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Molecular formula

C18H19NO3S2

32 compounds have this formula on CompoundList.

Molar mass
361.47g/mol
Monoisotopic mass
361.0806Da
Atoms
43
Elements
5
Rings plus double bonds
10

The formula C18H19NO3S2 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 3 oxygen atoms and 2 sulfur atoms. 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 × 1859.81%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 195.30%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 13.87%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 313.28%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 217.74%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C18H19NO3S2

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

Showing 1 to 32 of 32 compounds

Ethyl 2-{[5-(methylsulfanyl)thiophen-2-yl]carbonyl}-1,2,3,4-tetrahydroisoquinoline-3-carboxylate chemical structure, C18H19NO3S2, CAS 1254944-66-5
Ethyl 2-{[5-(methylsulfanyl)thiophen-2-yl]carbonyl}-1,2,3,4-tetrahydroisoquinoline-3-carboxylate
CAS 1254944-66-5C18H19NO3S2
9-(4-Hydroxy-3-methoxyphenyl)-3,4a,5,6,7,8,8a,9-octahydro-2H-5,8-methanothiochromeno[2,3-d]thiazol-2-one chemical structure, C18H19NO3S2, CAS 1164547-24-3
9-(4-Hydroxy-3-methoxyphenyl)-3,4a,5,6,7,8,8a,9-octahydro-2H-5,8-methanothiochromeno[2,3-d]thiazol-2-one
CAS 1164547-24-3C18H19NO3S2
5-(2H-Chromen-3-ylmethylene)-3-(3-ethoxypropyl)-2-thioxo-1,3-thiazolidin-4-one chemical structure, C18H19NO3S2, CAS 618074-86-5
5-(2H-Chromen-3-ylmethylene)-3-(3-ethoxypropyl)-2-thioxo-1,3-thiazolidin-4-one
CAS 618074-86-5C18H19NO3S2
(2E)-N-(1,1-Dioxidotetrahydrothiophen-3-yl)-3-phenyl-N-(thiophen-2-ylmethyl)prop-2-enamide chemical structure, C18H19NO3S2, CAS 578734-67-5
(2E)-N-(1,1-Dioxidotetrahydrothiophen-3-yl)-3-phenyl-N-(thiophen-2-ylmethyl)prop-2-enamide
CAS 578734-67-5C18H19NO3S2
9-(2-Hydroxy-3-methoxyphenyl)-3,4a,5,6,7,8,8a,9-octahydro-2H-5,8-methanothiochromeno[2,3-d]thiazol-2-one chemical structure, C18H19NO3S2, CAS 1212292-20-0
9-(2-Hydroxy-3-methoxyphenyl)-3,4a,5,6,7,8,8a,9-octahydro-2H-5,8-methanothiochromeno[2,3-d]thiazol-2-one
CAS 1212292-20-0C18H19NO3S2
N-(2-Methoxyethyl)-N-(thiophen-3-ylmethyl)naphthalene-1-sulfonamide chemical structure, C18H19NO3S2, CAS 1323327-03-2
N-(2-Methoxyethyl)-N-(thiophen-3-ylmethyl)naphthalene-1-sulfonamide
CAS 1323327-03-2C18H19NO3S2
Tiotropium EP impurity D chemical structure, C18H19NO3S2, CAS 136310-66-2
Tiotropium EP impurity D
CAS 136310-66-2C18H19NO3S2
Ethyl 2-{[(phenylsulfanyl)acetyl]amino}-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate chemical structure, C18H19NO3S2, CAS 305348-40-7
Ethyl 2-{[(phenylsulfanyl)acetyl]amino}-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate
CAS 305348-40-7C18H19NO3S2
2-(7,8-Dimethyl-1,5-dihydro-2,4-benzodithiepin-3-yl)-4-methyl-6-nitrophenol chemical structure, C18H19NO3S2, CAS 309286-75-7
2-(7,8-Dimethyl-1,5-dihydro-2,4-benzodithiepin-3-yl)-4-methyl-6-nitrophenol
CAS 309286-75-7C18H19NO3S2
Ethyl 2-[[(E)-3-thiophen-2-ylprop-2-enoyl]amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate chemical structure, C18H19NO3S2, CAS 314244-93-4
Ethyl 2-[[(E)-3-thiophen-2-ylprop-2-enoyl]amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
CAS 314244-93-4C18H19NO3S2
6-(4-Oxo-5-(3-phenylallylidene)-2-thioxothiazolidin-3-yl)hexanoic acid chemical structure, C18H19NO3S2, CAS 15059-29-7
6-(4-Oxo-5-(3-phenylallylidene)-2-thioxothiazolidin-3-yl)hexanoic acid
CAS 15059-29-7C18H19NO3S2
Isopropyl 3-{(5Z)-4-oxo-5-[(2E)-3-phenylprop-2-enylidene]-2-thioxo-1,3-thiazolidin-3-yl}propanoate chemical structure, C18H19NO3S2, CAS 429644-00-8
