Molecular formula

C₁₈H₁₅NO₄S

114 compounds have this formula on CompoundList.

Molar mass: 341.38g/mol
Monoisotopic mass: 341.0722Da
Atoms: 39
Elements: 5
Rings plus double bonds: 12

The formula C18H15NO4S describes a molecule made of 18 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 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 × 1863.33%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 154.43%
1.008 × 15 = 15.120 g/mol
N Nitrogen × 14.10%
14.007 × 1 = 14.007 g/mol
O Oxygen × 418.75%
15.999 × 4 = 63.996 g/mol
S Sulfur × 19.39%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C18H15NO4S

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

Showing 101 to 114 of 114 compounds

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(propan-2-ylsulfanyl)benzoate

CAS 2248290-06-2C₁₈H₁₅NO₄S

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(benzylsulfanyl)propanoate

CAS 2248286-80-6C₁₈H₁₅NO₄S

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-[(ethylsulfanyl)methyl]benzoate

CAS 2248400-06-6C₁₈H₁₅NO₄S

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[2-(ethylsulfanyl)phenyl]acetate

CAS 2248318-61-6C₁₈H₁₅NO₄S

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-methyl-3-(phenylsulfanyl)propanoate

CAS 2248410-72-0C₁₈H₁₅NO₄S

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-methyl-4,5,6,7-tetrahydro-1-benzothiophene-2-carboxylate

CAS 2248376-86-3C₁₈H₁₅NO₄S

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(benzylsulfanyl)propanoate

CAS 2248312-76-5C₁₈H₁₅NO₄S

5-{[(Benzyloxy)carbonyl]amino}-3-methyl-1-benzothiophene-2-carboxylic acid

CAS 2383905-39-1C₁₈H₁₅NO₄S

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(methylsulfanyl)-2-phenylpropanoate

CAS 2248335-11-5C₁₈H₁₅NO₄S

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-{[(4-methylphenyl)methyl]sulfanyl}acetate

CAS 2248297-04-1C₁₈H₁₅NO₄S

3-({[(Benzyloxy)carbonyl]amino}methyl)-1-benzothiophene-5-carboxylic acid

CAS 2680900-69-8C₁₈H₁₅NO₄S

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(phenylsulfanyl)butanoate

CAS 2248287-40-1C₁₈H₁₅NO₄S

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-{[(3-methylphenyl)methyl]sulfanyl}acetate

CAS 2248340-34-1C₁₈H₁₅NO₄S

2-({[(Benzyloxy)carbonyl]amino}methyl)-1-benzothiophene-4-carboxylic acid

CAS 2913403-59-3C₁₈H₁₅NO₄S

Frequently asked questions

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What is the molar mass of C18H15NO4S?

The molar mass of C18H15NO4S is 341.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 341.0722 Da.

How many compounds have the formula C18H15NO4S?

CompoundList lists 114 compounds with the molecular formula C18H15NO4S, including 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(propan-2-ylsulfanyl)benzoate, 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(benzylsulfanyl)propanoate, 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-[(ethylsulfanyl)methyl]benzoate. 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 C18H15NO4S?

C18H15NO4S has a degree of unsaturation of 12. 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.