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Molecular formula

C18H20N6O3S

49 compounds have this formula on CompoundList.

Molar mass
400.46g/mol
Monoisotopic mass
400.1318Da
Atoms
48
Elements
5
Rings plus double bonds
12

The formula C18H20N6O3S describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 6 nitrogen atoms, 3 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 × 1853.99%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 205.03%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 620.99%
    14.007 × 6 = 84.042 g/mol
  • O Oxygen × 311.99%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 18.01%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H20N6O3S

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

Showing 1 to 49 of 49 compounds

N-(3,4-Dimethoxyphenyl)-2-{[4-ethyl-5-(2-pyrazinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C18H20N6O3S, CAS 585559-44-0
N-(3,4-Dimethoxyphenyl)-2-{[4-ethyl-5-(2-pyrazinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 585559-44-0C18H20N6O3S
2-[[3-(4-Methoxyphenyl)-7-triazolo[4,5-d]pyrimidinyl]thio]-N-(2-oxolanylmethyl)acetamide chemical structure, C18H20N6O3S, CAS 863500-67-8
2-[[3-(4-Methoxyphenyl)-7-triazolo[4,5-d]pyrimidinyl]thio]-N-(2-oxolanylmethyl)acetamide
CAS 863500-67-8C18H20N6O3S
2-[3,5-Dimethyl-1-(6-methyl-5-oxo-2H-1,2,4-triazin-3-yl)pyrazol-4-yl]sulfanyl-N-(4-methoxyphenyl)acetamide chemical structure, C18H20N6O3S, CAS 908228-35-3
2-[3,5-Dimethyl-1-(6-methyl-5-oxo-2H-1,2,4-triazin-3-yl)pyrazol-4-yl]sulfanyl-N-(4-methoxyphenyl)acetamide
CAS 908228-35-3C18H20N6O3S
N-[4-[[4-(3,5-Dimethylpyrazol-1-yl)-6-methylpyrimidin-2-yl]sulfamoyl]phenyl]acetamide chemical structure, C18H20N6O3S, CAS 312308-98-8
N-[4-[[4-(3,5-Dimethylpyrazol-1-yl)-6-methylpyrimidin-2-yl]sulfamoyl]phenyl]acetamide
CAS 312308-98-8C18H20N6O3S
N-(3-Acetamidophenyl)-2-((7-oxo-5-propyl-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)thio)acetamide chemical structure, C18H20N6O3S, CAS 895004-69-0
N-(3-Acetamidophenyl)-2-((7-oxo-5-propyl-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)thio)acetamide
CAS 895004-69-0C18H20N6O3S
N-(4-Acetamidophenyl)-2-((7-oxo-5-propyl-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)thio)acetamide chemical structure, C18H20N6O3S, CAS 895004-77-0
N-(4-Acetamidophenyl)-2-((7-oxo-5-propyl-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)thio)acetamide
CAS 895004-77-0C18H20N6O3S
6-Amino-5-[2-[[5-(4-ethylphenyl)-1H-1,2,4-triazol-3-yl]sulfanyl]acetyl]-1,3-dimethylpyrimidine-2,4-dione chemical structure, C18H20N6O3S, CAS 796979-09-4
6-Amino-5-[2-[[5-(4-ethylphenyl)-1H-1,2,4-triazol-3-yl]sulfanyl]acetyl]-1,3-dimethylpyrimidine-2,4-dione
CAS 796979-09-4C18H20N6O3S
N-(3,5-Dimethoxyphenyl)-2-{[4-ethyl-5-(2-pyrazinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C18H20N6O3S, CAS 585556-89-4
