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Molecular formula

C18H19NO2S2

19 compounds have this formula on CompoundList.

Molar mass
345.47g/mol
Monoisotopic mass
345.0857Da
Atoms
42
Elements
5
Rings plus double bonds
10

The formula C18H19NO2S2 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 2 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 × 1862.58%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 195.54%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 14.05%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 29.26%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 218.56%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C18H19NO2S2

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

Showing 1 to 19 of 19 compounds

Pkm2-IN-1 chemical structure, C18H19NO2S2, CAS 94164-88-2
Pkm2-IN-1
CAS 94164-88-2C18H19NO2S2
9-(4-Methoxyphenyl)-3,4a,5,6,7,8,8a,9-octahydro-2H-5,8-methanothiochromeno[2,3-d][1,3]thiazol-2-one chemical structure, C18H19NO2S2, CAS 1164555-60-5
9-(4-Methoxyphenyl)-3,4a,5,6,7,8,8a,9-octahydro-2H-5,8-methanothiochromeno[2,3-d][1,3]thiazol-2-one
CAS 1164555-60-5C18H19NO2S2
4-(1,3-Dithiolan-2-yl)-N-[(3-methoxyphenyl)methyl]benzamide chemical structure, C18H19NO2S2, CAS 875450-16-1
4-(1,3-Dithiolan-2-yl)-N-[(3-methoxyphenyl)methyl]benzamide
CAS 875450-16-1C18H19NO2S2
5-(2H-Chromen-3-ylmethylene)-3-pentyl-2-thioxo-1,3-thiazolidin-4-one chemical structure, C18H19NO2S2, CAS 618076-44-1
5-(2H-Chromen-3-ylmethylene)-3-pentyl-2-thioxo-1,3-thiazolidin-4-one
CAS 618076-44-1C18H19NO2S2
7-tert-Butyl-2-thiophen-2-yl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d][1,3]oxazin-4-one chemical structure, C18H19NO2S2, CAS 433247-34-8
7-tert-Butyl-2-thiophen-2-yl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d][1,3]oxazin-4-one
CAS 433247-34-8C18H19NO2S2
3'-Methyl-5',6',10b',11'-tetrahydrospiro[[1,3]dithiolane-2,12'-furo[3',4':5,6]pyrido[2,1-a]isoquinolin]-1'(3'H)-one chemical structure, C18H19NO2S2, CAS 99602-94-5
3'-Methyl-5',6',10b',11'-tetrahydrospiro[[1,3]dithiolane-2,12'-furo[3',4':5,6]pyrido[2,1-a]isoquinolin]-1'(3'H)-one
CAS 99602-94-5C18H19NO2S2
3,4-Bis(2,4,5-trimethylthiophen-3-yl)-1H-pyrrole-2,5-dione chemical structure, C18H19NO2S2, CAS 220191-36-6
3,4-Bis(2,4,5-trimethylthiophen-3-yl)-1H-pyrrole-2,5-dione
CAS 220191-36-6C18H19NO2S2
1-[3-Methoxy-4-(thiophen-2-ylmethoxy)phenyl]-N-(thiophen-2-ylmethyl)methanamine chemical structure, C18H19NO2S2, CAS 773864-60-1
1-[3-Methoxy-4-(thiophen-2-ylmethoxy)phenyl]-N-(thiophen-2-ylmethyl)methanamine
CAS 773864-60-1C18H19NO2S2
1-Oxa-4-thia-8-azaspiro[4.5]decan-8-yl(4-(thiophen-3-yl)phenyl)methanone chemical structure, C18H19NO2S2, CAS 2034409-84-0
1-Oxa-4-thia-8-azaspiro[4.5]decan-8-yl(4-(thiophen-3-yl)phenyl)methanone
CAS 2034409-84-0C18H19NO2S2
