CompoundList
Sign in
Molecular formula

C18H16O2S

34 compounds have this formula on CompoundList.

Molar mass
296.38g/mol
Monoisotopic mass
296.0871Da
Atoms
37
Elements
4
Rings plus double bonds
11

The formula C18H16O2S describes a molecule made of 18 carbon atoms, 16 hydrogen 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 × 1872.95%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 165.44%
    1.008 × 16 = 16.128 g/mol
  • O Oxygen × 210.80%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 110.82%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H16O2S

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

Showing 1 to 34 of 34 compounds

2,5-Bis(4-methoxyphenyl)thiophene chemical structure, C18H16O2S, CAS 55827-09-3
2,5-Bis(4-methoxyphenyl)thiophene
CAS 55827-09-3C18H16O2S
2-Acetyl-5-(thiophen-2-yl)-1,6-dihydro[1,1'-biphenyl]-3(2H)-one chemical structure, C18H16O2S, CAS 5339-81-1
2-Acetyl-5-(thiophen-2-yl)-1,6-dihydro[1,1'-biphenyl]-3(2H)-one
CAS 5339-81-1C18H16O2S
Orb2278561 chemical structure, C18H16O2S, CAS 1799392-31-6
Orb2278561
CAS 1799392-31-6C18H16O2S
[3-(Benzyloxy)phenyl](2-thienyl)methanol chemical structure, C18H16O2S, CAS 356086-91-4
[3-(Benzyloxy)phenyl](2-thienyl)methanol
CAS 356086-91-4C18H16O2S
9,10-Dihydrospiro[9,10-ethanoanthracene-11,2'-thietane] 1',1'-dioxide chemical structure, C18H16O2S, CAS 16808-56-3
9,10-Dihydrospiro[9,10-ethanoanthracene-11,2'-thietane] 1',1'-dioxide
CAS 16808-56-3C18H16O2S
2-((1-Methylpropyl)thio)anthraquinone chemical structure, C18H16O2S, CAS 85030-51-9
2-((1-Methylpropyl)thio)anthraquinone
CAS 85030-51-9C18H16O2S
5-Methyl-2-thienyl-(4-phenoxyphenyl)methanol chemical structure, C18H16O2S, CAS 944685-02-3
5-Methyl-2-thienyl-(4-phenoxyphenyl)methanol
CAS 944685-02-3C18H16O2S
6-Methoxy-2-(4-methylthiophenyl)naphthalene-1-ol chemical structure, C18H16O2S, CAS 648905-51-5
6-Methoxy-2-(4-methylthiophenyl)naphthalene-1-ol
CAS 648905-51-5C18H16O2S
Thiophene, 2,4-bis(4-methoxyphenyl)- chemical structure, C18H16O2S, CAS 62497-30-7
Thiophene, 2,4-bis(4-methoxyphenyl)-
CAS 62497-30-7C18H16O2S
3-(Methylsulfanyl)-1,5-diphenylpent-2-ene-1,5-dione chemical structure, C18H16O2S, CAS 78227-64-2
3-(Methylsulfanyl)-1,5-diphenylpent-2-ene-1,5-dione
CAS 78227-64-2C18H16O2S
Propanoic acid, 3-(2-methyldibenzo(b,e)thiepin-11(6H)-ylidene)-, (E)- chemical structure, C18H16O2S, CAS 112930-60-6
Propanoic acid, 3-(2-methyldibenzo(b,e)thiepin-11(6H)-ylidene)-, (E)-
CAS 112930-60-6C18H16O2S
Thiophene, 3,4-bis(4-methoxyphenyl)- chemical structure, C18H16O2S, CAS 51792-35-9
Thiophene, 3,4-bis(4-methoxyphenyl)-
CAS 51792-35-9C18H16O2S
3,4-Bis(phenylmethoxy)thiophene chemical structure, C18H16O2S, CAS 177364-99-7
3,4-Bis(phenylmethoxy)thiophene
CAS 177364-99-7C18H16O2S
5-Methyl-5-phenyl-3-(phenylthiomethyl)furan-2-one chemical structure, C18H16O2S, CAS 76299-64-4
5-Methyl-5-phenyl-3-(phenylthiomethyl)furan-2-one
CAS 76299-64-4C18H16O2S
2-[(5-Butylthiophen-2-yl)methylidene]indene-1,3-dione chemical structure, C18H16O2S, CAS 5348-76-5
2-[(5-Butylthiophen-2-yl)methylidene]indene-1,3-dione
CAS 5348-76-5C18H16O2S
Naphthalene, 2-[[(phenylmethyl)sulfonyl]methyl]- chemical structure, C18H16O2S, CAS 67168-91-6
Naphthalene, 2-[[(phenylmethyl)sulfonyl]methyl]-
CAS 67168-91-6C18H16O2S
Naphthalene, 1-[[(phenylmethyl)sulfonyl]methyl]- chemical structure, C18H16O2S, CAS 67168-90-5
Naphthalene, 1-[[(phenylmethyl)sulfonyl]methyl]-
CAS 67168-90-5C18H16O2S
[(Z)-4-Ethylsulfonyl-3-phenylbut-3-en-1-ynyl]benzene chemical structure, C18H16O2S, CAS 28995-95-1
[(Z)-4-Ethylsulfonyl-3-phenylbut-3-en-1-ynyl]benzene
CAS 28995-95-1C18H16O2S
2,3-Bis(4-methoxyphenyl)thiophene chemical structure, C18H16O2S, CAS 78316-50-4
2,3-Bis(4-methoxyphenyl)thiophene
CAS 78316-50-4C18H16O2S
5-Methoxy-2-methyl-4-phenyl-1-benzothiepin-3(2H)-one chemical structure, C18H16O2S, CAS 72262-56-7
5-Methoxy-2-methyl-4-phenyl-1-benzothiepin-3(2H)-one
CAS 72262-56-7C18H16O2S
Methyl 2,2-diphenyl-2,5-dihydrothiophene-3-carboxylate chemical structure, C18H16O2S, CAS 88692-10-8
Methyl 2,2-diphenyl-2,5-dihydrothiophene-3-carboxylate
CAS 88692-10-8C18H16O2S
1-Benzothiepin, 3,5-dimethoxy-4-phenyl- chemical structure, C18H16O2S, CAS 57458-94-3
1-Benzothiepin, 3,5-dimethoxy-4-phenyl-
CAS 57458-94-3C18H16O2S
1,2-Ethanediol, 1,1-diphenyl-2-(2-thienyl)- chemical structure, C18H16O2S, CAS 62323-58-4
1,2-Ethanediol, 1,1-diphenyl-2-(2-thienyl)-
CAS 62323-58-4C18H16O2S
3,4-Thiophenedimethanol, 2,5-diphenyl- chemical structure, C18H16O2S, CAS 59611-38-0
3,4-Thiophenedimethanol, 2,5-diphenyl-
CAS 59611-38-0C18H16O2S

Frequently asked questions

What is the molar mass of C18H16O2S?

The molar mass of C18H16O2S is 296.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 296.0871 Da.

How many compounds have the formula C18H16O2S?

CompoundList lists 34 compounds with the molecular formula C18H16O2S, including 2,5-Bis(4-methoxyphenyl)thiophene, 2-Acetyl-5-(thiophen-2-yl)-1,6-dihydro[1,1'-biphenyl]-3(2H)-one, Orb2278561. 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 C18H16O2S?

C18H16O2S 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.