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Molecular formula

C18H19N3O3S2

129 compounds have this formula on CompoundList.

Molar mass
389.49g/mol
Monoisotopic mass
389.0868Da
Atoms
45
Elements
5
Rings plus double bonds
11

The formula C18H19N3O3S2 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 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 × 1855.51%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 194.92%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 310.79%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 312.32%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 216.46%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C18H19N3O3S2

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

Showing 101 to 129 of 129 compounds

2-(Thiophen-3-yl)-5-(1-tosylpiperidin-4-yl)-1,3,4-oxadiazole chemical structure, C18H19N3O3S2, CAS 1448136-18-2
2-(Thiophen-3-yl)-5-(1-tosylpiperidin-4-yl)-1,3,4-oxadiazole
CAS 1448136-18-2C18H19N3O3S2
N-(3,4-Dimethylphenyl)-2-((3-(2-hydroxyethyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide chemical structure, C18H19N3O3S2, CAS 1798620-51-5
N-(3,4-Dimethylphenyl)-2-((3-(2-hydroxyethyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide
CAS 1798620-51-5C18H19N3O3S2
2-((3-(2-Hydroxyethyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(4-methylbenzyl)acetamide chemical structure, C18H19N3O3S2, CAS 1795190-52-1
2-((3-(2-Hydroxyethyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(4-methylbenzyl)acetamide
CAS 1795190-52-1C18H19N3O3S2
N-(2,4-Dimethylphenyl)-2-((3-(2-hydroxyethyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide chemical structure, C18H19N3O3S2, CAS 1798672-20-4
N-(2,4-Dimethylphenyl)-2-((3-(2-hydroxyethyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide
CAS 1798672-20-4C18H19N3O3S2
N-(3,5-Dimethylphenyl)-2-((3-(2-hydroxyethyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide chemical structure, C18H19N3O3S2, CAS 1795298-47-3
N-(3,5-Dimethylphenyl)-2-((3-(2-hydroxyethyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide
CAS 1795298-47-3C18H19N3O3S2
N-Benzyl-2-((3-(2-hydroxypropyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide chemical structure, C18H19N3O3S2, CAS 1798620-60-6
N-Benzyl-2-((3-(2-hydroxypropyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide
CAS 1798620-60-6C18H19N3O3S2
5-((1-(Phenylsulfonyl)piperidin-3-yl)methyl)-3-(thiophen-3-yl)-1,2,4-oxadiazole chemical structure, C18H19N3O3S2, CAS 1798487-60-1
5-((1-(Phenylsulfonyl)piperidin-3-yl)methyl)-3-(thiophen-3-yl)-1,2,4-oxadiazole
CAS 1798487-60-1C18H19N3O3S2
N-(2-(2,4-Dioxo-1,2-dihydrothieno[3,2-d]pyrimidin-3(4H)-yl)ethyl)-1-(thiophen-2-yl)cyclopentanecarboxamide chemical structure, C18H19N3O3S2, CAS 2034354-20-4
N-(2-(2,4-Dioxo-1,2-dihydrothieno[3,2-d]pyrimidin-3(4H)-yl)ethyl)-1-(thiophen-2-yl)cyclopentanecarboxamide
CAS 2034354-20-4C18H19N3O3S2
3-Methyl-5-{1-[(5-methylthiophen-2-yl)sulfonyl]-4-phenylpyrrolidin-3-yl}-1,2,4-oxadiazole chemical structure, C18H19N3O3S2, CAS 1903382-48-8
3-Methyl-5-{1-[(5-methylthiophen-2-yl)sulfonyl]-4-phenylpyrrolidin-3-yl}-1,2,4-oxadiazole
CAS 1903382-48-8C18H19N3O3S2
N-(2-(1H-Pyrazol-1-yl)-2-(thiophen-2-yl)ethyl)-3-(phenylsulfonyl)propanamide chemical structure, C18H19N3O3S2, CAS 2034344-51-7
N-(2-(1H-Pyrazol-1-yl)-2-(thiophen-2-yl)ethyl)-3-(phenylsulfonyl)propanamide
CAS 2034344-51-7C18H19N3O3S2
N-(2-(1H-Pyrazol-1-yl)-2-(thiophen-3-yl)ethyl)-3-(phenylsulfonyl)propanamide chemical structure, C18H19N3O3S2, CAS 2034493-58-6
N-(2-(1H-Pyrazol-1-yl)-2-(thiophen-3-yl)ethyl)-3-(phenylsulfonyl)propanamide
CAS 2034493-58-6C18H19N3O3S2
1-((4-(1H-Pyrazol-1-yl)phenyl)sulfonyl)-4-(thiophen-3-yloxy)piperidine chemical structure, C18H19N3O3S2, CAS 2034365-37-0