Isopropyl 3-{(5Z)-4-oxo-5-[(2E)-3-phenylprop-2-enylidene]-2-thioxo-1,3-thiazolidin-3-yl}propanoate
CAS 429644-00-8C18H19NO3S2
Methyl 2-(2-(methylthio)benzamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate chemical structure, C18H19NO3S2, CAS 833434-24-5
Methyl 2-(2-(methylthio)benzamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate
CAS 833434-24-5C18H19NO3S2
N-(Furan-2-ylmethyl)-3,4-dimethyl-N-(thiophen-3-ylmethyl)benzenesulfonamide chemical structure, C18H19NO3S2, CAS 1226431-50-0
N-(Furan-2-ylmethyl)-3,4-dimethyl-N-(thiophen-3-ylmethyl)benzenesulfonamide
CAS 1226431-50-0C18H19NO3S2
((1R,5S)-3-(Phenylsulfonyl)-8-azabicyclo[3.2.1]octan-8-yl)(thiophen-3-yl)methanone chemical structure, C18H19NO3S2, CAS 1448034-18-1
((1R,5S)-3-(Phenylsulfonyl)-8-azabicyclo[3.2.1]octan-8-yl)(thiophen-3-yl)methanone
CAS 1448034-18-1C18H19NO3S2
Methyl 2-((1-(4-(thiophen-3-yl)benzoyl)pyrrolidin-3-yl)thio)acetate chemical structure, C18H19NO3S2, CAS 2034407-44-6
Methyl 2-((1-(4-(thiophen-3-yl)benzoyl)pyrrolidin-3-yl)thio)acetate
CAS 2034407-44-6C18H19NO3S2
(1)Benzothieno(3,2-c)pyridine, 1,2,3,4-tetrahydro-4-phenyl-, methanesulfonate chemical structure, C18H19NO3S2, CAS 70547-08-9
(1)Benzothieno(3,2-c)pyridine, 1,2,3,4-tetrahydro-4-phenyl-, methanesulfonate
CAS 70547-08-9C18H19NO3S2
(5Z)-3-(3-Methoxypropyl)-5-[(2-methyl-2H-chromen-3-yl)methylidene]-2-thioxo-1,3-thiazolidin-4-one chemical structure, C18H19NO3S2, CAS 371135-19-2
(5Z)-3-(3-Methoxypropyl)-5-[(2-methyl-2H-chromen-3-yl)methylidene]-2-thioxo-1,3-thiazolidin-4-one
CAS 371135-19-2C18H19NO3S2
Methyl 2-(3-(methylthio)benzamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate chemical structure, C18H19NO3S2, CAS 896339-82-5
Methyl 2-(3-(methylthio)benzamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate
CAS 896339-82-5C18H19NO3S2
Methyl 2-(4-(methylthio)benzamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate chemical structure, C18H19NO3S2, CAS 896353-86-9
Methyl 2-(4-(methylthio)benzamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate
CAS 896353-86-9C18H19NO3S2
1H-Pyrrole-2,5-dione, 3,4-bis(2,5-dimethyl-3-thienyl)-1-(2-hydroxyethyl)- chemical structure, C18H19NO3S2, CAS 519164-65-9
1H-Pyrrole-2,5-dione, 3,4-bis(2,5-dimethyl-3-thienyl)-1-(2-hydroxyethyl)-
CAS 519164-65-9C18H19NO3S2
TiotropiuM BroMide IMpurity D chemical structure, C18H19NO3S2, CAS 736108-96-6
TiotropiuM BroMide IMpurity D
CAS 736108-96-6C18H19NO3S2
2-(Benzo[d][1,3]dioxol-5-yl)-1-(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)ethanone chemical structure, C18H19NO3S2, CAS 1705068-23-0
2-(Benzo[d][1,3]dioxol-5-yl)-1-(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)ethanone
CAS 1705068-23-0C18H19NO3S2
N-(2-(5-(Furan-3-yl)thiophen-2-yl)ethyl)-1-(m-tolyl)methanesulfonamide chemical structure, C18H19NO3S2, CAS 2034498-76-3
N-(2-(5-(Furan-3-yl)thiophen-2-yl)ethyl)-1-(m-tolyl)methanesulfonamide
CAS 2034498-76-3C18H19NO3S2

Frequently asked questions

What is the molar mass of C18H19NO3S2?

The molar mass of C18H19NO3S2 is 361.47 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 361.0806 Da.

How many compounds have the formula C18H19NO3S2?

CompoundList lists 32 compounds with the molecular formula C18H19NO3S2, including Ethyl 2-{[5-(methylsulfanyl)thiophen-2-yl]carbonyl}-1,2,3,4-tetrahydroisoquinoline-3-carboxylate, 9-(4-Hydroxy-3-methoxyphenyl)-3,4a,5,6,7,8,8a,9-octahydro-2H-5,8-methanothiochromeno[2,3-d]thiazol-2-one, 5-(2H-Chromen-3-ylmethylene)-3-(3-ethoxypropyl)-2-thioxo-1,3-thiazolidin-4-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 C18H19NO3S2?

C18H19NO3S2 has a degree of unsaturation of 10. 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.