Molecular formula

C₁₇H₁₈O₅S

20 compounds have this formula on CompoundList.

Molar mass: 334.39g/mol
Monoisotopic mass: 334.0875Da
Atoms: 41
Elements: 4
Rings plus double bonds: 9

The formula C17H18O5S describes a molecule made of 17 carbon atoms, 18 hydrogen atoms, 5 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 × 1761.06%
12.011 × 17 = 204.187 g/mol
H Hydrogen × 185.43%
1.008 × 18 = 18.144 g/mol
O Oxygen × 523.92%
15.999 × 5 = 79.995 g/mol
S Sulfur × 19.59%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C17H18O5S

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

Showing 1 to 20 of 20 compounds

1-(4-Hydroxy-3,5-dimethylphenyl)-2-[(4-methoxyphenyl)sulfonyl]-1-ethanone

CAS 339100-53-7C₁₇H₁₈O₅S

Rofecoxib-threo-3,4-dihydrohydroxy acid

CAS 326604-36-8C₁₇H₁₈O₅S

2-(5-Ethyl-4''-(methylsulfonyl)biphenyl-2-yloxy)acetic acid

CAS 777943-84-7C₁₇H₁₈O₅S

Rofecoxib-erythro-3,4-dihydrohydroxy acid

CAS 475158-23-7C₁₇H₁₈O₅S

Methyl 2-[(4-methylbenzenesulfonyl)oxy]-3-phenylpropanoate

CAS 203124-95-2C₁₇H₁₈O₅S

Benzyl 2-[(4-methylbenzene-1-sulfonyl)oxy]propanoate

CAS 117589-36-3C₁₇H₁₈O₅S

2-(4-Methylbenzene-1-sulfonyl)ethyl phenoxyacetate

CAS 651728-12-0C₁₇H₁₈O₅S

(2S)-2-{[4-(Benzyloxy)-3-(methanesulfonyl)phenoxy]methyl}oxirane

CAS 344567-13-1C₁₇H₁₈O₅S

(S)-2-Benzyl-3-(benzyloxy)-3-oxopropane-1-sulfonic acid

CAS 1565818-53-2C₁₇H₁₈O₅S

2-Hydroxy-3,4-dimethoxy-6-[(4-methoxyphenyl)methylsulfanyl]benzaldehyde

CAS 2920573-70-0C₁₇H₁₈O₅S

4-(1-Methylethoxy)-3-[[(4-methylphenyl)sulfonyl]oxy]benzaldehyde

CAS 94283-74-6C₁₇H₁₈O₅S

(5-Methoxy-2,3-dihydro-1-benzofuran-2-yl)methyl 4-methylbenzene-1-sulfonate

CAS 108610-35-1C₁₇H₁₈O₅S

[3-Hydroxy-5-[(E)-2-phenylethenyl]-2-propan-2-ylphenyl] hydrogen sulfate

CAS 2901016-08-6C₁₇H₁₈O₅S

2-(Benzenesulfonyl)-2-ethoxy-1-(4-methoxyphenyl)ethan-1-one

CAS 61821-07-6C₁₇H₁₈O₅S

Propan-2-yl 4-[(4-methylbenzenesulfonyl)oxy]benzoate

CAS 2412997-16-9C₁₇H₁₈O₅S

4-Methylbenzene-1-sulfonic acid--2-(2-benzofuran-1-yl)ethan-1-ol (1/1)

CAS 62591-03-1C₁₇H₁₈O₅S

4-{4-[(Oxan-2-yl)oxy]benzene-1-sulfonyl}phenol

CAS 916152-55-1C₁₇H₁₈O₅S

Ethyl 2-methyl-6-[(4-methylbenzenesulfonyl)oxy]benzoate

CAS 2757903-99-2C₁₇H₁₈O₅S

2-[(4-Methylbenzenesulfonyl)oxy]-4-(propan-2-yl)benzoic acid

CAS 2757916-79-1C₁₇H₁₈O₅S

Methyl 3-{4-[(4-methylbenzenesulfonyl)oxy]phenyl}propanoate

CAS 1555832-10-4C₁₇H₁₈O₅S

Frequently asked questions

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What is the molar mass of C17H18O5S?

The molar mass of C17H18O5S is 334.39 g/mol, calculated from standard atomic weights for 17 carbon atoms, 18 hydrogen atoms, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 334.0875 Da.

How many compounds have the formula C17H18O5S?

CompoundList lists 20 compounds with the molecular formula C17H18O5S, including 1-(4-Hydroxy-3,5-dimethylphenyl)-2-[(4-methoxyphenyl)sulfonyl]-1-ethanone, Rofecoxib-threo-3,4-dihydrohydroxy acid, 2-(5-Ethyl-4''-(methylsulfonyl)biphenyl-2-yloxy)acetic acid. 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 C17H18O5S?

C17H18O5S has a degree of unsaturation of 9. 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.