O4S, including Dibenzofuran-2-sulphonic acid, Acetic acid, [(1,4-dihydro-1,4-dioxo-2-naphthalenyl)thio]-, 2-(2-Thiophenecarboxy)benzoic 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 C12H8O4S?

C12H8O4S 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.