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Molecular formula

C18H16O3S

32 compounds have this formula on CompoundList.

Molar mass
312.38g/mol
Monoisotopic mass
312.0820Da
Atoms
38
Elements
4
Rings plus double bonds
11

The formula C18H16O3S describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 3 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 × 1869.21%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 165.16%
    1.008 × 16 = 16.128 g/mol
  • O Oxygen × 315.36%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 110.26%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H16O3S

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

Showing 1 to 32 of 32 compounds

Methyl 2-[(3-oxo-1-phenyl-2,3-dihydro-1H-inden-4-yl)sulfanyl]acetate chemical structure, C18H16O3S, CAS 337921-72-9
Methyl 2-[(3-oxo-1-phenyl-2,3-dihydro-1H-inden-4-yl)sulfanyl]acetate
CAS 337921-72-9C18H16O3S
3,3-Bis(Hydroxymethyl)-2,3-dihydro-4H-thiochromen-4-one benzaldehyde acetal chemical structure, C18H16O3S, CAS 338755-84-3
3,3-Bis(Hydroxymethyl)-2,3-dihydro-4H-thiochromen-4-one benzaldehyde acetal
CAS 338755-84-3C18H16O3S
(E)-1-(5-Hydroxy-2,2-dimethylchromen-6-yl)-3-thiophen-2-ylprop-2-en-1-one chemical structure, C18H16O3S, CAS 1384268-04-5
(E)-1-(5-Hydroxy-2,2-dimethylchromen-6-yl)-3-thiophen-2-ylprop-2-en-1-one
CAS 1384268-04-5C18H16O3S
Dibenzo(b,f)thiepin-2-acetic acid, 10,11-dihydro-alpha,8-dimethyl-11-oxo- chemical structure, C18H16O3S, CAS 77693-03-9
Dibenzo(b,f)thiepin-2-acetic acid, 10,11-dihydro-alpha,8-dimethyl-11-oxo-
CAS 77693-03-9C18H16O3S
Benzo[b]thiophene-6-carboxylic acid,3-cyclopentyl-2-(3-furanyl)- chemical structure, C18H16O3S, CAS 494799-61-0
Benzo[b]thiophene-6-carboxylic acid,3-cyclopentyl-2-(3-furanyl)-
CAS 494799-61-0C18H16O3S
(Z)-6-((2-Methylallyl)oxy)-2-((3-methylthiophen-2-yl)methylene)benzofuran-3(2H)-one chemical structure, C18H16O3S, CAS 620547-43-5
(Z)-6-((2-Methylallyl)oxy)-2-((3-methylthiophen-2-yl)methylene)benzofuran-3(2H)-one
CAS 620547-43-5C18H16O3S
(Z)-6-((3-Methylbut-2-en-1-yl)oxy)-2-(thiophen-2-ylmethylene)benzofuran-3(2H)-one chemical structure, C18H16O3S, CAS 623121-81-3
(Z)-6-((3-Methylbut-2-en-1-yl)oxy)-2-(thiophen-2-ylmethylene)benzofuran-3(2H)-one
CAS 623121-81-3C18H16O3S
4-Methyl-7-(2-phenylsulfanylethoxy)chromen-2-one chemical structure, C18H16O3S, CAS 158718-08-2
4-Methyl-7-(2-phenylsulfanylethoxy)chromen-2-one
CAS 158718-08-2C18H16O3S
4H-1-Benzopyran-4-one, 2,3-dihydro-3-((4-methoxyphenyl)methylene)-6-(methylthio)-, (E)- chemical structure, C18H16O3S, CAS 130688-93-6
4H-1-Benzopyran-4-one, 2,3-dihydro-3-((4-methoxyphenyl)methylene)-6-(methylthio)-, (E)-
CAS 130688-93-6C18H16O3S
4H-1-Benzothiopyran-4-one, 2,3-dihydro-3-((3,4-dimethoxyphenyl)methylene)-, (Z)- chemical structure, C18H16O3S, CAS 130688-99-2
4H-1-Benzothiopyran-4-one, 2,3-dihydro-3-((3,4-dimethoxyphenyl)methylene)-, (Z)-
CAS 130688-99-2C18H16O3S
4H-1-Benzothiopyran-4-one, 2,3-dihydro-6-methoxy-3-((4-methoxyphenyl)methylene)-, (Z)- chemical structure, C18H16O3S, CAS 130689-04-2
4H-1-Benzothiopyran-4-one, 2,3-dihydro-6-methoxy-3-((4-methoxyphenyl)methylene)-, (Z)-
