Molecular formula
C18H20N4O3S2
55 compounds have this formula on CompoundList.
- Molar mass
- 404.50g/mol
- Monoisotopic mass
- 404.0977Da
- Atoms
- 47
- Elements
- 5
- Rings plus double bonds
- 11
The formula C18H20N4O3S2 describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 4 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 × 1853.45%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 204.98%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 413.85%14.007 × 4 = 56.028 g/mol
- O Oxygen × 311.87%15.999 × 3 = 47.997 g/mol
- S Sulfur × 215.85%32.06 × 2 = 64.120 g/mol
Look up another formula
Compounds with the formula C18H20N4O3S2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 55 of 55 compounds
N-(3,4-Dimethoxyphenyl)-2-((4-ethyl-5-(2-thienyl)-4H-1,2,4-triazol-3-yl)sulfanyl)acetamide
CAS 618412-12-7C18H20N4O3S2
![Ethyl 2-{[2-(1H-benzimidazol-2-ylsulfanyl)butanoyl]amino}-4-methyl-1,3-thiazole-5-carboxylate chemical structure, C18H20N4O3S2, CAS 433235-84-8](/s/OVSMFUNZYWXLDL-UHFFFAOYSA-N.svg)
Ethyl 2-{[2-(1H-benzimidazol-2-ylsulfanyl)butanoyl]amino}-4-methyl-1,3-thiazole-5-carboxylate
CAS 433235-84-8C18H20N4O3S2
2-((2-Hydroxyethyl)amino)-3-((Z)-(3-isopropyl-4-oxo-2-thioxo-1,3-thiazol idin-5-ylidene)methyl)-9-methyl-4H-pyrido(1,2-A)pyrimidin-4-one
CAS 442867-67-6C18H20N4O3S2
N-(3,5-Dimethoxyphenyl)-2-((4-ethyl-5-(2-thienyl)-4H-1,2,4-triazol-3-yl)sulfanyl)acetamide
CAS 573960-93-7C18H20N4O3S2
N,N-Dimethyl-4-(2-((pyridin-3-ylmethyl)thio)-4,5-dihydro-1H-imidazole-1-carbonyl)benzenesulfonamide
CAS 851807-84-6C18H20N4O3S2
2-((2-Methoxyethyl)amino)-3-((E)-(4-oxo-3-propyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl)-4H-pyrido(1,2-A)pyrimidin-4-one
CAS 381183-23-9C18H20N4O3S2
![N-(2-((2,5-Dimethoxyphenyl)amino)-4'-methyl-[4,5'-bithiazol]-2'-yl)propionamide chemical structure, C18H20N4O3S2, CAS 412919-82-5](/s/JFOPCMLQDWPJEY-UHFFFAOYSA-N.svg)
N-(2-((2,5-Dimethoxyphenyl)amino)-4'-methyl-[4,5'-bithiazol]-2'-yl)propionamide
CAS 412919-82-5C18H20N4O3S2
4-Ethyl-2-(1H-pyrrol-1-yl)-N-(4-sulfamoylphenethyl)thiazole-5-carboxamide
CAS 1251600-21-1C18H20N4O3S2
![3-{4-[(5-Ethylthiophen-2-yl)sulfonyl]piperazin-1-yl}-6-(furan-2-yl)pyridazine chemical structure, C18H20N4O3S2, CAS 946305-12-0](/s/GIPGCKKPSFOYPA-UHFFFAOYSA-N.svg)
3-{4-[(5-Ethylthiophen-2-yl)sulfonyl]piperazin-1-yl}-6-(furan-2-yl)pyridazine
CAS 946305-12-0C18H20N4O3S2
![4-(2-(4,5-Dimethylbenzo[d]thiazol-2-yl)hydrazinecarbonyl)-N,N-dimethylbenzenesulfonamide chemical structure, C18H20N4O3S2, CAS 851980-46-6](/s/XNEFEWJCPGFEBY-UHFFFAOYSA-N.svg)
4-(2-(4,5-Dimethylbenzo[d]thiazol-2-yl)hydrazinecarbonyl)-N,N-dimethylbenzenesulfonamide
CAS 851980-46-6C18H20N4O3S2
![4-(2-(4,6-Dimethylbenzo[d]thiazol-2-yl)hydrazinecarbonyl)-N,N-dimethylbenzenesulfonamide chemical structure, C18H20N4O3S2, CAS 851987-23-0](/s/LUGILBGOAVTCFT-UHFFFAOYSA-N.svg)
4-(2-(4,6-Dimethylbenzo[d]thiazol-2-yl)hydrazinecarbonyl)-N,N-dimethylbenzenesulfonamide
CAS 851987-23-0C18H20N4O3S2
![4-(2-(5,7-Dimethylbenzo[d]thiazol-2-yl)hydrazinecarbonyl)-N,N-dimethylbenzenesulfonamide chemical structure, C18H20N4O3S2, CAS 851987-54-7](/s/JVPJTYIPGJMDNZ-UHFFFAOYSA-N.svg)
4-(2-(5,7-Dimethylbenzo[d]thiazol-2-yl)hydrazinecarbonyl)-N,N-dimethylbenzenesulfonamide
CAS 851987-54-7C18H20N4O3S2
![(Z)-3-Isopropyl-5-((2-((2-methoxyethyl)amino)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-2-thioxothiazolidin-4-one chemical structure, C18H20N4O3S2, CAS 380589-00-4](/s/RLGUNQAPPAWUQG-RAXLEYEMSA-N.svg)
(Z)-3-Isopropyl-5-((2-((2-methoxyethyl)amino)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-2-thioxothiazolidin-4-one
CAS 380589-00-4C18H20N4O3S2