N-(3,5-Dimethoxyphenyl)-2-{[4-ethyl-5-(2-pyrazinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 585556-89-4C18H20N6O3S
3-Ethyl-8-((2-methylimidazo[2,1-b]thiazol-6-yl)methyl)-7-(oxetan-3-ylmethyl)-3,7-dihydro-1H-purine-2,6-dione chemical structure, C18H20N6O3S, CAS 3032648-15-7
3-Ethyl-8-((2-methylimidazo[2,1-b]thiazol-6-yl)methyl)-7-(oxetan-3-ylmethyl)-3,7-dihydro-1H-purine-2,6-dione
CAS 3032648-15-7C18H20N6O3S
1-(4-((4-(3-Methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)piperazin-1-yl)sulfonyl)phenyl)ethanone chemical structure, C18H20N6O3S, CAS 1021119-78-7
1-(4-((4-(3-Methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)piperazin-1-yl)sulfonyl)phenyl)ethanone
CAS 1021119-78-7C18H20N6O3S
1-((2-Amino-2-oxoethyl)thio)-N-cyclopentyl-4-methyl-5-oxo-4,5-dihydro-[1,2,4]triazolo[4,3-a]quinazoline-8-carboxamide chemical structure, C18H20N6O3S, CAS 1105225-10-2
1-((2-Amino-2-oxoethyl)thio)-N-cyclopentyl-4-methyl-5-oxo-4,5-dihydro-[1,2,4]triazolo[4,3-a]quinazoline-8-carboxamide
CAS 1105225-10-2C18H20N6O3S
2-((7-(4-Ethoxyphenyl)-6,7-dihydro-5H-imidazo[2,1-c][1,2,4]triazol-3-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide chemical structure, C18H20N6O3S, CAS 921538-81-0
2-((7-(4-Ethoxyphenyl)-6,7-dihydro-5H-imidazo[2,1-c][1,2,4]triazol-3-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide
CAS 921538-81-0C18H20N6O3S
4-(4-Cyano-5-{[3-(1H-imidazol-1-yl)propyl]amino}-1,3-oxazol-2-yl)-N,N-dimethylbenzenesulfonamide chemical structure, C18H20N6O3S, CAS 941265-23-2
4-(4-Cyano-5-{[3-(1H-imidazol-1-yl)propyl]amino}-1,3-oxazol-2-yl)-N,N-dimethylbenzenesulfonamide
CAS 941265-23-2C18H20N6O3S
N-[4-(Azepan-1-ylsulfonyl)phenyl][1,2,4]triazolo[1,5-a]pyrimidine-2-carboxamide chemical structure, C18H20N6O3S, CAS 510712-48-8
N-[4-(Azepan-1-ylsulfonyl)phenyl][1,2,4]triazolo[1,5-a]pyrimidine-2-carboxamide
CAS 510712-48-8C18H20N6O3S
Methyl 5-(2-methylpropyl)-2-({[4-(5-methyl-1H-tetrazol-1-yl)phenyl]carbonyl}amino)-1,3-thiazole-4-carboxylate chemical structure, C18H20N6O3S, CAS 1442084-40-3
Methyl 5-(2-methylpropyl)-2-({[4-(5-methyl-1H-tetrazol-1-yl)phenyl]carbonyl}amino)-1,3-thiazole-4-carboxylate
CAS 1442084-40-3C18H20N6O3S
Methyl 5-(2-methylpropyl)-2-({[2-(5-methyl-1H-tetrazol-1-yl)phenyl]carbonyl}amino)-1,3-thiazole-4-carboxylate chemical structure, C18H20N6O3S, CAS 1442083-69-3
Methyl 5-(2-methylpropyl)-2-({[2-(5-methyl-1H-tetrazol-1-yl)phenyl]carbonyl}amino)-1,3-thiazole-4-carboxylate
CAS 1442083-69-3C18H20N6O3S
Ethyl {2-[({4-[2-(propan-2-yl)-2H-tetrazol-5-yl]phenyl}carbonyl)amino]-1,3-thiazol-4-yl}acetate chemical structure, C18H20N6O3S, CAS 1574400-56-8
Ethyl {2-[({4-[2-(propan-2-yl)-2H-tetrazol-5-yl]phenyl}carbonyl)amino]-1,3-thiazol-4-yl}acetate
CAS 1574400-56-8C18H20N6O3S