CAS 130689-04-2C18H16O3S
S-Cinnamoyl-alpha-mercapto-beta-phenylpropionate chemical structure, C18H16O3S, CAS 54845-97-5
S-Cinnamoyl-alpha-mercapto-beta-phenylpropionate
CAS 54845-97-5C18H16O3S
1-Benzothiepin, 3,5-dimethoxy-4-phenyl-, 1-oxide chemical structure, C18H16O3S, CAS 57458-90-9
1-Benzothiepin, 3,5-dimethoxy-4-phenyl-, 1-oxide
CAS 57458-90-9C18H16O3S
6-Hydroxy-2-methyl-2-[4-(phenylthio)phenyl]-2H-pyran-3(6H)-one chemical structure, C18H16O3S, CAS 102285-67-6
6-Hydroxy-2-methyl-2-[4-(phenylthio)phenyl]-2H-pyran-3(6H)-one
CAS 102285-67-6C18H16O3S
Naphthalen-1-yl 3,4-dimethylbenzene-1-sulfonate chemical structure, C18H16O3S, CAS 111939-36-7
Naphthalen-1-yl 3,4-dimethylbenzene-1-sulfonate
CAS 111939-36-7C18H16O3S
5-Methyl-3-(4-methylbenzene-1-sulfonyl)-2-phenylfuran chemical structure, C18H16O3S, CAS 115563-21-8
5-Methyl-3-(4-methylbenzene-1-sulfonyl)-2-phenylfuran
CAS 115563-21-8C18H16O3S
2-(2-Phenoxyethyl)-1-benzothiophen-3-yl acetate chemical structure, C18H16O3S, CAS 6287-96-3
2-(2-Phenoxyethyl)-1-benzothiophen-3-yl acetate
CAS 6287-96-3C18H16O3S
2-Methyl-4-(4-methyldibenzo[b,d]thiophen-2-yl)-4-oxobutanoic acid chemical structure, C18H16O3S, CAS 26048-01-1
2-Methyl-4-(4-methyldibenzo[b,d]thiophen-2-yl)-4-oxobutanoic acid
CAS 26048-01-1C18H16O3S
9H-Thioxanthene-3-carboxylic acid, 7-(1,1-dimethylethyl)-9-oxo- chemical structure, C18H16O3S, CAS 51763-02-1
9H-Thioxanthene-3-carboxylic acid, 7-(1,1-dimethylethyl)-9-oxo-
CAS 51763-02-1C18H16O3S
1H-Cyclopenta[l]phenanthren-2-ol, 2,3-dihydro-, 2-methanesulfonate chemical structure, C18H16O3S, CAS 35691-94-2
1H-Cyclopenta[l]phenanthren-2-ol, 2,3-dihydro-, 2-methanesulfonate
CAS 35691-94-2C18H16O3S
Naphthalen-2-yl 3,4-dimethylbenzene-1-sulfonate chemical structure, C18H16O3S, CAS 111939-37-8
Naphthalen-2-yl 3,4-dimethylbenzene-1-sulfonate
CAS 111939-37-8C18H16O3S
6-[2-(3,5-Dimethoxyphenyl)ethenyl]-1-benzothiophene-4-ol chemical structure, C18H16O3S, CAS 832128-17-3
6-[2-(3,5-Dimethoxyphenyl)ethenyl]-1-benzothiophene-4-ol
CAS 832128-17-3C18H16O3S
Methyl 3-(4-hydroxy-2-methylphenyl)-2-methylbenzo[b]thiophene-5-carboxylate chemical structure, C18H16O3S, CAS 1905453-10-2
Methyl 3-(4-hydroxy-2-methylphenyl)-2-methylbenzo[b]thiophene-5-carboxylate
CAS 1905453-10-2C18H16O3S
Methyl 4-(5-(hydroxymethyl)benzo[b]thiophen-3-yl)-3-methylbenzoate chemical structure, C18H16O3S, CAS 1905452-77-8
Methyl 4-(5-(hydroxymethyl)benzo[b]thiophen-3-yl)-3-methylbenzoate
CAS 1905452-77-8C18H16O3S

Frequently asked questions

What is the molar mass of C18H16O3S?

The molar mass of C18H16O3S is 312.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 312.0820 Da.

How many compounds have the formula C18H16O3S?

CompoundList lists 32 compounds with the molecular formula C18H16O3S, including Methyl 2-[(3-oxo-1-phenyl-2,3-dihydro-1H-inden-4-yl)sulfanyl]acetate, 3,3-Bis(Hydroxymethyl)-2,3-dihydro-4H-thiochromen-4-one benzaldehyde acetal, (E)-1-(5-Hydroxy-2,2-dimethylchromen-6-yl)-3-thiophen-2-ylprop-2-en-1-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 C18H16O3S?

C18H16O3S 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.