Molecular formula

C₁₉H₁₈O₄S

21 compounds have this formula on CompoundList.

Molar mass: 342.41g/mol
Monoisotopic mass: 342.0926Da
Atoms: 42
Elements: 4
Rings plus double bonds: 11

The formula C19H18O4S describes a molecule made of 19 carbon atoms, 18 hydrogen atoms, 4 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 × 1966.65%
12.011 × 19 = 228.209 g/mol
H Hydrogen × 185.30%
1.008 × 18 = 18.144 g/mol
O Oxygen × 418.69%
15.999 × 4 = 63.996 g/mol
S Sulfur × 19.36%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C19H18O4S

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

Showing 1 to 21 of 21 compounds

5-Phenyl-2-[(phenylsulfonyl)methyl]-1,3-cyclohexanedione

CAS 306978-15-4C₁₉H₁₈O₄S

3,3-Bis(hydroxymethyl)-2,3-dihydro-4H-thiochromen-4-one 4-methoxybenzaldehyde acetal

CAS 339028-98-7C₁₉H₁₈O₄S

(Z)-2-((3-Methylthiophen-2-yl)methylene)-3-oxo-2,3-dihydrobenzofuran-6-yl pivalate

CAS 622360-61-6C₁₉H₁₈O₄S

alpha-D-Ribofuranoside, 4-methylphenyl 2,3-anhydro-1-thio-, 5-benzoate

CAS 527681-16-9C₁₉H₁₈O₄S

2-(2-Naphthyloxy)ethyl 4-methylbenzenesulfonate

CAS 859186-38-2C₁₉H₁₈O₄S

Naphthalen-1-yl 2-methoxy-4,5-dimethylbenzenesulfonate

CAS 2361728-63-2C₁₉H₁₈O₄S

Naphthalen-2-yl 2-methoxy-4,5-dimethylbenzene-1-sulfonate

CAS 2361821-87-4C₁₉H₁₈O₄S

Naphthalen-2-yl 5-methoxy-2,4-dimethylbenzene-1-sulfonate

CAS 2361794-01-4C₁₉H₁₈O₄S

Naphthalen-2-yl 2-ethoxy-5-methylbenzene-1-sulfonate

CAS 2361749-38-2C₁₉H₁₈O₄S

Naphthalen-1-yl 2-ethoxy-5-methylbenzenesulfonate

CAS 2728127-69-1C₁₉H₁₈O₄S

Naphthalen-1-yl 4-methoxy-2,5-dimethylbenzene-1-sulfonate

CAS 2870950-74-4C₁₉H₁₈O₄S

(E)-S-Methyl 4-(4-(benzyloxy)-3-methoxyphenyl)-2-oxobut-3-enethioate

CAS 1597410-36-0C₁₉H₁₈O₄S

[(2-Benzoyl-3-oxo-1-phenylbutyl)sulfanyl]acetic acid

CAS 113445-53-7C₁₉H₁₈O₄S

4-(Benzyloxy)-3-oxo-2-(phenylsulfanyl)but-1-en-1-yl acetate

CAS 114743-33-8C₁₉H₁₈O₄S

4,4'-[(Thiophen-2-yl)methylene]bis(2-methylbenzene-1,3-diol)

CAS 178810-20-3C₁₉H₁₈O₄S

Acetic acid--5-methoxy-4-phenyl-1-benzothiepin-3-ol (1/1)

CAS 37014-56-5C₁₉H₁₈O₄S

6-(Benzenesulfinyl)-5-hydroxy-4'-methoxy-1,6-dihydro[1,1'-biphenyl]-3(2H)-one

CAS 67222-02-0C₁₉H₁₈O₄S

4-Acetoxy-3-(4-(methylthio)phenyl)-2-phenylbut-2-enoic acid

CAS 754242-11-0C₁₉H₁₈O₄S

Naphthalen-1-yl 4-methoxy-2,3-dimethylbenzene-1-sulfonate

CAS 3054582-84-9C₁₉H₁₈O₄S

(5R,6R)-5-(Benzenesulfonyl)-6-(2-phenylethenyl)oxan-2-one

CAS 113519-12-3C₁₉H₁₈O₄S

[(Z)-3-Oxo-4-phenylmethoxy-2-phenylsulfanylbut-1-enyl] acetate

C₁₉H₁₈O₄S

Frequently asked questions

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What is the molar mass of C19H18O4S?

The molar mass of C19H18O4S is 342.41 g/mol, calculated from standard atomic weights for 19 carbon atoms, 18 hydrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 342.0926 Da.

How many compounds have the formula C19H18O4S?

CompoundList lists 21 compounds with the molecular formula C19H18O4S, including 5-Phenyl-2-[(phenylsulfonyl)methyl]-1,3-cyclohexanedione, 3,3-Bis(hydroxymethyl)-2,3-dihydro-4H-thiochromen-4-one 4-methoxybenzaldehyde acetal, (Z)-2-((3-Methylthiophen-2-yl)methylene)-3-oxo-2,3-dihydrobenzofuran-6-yl pivalate. 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 C19H18O4S?

C19H18O4S 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.