Methyl 5-(2-methylpropyl)-2-({[3-(5-methyl-1H-tetrazol-1-yl)phenyl]carbonyl}amino)-1,3-thiazole-4-carboxylate chemical structure, C18H20N6O3S, CAS 1401597-62-3
Methyl 5-(2-methylpropyl)-2-({[3-(5-methyl-1H-tetrazol-1-yl)phenyl]carbonyl}amino)-1,3-thiazole-4-carboxylate
CAS 1401597-62-3C18H20N6O3S
Ethyl 4-methyl-2-[({4-[2-(propan-2-yl)-2H-tetrazol-5-yl]phenyl}carbonyl)amino]-1,3-thiazole-5-carboxylate chemical structure, C18H20N6O3S, CAS 1574529-41-1
Ethyl 4-methyl-2-[({4-[2-(propan-2-yl)-2H-tetrazol-5-yl]phenyl}carbonyl)amino]-1,3-thiazole-5-carboxylate
CAS 1574529-41-1C18H20N6O3S
N-(4-(N-((1-(3,4-Dimethylphenyl)-1H-tetrazol-5-yl)methyl)sulfamoyl)phenyl)acetamide chemical structure, C18H20N6O3S, CAS 941964-23-4
N-(4-(N-((1-(3,4-Dimethylphenyl)-1H-tetrazol-5-yl)methyl)sulfamoyl)phenyl)acetamide
CAS 941964-23-4C18H20N6O3S
N-(3-Methyl-1H-pyrazol-5-yl)-2-({4-oxo-3-[(oxolan-2-yl)methyl]-3H,4H-pyrido[2,3-d]pyrimidin-2-yl}sulfanyl)acetamide chemical structure, C18H20N6O3S, CAS 1106731-18-3
N-(3-Methyl-1H-pyrazol-5-yl)-2-({4-oxo-3-[(oxolan-2-yl)methyl]-3H,4H-pyrido[2,3-d]pyrimidin-2-yl}sulfanyl)acetamide
CAS 1106731-18-3C18H20N6O3S
5-[6-(3-Methoxy-3-oxetanyl)-4-(4-morpholinyl)thieno[3,2-d]pyrimidin-2-yl]-2-pyrimidinamine chemical structure, C18H20N6O3S, CAS 1033739-98-8
5-[6-(3-Methoxy-3-oxetanyl)-4-(4-morpholinyl)thieno[3,2-d]pyrimidin-2-yl]-2-pyrimidinamine
CAS 1033739-98-8C18H20N6O3S
2-(2-Oxo-2-(4-((5-oxo-4-(thiophen-2-yl)-4,5-dihydro-1H-1,2,4-triazol-3-yl)methyl)piperidin-1-yl)ethyl)pyridazin-3(2H)-one chemical structure, C18H20N6O3S, CAS 2034232-65-8
2-(2-Oxo-2-(4-((5-oxo-4-(thiophen-2-yl)-4,5-dihydro-1H-1,2,4-triazol-3-yl)methyl)piperidin-1-yl)ethyl)pyridazin-3(2H)-one
CAS 2034232-65-8C18H20N6O3S
3-(1-(4-Propyl-1,2,3-thiadiazole-5-carbonyl)piperidin-4-yl)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C18H20N6O3S, CAS 2034465-77-3
3-(1-(4-Propyl-1,2,3-thiadiazole-5-carbonyl)piperidin-4-yl)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
CAS 2034465-77-3C18H20N6O3S

Frequently asked questions

What is the molar mass of C18H20N6O3S?

The molar mass of C18H20N6O3S is 400.46 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 6 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 400.1318 Da.

How many compounds have the formula C18H20N6O3S?

CompoundList lists 49 compounds with the molecular formula C18H20N6O3S, including N-(3,4-Dimethoxyphenyl)-2-{[4-ethyl-5-(2-pyrazinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide, 2-[[3-(4-Methoxyphenyl)-7-triazolo[4,5-d]pyrimidinyl]thio]-N-(2-oxolanylmethyl)acetamide, 2-[3,5-Dimethyl-1-(6-methyl-5-oxo-2H-1,2,4-triazin-3-yl)pyrazol-4-yl]sulfanyl-N-(4-methoxyphenyl)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 C18H20N6O3S?

C18H20N6O3S 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.