1-((4-(1H-Pyrazol-1-yl)phenyl)sulfonyl)-4-(thiophen-3-yloxy)piperidine
CAS 2034365-37-0C18H19N3O3S2
N-(5,7-Dimethyl-1,3-benzothiazol-2-yl)-4-(dimethylsulfamoyl)benzamide chemical structure, C18H19N3O3S2, CAS 862807-78-1
N-(5,7-Dimethyl-1,3-benzothiazol-2-yl)-4-(dimethylsulfamoyl)benzamide
CAS 862807-78-1C18H19N3O3S2
4-(Azepan-1-ylsulfonyl)-N-(3-cyanothiophen-2-yl)benzamide chemical structure, C18H19N3O3S2, CAS 897615-88-2
4-(Azepan-1-ylsulfonyl)-N-(3-cyanothiophen-2-yl)benzamide
CAS 897615-88-2C18H19N3O3S2
4-(Dimethylsulfamoyl)-N-(4-ethyl-1,3-benzothiazol-2-yl)benzamide chemical structure, C18H19N3O3S2, CAS 892856-03-0
4-(Dimethylsulfamoyl)-N-(4-ethyl-1,3-benzothiazol-2-yl)benzamide
CAS 892856-03-0C18H19N3O3S2
N-(5,6-Dimethyl-1,3-benzothiazol-2-yl)-4-(dimethylsulfamoyl)benzamide chemical structure, C18H19N3O3S2, CAS 898372-14-0
N-(5,6-Dimethyl-1,3-benzothiazol-2-yl)-4-(dimethylsulfamoyl)benzamide
CAS 898372-14-0C18H19N3O3S2
Ethyl 2-{2-[(3-cyano-6-methylpyridin-2-yl)sulfanyl]acetamido}-4,5-dimethylthiophene-3-carboxylate chemical structure, C18H19N3O3S2, CAS 938027-37-3
Ethyl 2-{2-[(3-cyano-6-methylpyridin-2-yl)sulfanyl]acetamido}-4,5-dimethylthiophene-3-carboxylate
CAS 938027-37-3C18H19N3O3S2
2-((1,1-Dioxido-4H-benzo[e][1,2,4]thiadiazin-3-yl)thio)-N-mesitylacetamide chemical structure, C18H19N3O3S2, CAS 886953-34-0
2-((1,1-Dioxido-4H-benzo[e][1,2,4]thiadiazin-3-yl)thio)-N-mesitylacetamide
CAS 886953-34-0C18H19N3O3S2
N-(Benzo[d]thiazol-5-yl)-4-(N,N-diethylsulfamoyl)benzamide chemical structure, C18H19N3O3S2, CAS 922920-57-8
N-(Benzo[d]thiazol-5-yl)-4-(N,N-diethylsulfamoyl)benzamide
CAS 922920-57-8C18H19N3O3S2
N-Benzyl-2-((1,1-dioxido-4H-benzo[e][1,2,4]thiadiazin-3-yl)thio)-N-ethylacetamide chemical structure, C18H19N3O3S2, CAS 899724-61-9
N-Benzyl-2-((1,1-dioxido-4H-benzo[e][1,2,4]thiadiazin-3-yl)thio)-N-ethylacetamide
CAS 899724-61-9C18H19N3O3S2
N-[1-(1H-Indol-2-ylcarbonyl)piperidin-4-yl]thiophene-2-sulfonamide chemical structure, C18H19N3O3S2, CAS 1282104-26-0
N-[1-(1H-Indol-2-ylcarbonyl)piperidin-4-yl]thiophene-2-sulfonamide
CAS 1282104-26-0C18H19N3O3S2
N-[(4-Hydroxy-4,5,6,7-tetrahydro-1-benzothiophen-4-yl)methyl]-4-(1H-pyrazol-1-yl)benzene-1-sulfonamide chemical structure, C18H19N3O3S2, CAS 2549031-06-1
N-[(4-Hydroxy-4,5,6,7-tetrahydro-1-benzothiophen-4-yl)methyl]-4-(1H-pyrazol-1-yl)benzene-1-sulfonamide
CAS 2549031-06-1C18H19N3O3S2
N-{2-[5-(1-Methyl-1H-pyrazol-4-yl)thiophen-2-yl]ethyl}-2,3-dihydro-1-benzofuran-5-sulfonamide chemical structure, C18H19N3O3S2, CAS 2640891-94-5
N-{2-[5-(1-Methyl-1H-pyrazol-4-yl)thiophen-2-yl]ethyl}-2,3-dihydro-1-benzofuran-5-sulfonamide
CAS 2640891-94-5C18H19N3O3S2
2-[(5,6-Dimethyl-4-oxo-3H-thieno[2,3-d]pyrimidin-2-yl)sulfanyl]-N-(2-ethoxyphenyl)acetamide chemical structure, C18H19N3O3S2, CAS 606107-94-2
2-[(5,6-Dimethyl-4-oxo-3H-thieno[2,3-d]pyrimidin-2-yl)sulfanyl]-N-(2-ethoxyphenyl)acetamide
CAS 606107-94-2C18H19N3O3S2

Frequently asked questions

What is the molar mass of C18H19N3O3S2?

The molar mass of C18H19N3O3S2 is 389.49 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 389.0868 Da.

How many compounds have the formula C18H19N3O3S2?

CompoundList lists 129 compounds with the molecular formula C18H19N3O3S2, including 2-(Thiophen-3-yl)-5-(1-tosylpiperidin-4-yl)-1,3,4-oxadiazole, N-(3,4-Dimethylphenyl)-2-((3-(2-hydroxyethyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide, 2-((3-(2-Hydroxyethyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(4-methylbenzyl)acetamide. 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 C18H19N3O3S2?

C18H19N3O3S2 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.