C8H4O4S2
3 compounds have this formula on CompoundList.
- Molar mass
- 228.24g/mol
- Monoisotopic mass
- 227.9551Da
- Atoms
- 18
- Elements
- 4
- Rings plus double bonds
- 7
The formula C8H4O4S2 describes a molecule made of 8 carbon atoms, 4 hydrogen atoms, 4 oxygen atoms and 2 sulfur atoms. 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 × 842.10%12.011 × 8 = 96.088 g/mol
- H Hydrogen × 41.77%1.008 × 4 = 4.032 g/mol
- O Oxygen × 428.04%15.999 × 4 = 63.996 g/mol
- S Sulfur × 228.09%32.06 × 2 = 64.120 g/mol
Compounds with the formula C8H4O4S2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 3 of 3 compounds
![Thieno[3,2-b]thiophene-2,5-dicarboxylic acid chemical structure, C8H4O4S2, CAS 18646-81-6](/s/JMURVZFFOUWCNW-UHFFFAOYSA-N.svg)
![Thieno[2,3-b]thiophene-2,5-dicarboxylic acid chemical structure, C8H4O4S2, CAS 18647-18-2](/s/ISQJBPFNAXXTCB-UHFFFAOYSA-N.svg)
![Thieno[3,2-b]thiophene-3,6-dicarboxylic acid chemical structure, C8H4O4S2, CAS 1805838-30-5](/s/JRXCYLIGJIZDPD-UHFFFAOYSA-N.svg)
Frequently asked questions
What is the molar mass of C8H4O4S2?
The molar mass of C8H4O4S2 is 228.24 g/mol, calculated from standard atomic weights for 8 carbon atoms, 4 hydrogen atoms, 4 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 227.9551 Da.
How many compounds have the formula C8H4O4S2?
CompoundList lists 3 compounds with the molecular formula C8H4O4S2, including Thieno[3,2-b]thiophene-2,5-dicarboxylic acid, Thieno[2,3-b]thiophene-2,5-dicarboxylic acid, Thieno[3,2-b]thiophene-3,6-dicarboxylic 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 C8H4O4S2?
C8H4O4S2 has a degree of unsaturation of 7. 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.