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Molecular formula

C18H12N2OS

34 compounds have this formula on CompoundList.

Molar mass
304.37g/mol
Monoisotopic mass
304.0670Da
Atoms
34
Elements
5
Rings plus double bonds
14

The formula C18H12N2OS describes a molecule made of 18 carbon atoms, 12 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 × 1871.03%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 123.97%
    1.008 × 12 = 12.096 g/mol
  • N Nitrogen × 29.20%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 15.26%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 110.53%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H12N2OS

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

Showing 1 to 34 of 34 compounds

N-(1,3-Benzothiazol-2-yl)-1-naphthamide chemical structure, C18H12N2OS, CAS 361183-58-6
N-(1,3-Benzothiazol-2-yl)-1-naphthamide
CAS 361183-58-6C18H12N2OS
5-(4-Phenyl-phenyl)thieno[2,3-d]pyrimidin-4(3H)-one chemical structure, C18H12N2OS, CAS 307512-30-7
5-(4-Phenyl-phenyl)thieno[2,3-d]pyrimidin-4(3H)-one
CAS 307512-30-7C18H12N2OS
Phenothiazin-10-yl(pyridin-4-yl)methanone chemical structure, C18H12N2OS, CAS 33264-59-4
Phenothiazin-10-yl(pyridin-4-yl)methanone
CAS 33264-59-4C18H12N2OS
(4Z)-4-(3-Phenylprop-2-en-1-ylidene)-5-thia-2,7-diazatricyclo[6.4.0.0,2,6]dodeca-1(8),6,9,11-tetraen-3-one chemical structure, C18H12N2OS, CAS 1947358-32-8
(4Z)-4-(3-Phenylprop-2-en-1-ylidene)-5-thia-2,7-diazatricyclo[6.4.0.0,2,6]dodeca-1(8),6,9,11-tetraen-3-one
CAS 1947358-32-8C18H12N2OS
Phenothiazin-10-yl(pyridin-3-yl)methanone chemical structure, C18H12N2OS, CAS 101874-64-0
Phenothiazin-10-yl(pyridin-3-yl)methanone
CAS 101874-64-0C18H12N2OS
5-Cyano-3,4-diphenylthiophene-2-carboxamide chemical structure, C18H12N2OS, CAS 70541-98-9
5-Cyano-3,4-diphenylthiophene-2-carboxamide
CAS 70541-98-9C18H12N2OS
2,6-Diphenylthieno[2,3-d]pyrimidin-4(3H)-one chemical structure, C18H12N2OS, CAS 18593-60-7
2,6-Diphenylthieno[2,3-d]pyrimidin-4(3H)-one
CAS 18593-60-7C18H12N2OS
2-Amino-4-(2-thienyl)-4H-benzo[g]chromene-3-carbonitrile chemical structure, C18H12N2OS, CAS 861208-26-6
2-Amino-4-(2-thienyl)-4H-benzo[g]chromene-3-carbonitrile
CAS 861208-26-6C18H12N2OS
2-Amino-4-(thiophen-2-yl)-4H-benzo[h]chromene-3-carbonitrile chemical structure, C18H12N2OS, CAS 675854-21-4
2-Amino-4-(thiophen-2-yl)-4H-benzo[h]chromene-3-carbonitrile
CAS 675854-21-4C18H12N2OS
3-Phenyl-2-thiophen-2-ylquinazolin-4-one chemical structure, C18H12N2OS, CAS 300718-32-5
3-Phenyl-2-thiophen-2-ylquinazolin-4-one
CAS 300718-32-5C18H12N2OS
2-Mercapto-3-(1-naphthyl)quinazolin-4(3H)-one chemical structure, C18H12N2OS, CAS 22453-82-3
2-Mercapto-3-(1-naphthyl)quinazolin-4(3H)-one
CAS 22453-82-3C18H12N2OS
N-(Benzo[d]thiazol-5-yl)-2-naphthamide chemical structure, C18H12N2OS, CAS 922969-33-3
