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Molecular formula

C13H8N2OS

7 compounds have this formula on CompoundList.

Molar mass
240.28g/mol
Monoisotopic mass
240.0357Da
Atoms
25
Elements
5
Rings plus double bonds
11

The formula C13H8N2OS describes a molecule made of 13 carbon atoms, 8 hydrogen atoms, 2 nitrogen atoms, 1 oxygen atom 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 × 1364.98%
    12.011 × 13 = 156.143 g/mol
  • H Hydrogen × 83.36%
    1.008 × 8 = 8.064 g/mol
  • N Nitrogen × 211.66%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 16.66%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 113.34%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C13H8N2OS

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

Showing 1 to 7 of 7 compounds

2-Pyridin-2-yl-4H-1,3-benzothiazin-4-one chemical structure, C13H8N2OS, CAS 99420-15-2
2-Pyridin-2-yl-4H-1,3-benzothiazin-4-one
CAS 99420-15-2C13H8N2OS
[4-(1-Benzofuran-2-yl)-1,3-thiazol-2-yl]acetonitrile chemical structure, C13H8N2OS, CAS 851399-94-5
[4-(1-Benzofuran-2-yl)-1,3-thiazol-2-yl]acetonitrile
CAS 851399-94-5C13H8N2OS
4-(Thiophen-2-yl)quinazoline-6-carbaldehyde chemical structure, C13H8N2OS, CAS 1121529-14-3
4-(Thiophen-2-yl)quinazoline-6-carbaldehyde
CAS 1121529-14-3C13H8N2OS
Pyrrolo[2,3-b]pyrrolizin-8(1H)-one, 3-(2-thienyl)- chemical structure, C13H8N2OS, CAS 757188-64-0
Pyrrolo[2,3-b]pyrrolizin-8(1H)-one, 3-(2-thienyl)-
CAS 757188-64-0C13H8N2OS
Pyrrolo[2,3-b]pyrrolizin-8(1H)-one, 3-(3-thienyl)- chemical structure, C13H8N2OS, CAS 757188-65-1
Pyrrolo[2,3-b]pyrrolizin-8(1H)-one, 3-(3-thienyl)-
CAS 757188-65-1C13H8N2OS
2-(3-Thienyl)-1,7-naphthyridine-3-carboxaldehyde chemical structure, C13H8N2OS, CAS 1124194-74-6
2-(3-Thienyl)-1,7-naphthyridine-3-carboxaldehyde
CAS 1124194-74-6C13H8N2OS
4-[2-(2-Thienyl)ethynyl]-1,2-benzoxazol-3-amine chemical structure, C13H8N2OS, CAS 2570817-59-1
4-[2-(2-Thienyl)ethynyl]-1,2-benzoxazol-3-amine
CAS 2570817-59-1C13H8N2OS

Frequently asked questions

What is the molar mass of C13H8N2OS?

The molar mass of C13H8N2OS is 240.28 g/mol, calculated from standard atomic weights for 13 carbon atoms, 8 hydrogen atoms, 2 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 240.0357 Da.

How many compounds have the formula C13H8N2OS?

CompoundList lists 7 compounds with the molecular formula C13H8N2OS, including 2-Pyridin-2-yl-4H-1,3-benzothiazin-4-one, [4-(1-Benzofuran-2-yl)-1,3-thiazol-2-yl]acetonitrile, 4-(Thiophen-2-yl)quinazoline-6-carbaldehyde. 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 C13H8N2OS?

C13H8N2OS has a degree of unsaturation of 11. 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.