2-[2-(4-Propoxyphenoxy)ethylsulfanyl]-1,3-benzothiazole chemical structure, C18H19NO2S2, CAS 328964-92-7
2-[2-(4-Propoxyphenoxy)ethylsulfanyl]-1,3-benzothiazole
CAS 328964-92-7C18H19NO2S2
Carbamodithioic acid, diethyl-, 3-(2-furanyl)-3-oxo-1-phenyl-1-propenyl ester chemical structure, C18H19NO2S2, CAS 106128-43-2
Carbamodithioic acid, diethyl-, 3-(2-furanyl)-3-oxo-1-phenyl-1-propenyl ester
CAS 106128-43-2C18H19NO2S2
(5Z)-3-Cyclopentyl-5-[4-(prop-2-en-1-yloxy)benzylidene]-2-thioxo-1,3-thiazolidin-4-one chemical structure, C18H19NO2S2, CAS 849026-59-1
(5Z)-3-Cyclopentyl-5-[4-(prop-2-en-1-yloxy)benzylidene]-2-thioxo-1,3-thiazolidin-4-one
CAS 849026-59-1C18H19NO2S2
(5Z)-3-Isobutyl-5-[(2-methyl-2H-chromen-3-yl)methylene]-2-thioxo-1,3-thiazolidin-4-one chemical structure, C18H19NO2S2, CAS 384369-58-8
(5Z)-3-Isobutyl-5-[(2-methyl-2H-chromen-3-yl)methylene]-2-thioxo-1,3-thiazolidin-4-one
CAS 384369-58-8C18H19NO2S2
(5Z)-3-Butyl-5-[(2-methyl-2H-chromen-3-yl)methylidene]-2-thioxo-1,3-thiazolidin-4-one chemical structure, C18H19NO2S2, CAS 385390-00-1
(5Z)-3-Butyl-5-[(2-methyl-2H-chromen-3-yl)methylidene]-2-thioxo-1,3-thiazolidin-4-one
CAS 385390-00-1C18H19NO2S2
N-(1-(Benzo[b]thiophen-3-yl)propan-2-yl)-4-methylbenzenesulfonamide chemical structure, C18H19NO2S2, CAS 900641-82-9
N-(1-(Benzo[b]thiophen-3-yl)propan-2-yl)-4-methylbenzenesulfonamide
CAS 900641-82-9C18H19NO2S2
N-(5-Hydroxy-3-(thiophen-2-yl)pentyl)benzo[b]thiophene-2-carboxamide chemical structure, C18H19NO2S2, CAS 2034563-81-8
N-(5-Hydroxy-3-(thiophen-2-yl)pentyl)benzo[b]thiophene-2-carboxamide
CAS 2034563-81-8C18H19NO2S2
N-(2-Methyl-2-(thiophen-3-yl)propyl)naphthalene-1-sulfonamide chemical structure, C18H19NO2S2, CAS 2309624-65-3
N-(2-Methyl-2-(thiophen-3-yl)propyl)naphthalene-1-sulfonamide
CAS 2309624-65-3C18H19NO2S2
8Vdv9BH4DT chemical structure, C18H19NO2S2
8Vdv9BH4DT
C18H19NO2S2
N-[(4-Hydroxy-3,4-dihydro-1H-2-benzothiopyran-4-yl)methyl]-2-(methylsulfanyl)benzamide chemical structure, C18H19NO2S2, CAS 2741920-47-6
N-[(4-Hydroxy-3,4-dihydro-1H-2-benzothiopyran-4-yl)methyl]-2-(methylsulfanyl)benzamide
CAS 2741920-47-6C18H19NO2S2

Frequently asked questions

What is the molar mass of C18H19NO2S2?

The molar mass of C18H19NO2S2 is 345.47 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 2 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 345.0857 Da.

How many compounds have the formula C18H19NO2S2?

CompoundList lists 19 compounds with the molecular formula C18H19NO2S2, including Pkm2-IN-1, 9-(4-Methoxyphenyl)-3,4a,5,6,7,8,8a,9-octahydro-2H-5,8-methanothiochromeno[2,3-d][1,3]thiazol-2-one, 4-(1,3-Dithiolan-2-yl)-N-[(3-methoxyphenyl)methyl]benzamide. 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 C18H19NO2S2?

C18H19NO2S2 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.