N-(Benzo[d]thiazol-5-yl)-2-naphthamide
CAS 922969-33-3C18H12N2OS
N-(3-Cyanothiophen-2-yl)-[1,1'-biphenyl]-4-carboxamide chemical structure, C18H12N2OS, CAS 921150-43-8
N-(3-Cyanothiophen-2-yl)-[1,1'-biphenyl]-4-carboxamide
CAS 921150-43-8C18H12N2OS
3,7-Diphenylthieno[3,2-d]pyrimidin-4(3H)-one chemical structure, C18H12N2OS, CAS 1621966-56-0
3,7-Diphenylthieno[3,2-d]pyrimidin-4(3H)-one
CAS 1621966-56-0C18H12N2OS
N-Benzo[g][1,3]benzothiazol-2-ylbenzamide chemical structure, C18H12N2OS, CAS 214326-84-8
N-Benzo[g][1,3]benzothiazol-2-ylbenzamide
CAS 214326-84-8C18H12N2OS
(2-Aminothieno[2,3-c]pyridin-3-yl)(naphthalen-1-yl)methanone chemical structure, C18H12N2OS, CAS 914644-39-6
(2-Aminothieno[2,3-c]pyridin-3-yl)(naphthalen-1-yl)methanone
CAS 914644-39-6C18H12N2OS
Thieno(2,3-d)pyrimidin-4(1H)-one, 2,5-diphenyl- chemical structure, C18H12N2OS, CAS 18593-68-5
Thieno(2,3-d)pyrimidin-4(1H)-one, 2,5-diphenyl-
CAS 18593-68-5C18H12N2OS
6-Biphenyl-4-yl-imidazo[2,1-b]thiazole-5-carbaldehyde chemical structure, C18H12N2OS, CAS 82588-43-0
6-Biphenyl-4-yl-imidazo[2,1-b]thiazole-5-carbaldehyde
CAS 82588-43-0C18H12N2OS
2-Phenyl-4-thien-2-ylphthalazin-1(2H)-one chemical structure, C18H12N2OS, CAS 301687-97-8
2-Phenyl-4-thien-2-ylphthalazin-1(2H)-one
CAS 301687-97-8C18H12N2OS
N-(1,3-Benzothiazol-2-yl)naphthalene-2-carboxamide chemical structure, C18H12N2OS, CAS 5690-02-8
N-(1,3-Benzothiazol-2-yl)naphthalene-2-carboxamide
CAS 5690-02-8C18H12N2OS
4,6-Diphenylisothiazolo(5,4-b)pyridin-3(2H)-one chemical structure, C18H12N2OS, CAS 82447-76-5
4,6-Diphenylisothiazolo(5,4-b)pyridin-3(2H)-one
CAS 82447-76-5C18H12N2OS
N-(Benzo[d]thiazol-6-yl)-1-naphthamide chemical structure, C18H12N2OS, CAS 923069-85-6
N-(Benzo[d]thiazol-6-yl)-1-naphthamide
CAS 923069-85-6C18H12N2OS
3-(Naphthalen-2-yl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one chemical structure, C18H12N2OS, CAS 24282-95-9
3-(Naphthalen-2-yl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one
CAS 24282-95-9C18H12N2OS
N-(Benzo[d]thiazol-6-yl)-2-naphthamide chemical structure, C18H12N2OS, CAS 922966-74-3
N-(Benzo[d]thiazol-6-yl)-2-naphthamide
CAS 922966-74-3C18H12N2OS

Frequently asked questions

What is the molar mass of C18H12N2OS?

The molar mass of C18H12N2OS is 304.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 12 hydrogen atoms, 2 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 304.0670 Da.

How many compounds have the formula C18H12N2OS?

CompoundList lists 34 compounds with the molecular formula C18H12N2OS, including N-(1,3-Benzothiazol-2-yl)-1-naphthamide, 5-(4-Phenyl-phenyl)thieno[2,3-d]pyrimidin-4(3H)-one, Phenothiazin-10-yl(pyridin-4-yl)methanone. 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 C18H12N2OS?

C18H12N2OS has a degree of unsaturation of 14. 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.