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Molecular formula

C18H10N2O2S

7 compounds have this formula on CompoundList.

Molar mass
318.35g/mol
Monoisotopic mass
318.0463Da
Atoms
33
Elements
5
Rings plus double bonds
15

The formula C18H10N2O2S describes a molecule made of 18 carbon atoms, 10 hydrogen atoms, 2 nitrogen 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 × 1867.91%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 103.17%
    1.008 × 10 = 10.080 g/mol
  • N Nitrogen × 28.80%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 210.05%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 110.07%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H10N2O2S

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

Showing 1 to 7 of 7 compounds

Fba 185 chemical structure, C18H10N2O2S, CAS 2866-43-5
Fba 185
CAS 2866-43-5C18H10N2O2S
3-(1-Benzofuran-2-yl)-2-(1,3-benzothiazol-2-yl)-3-oxopropanenitrile chemical structure, C18H10N2O2S, CAS 327104-77-8
3-(1-Benzofuran-2-yl)-2-(1,3-benzothiazol-2-yl)-3-oxopropanenitrile
CAS 327104-77-8C18H10N2O2S
3-Imidazo[2,1-b][1,3]benzothiazol-2-ylchromen-2-one chemical structure, C18H10N2O2S, CAS 313536-24-2
3-Imidazo[2,1-b][1,3]benzothiazol-2-ylchromen-2-one
CAS 313536-24-2C18H10N2O2S
2-Amino-1H-thioxantheno(2,1,9-def)isoquinoline-1,3(2H)-dione chemical structure, C18H10N2O2S, CAS 52204-19-0
2-Amino-1H-thioxantheno(2,1,9-def)isoquinoline-1,3(2H)-dione
CAS 52204-19-0C18H10N2O2S
4H-Thieno(2',3':4,5)pyrimido(2,1-b)benzoxazol-4-one, 2-phenyl- chemical structure, C18H10N2O2S, CAS 159852-72-9
4H-Thieno(2',3':4,5)pyrimido(2,1-b)benzoxazol-4-one, 2-phenyl-
CAS 159852-72-9C18H10N2O2S
(E)-2-(4-(Benzofuran-2-yl)thiazol-2-yl)-3-(furan-2-yl)acrylonitrile chemical structure, C18H10N2O2S, CAS 717117-89-0
(E)-2-(4-(Benzofuran-2-yl)thiazol-2-yl)-3-(furan-2-yl)acrylonitrile
CAS 717117-89-0C18H10N2O2S
(2-Phenylbenzo[5,6-B]-4H-thiopyran-4-ylidene)-propanedinitril-1,1-dioxide chemical structure, C18H10N2O2S, CAS 103225-47-4
(2-Phenylbenzo[5,6-B]-4H-thiopyran-4-ylidene)-propanedinitril-1,1-dioxide
CAS 103225-47-4C18H10N2O2S

Frequently asked questions

What is the molar mass of C18H10N2O2S?

The molar mass of C18H10N2O2S is 318.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 10 hydrogen atoms, 2 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 318.0463 Da.

How many compounds have the formula C18H10N2O2S?

CompoundList lists 7 compounds with the molecular formula C18H10N2O2S, including Fba 185, 3-(1-Benzofuran-2-yl)-2-(1,3-benzothiazol-2-yl)-3-oxopropanenitrile, 3-Imidazo[2,1-b][1,3]benzothiazol-2-ylchromen-2-one. 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 C18H10N2O2S?

C18H10N2O2S has a degree of unsaturation of 15. 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.