![(Z)-5-((2-((1-Hydroxybutan-2-yl)amino)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-3-methyl-2-thioxothiazolidin-4-one chemical structure, C18H20N4O3S2, CAS 615272-34-9](/s/FPTGPJHRGBVJCM-JYRVWZFOSA-N.svg)
(Z)-5-((2-((1-Hydroxybutan-2-yl)amino)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-3-methyl-2-thioxothiazolidin-4-one
CAS 615272-34-9C18H20N4O3S2
![3-{[3-(2-Methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-(propylamino)-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C18H20N4O3S2, CAS 378214-15-4](/s/MQNWFEHKLJPLFW-QBFSEMIESA-N.svg)
3-{[3-(2-Methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-2-(propylamino)-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 378214-15-4C18H20N4O3S2
![2-{1-Methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl}-N-[4-(thiophen-2-yl)-1,3-thiazol-2-yl]acetamide chemical structure, C18H20N4O3S2, CAS 1111446-70-8](/s/USWHVTGTZSQWIE-UHFFFAOYSA-N.svg)
2-{1-Methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl}-N-[4-(thiophen-2-yl)-1,3-thiazol-2-yl]acetamide
CAS 1111446-70-8C18H20N4O3S2
![1-[4-(Pyrrolidine-1-carbonyl)phenyl]-3-(4-sulfamoylphenyl)thiourea chemical structure, C18H20N4O3S2, CAS 701968-34-5](/s/YWSVUJDXHMXEFO-UHFFFAOYSA-N.svg)
1-[4-(Pyrrolidine-1-carbonyl)phenyl]-3-(4-sulfamoylphenyl)thiourea
CAS 701968-34-5C18H20N4O3S2
![N-(Furan-2-ylmethyl)-2-{[4-(tetrahydrofuran-2-ylmethyl)-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C18H20N4O3S2, CAS 888623-76-5](/s/ZYDLSFPAKCZFGF-UHFFFAOYSA-N.svg)
N-(Furan-2-ylmethyl)-2-{[4-(tetrahydrofuran-2-ylmethyl)-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 888623-76-5C18H20N4O3S2
![N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-{[3-(thiomorpholin-4-yl)pyrazin-2-yl]sulfanyl}acetamide chemical structure, C18H20N4O3S2, CAS 1189698-99-4](/s/DSHGIORLZUNEQM-UHFFFAOYSA-N.svg)
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-{[3-(thiomorpholin-4-yl)pyrazin-2-yl]sulfanyl}acetamide
CAS 1189698-99-4C18H20N4O3S2
![Methyl 5-(2-methylpropyl)-2-({[2-(1H-pyrrol-1-yl)-1,3-thiazol-4-yl]acetyl}amino)-1,3-thiazole-4-carboxylate chemical structure, C18H20N4O3S2, CAS 1435998-33-6](/s/XGTPWDRSUSXPNZ-UHFFFAOYSA-N.svg)
Methyl 5-(2-methylpropyl)-2-({[2-(1H-pyrrol-1-yl)-1,3-thiazol-4-yl]acetyl}amino)-1,3-thiazole-4-carboxylate
CAS 1435998-33-6C18H20N4O3S2
![2-[(3-Ethoxypropyl)amino]-3-[(Z)-(3-methyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C18H20N4O3S2, CAS 615279-27-1](/s/BUVDQMATFAFHHJ-QBFSEMIESA-N.svg)
2-[(3-Ethoxypropyl)amino]-3-[(Z)-(3-methyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 615279-27-1C18H20N4O3S2
![2-[Acetyl(propan-2-yl)amino]-N-[(2E)-6-methoxy-1,3-benzothiazol-2(3H)-ylidene]-4-methyl-1,3-thiazole-5-carboxamide chemical structure, C18H20N4O3S2, CAS 1219554-58-1](/s/XRXQMSNOOHDXAJ-UHFFFAOYSA-N.svg)
2-[Acetyl(propan-2-yl)amino]-N-[(2E)-6-methoxy-1,3-benzothiazol-2(3H)-ylidene]-4-methyl-1,3-thiazole-5-carboxamide
CAS 1219554-58-1C18H20N4O3S2
N-(3-Methyl-4-(N-(2-(3-(thiophen-3-yl)-1H-pyrazol-1-yl)ethyl)sulfamoyl)phenyl)acetamide
CAS 2034283-64-0C18H20N4O3S2
![Benzo[b]thiophen-2-yl(4-((1-methyl-1H-pyrazol-4-yl)sulfonyl)-1,4-diazepan-1-yl)methanone chemical structure, C18H20N4O3S2, CAS 2034402-34-9](/s/HWOXNWJPNMRWOT-UHFFFAOYSA-N.svg)
Benzo[b]thiophen-2-yl(4-((1-methyl-1H-pyrazol-4-yl)sulfonyl)-1,4-diazepan-1-yl)methanone
CAS 2034402-34-9C18H20N4O3S2
- 4-(N-Butyl-N-methylsulfamoyl)-N-(thieno[2,3-d]pyrimidin-4-yl)benzamide1004223-40-8C18H20N4O3S2
- 2-((5-(Hydroxymethyl)-1-(4-methoxybenzyl)-1H-imidazol-2-yl)thio)-N-(4-methylthiazol-2-yl)acetamide899955-97-6C18H20N4O3S2
- (E)-4-Methyl-N-(3-(2-(3-methylbenzo[d]thiazol-2(3H)-ylidene)hydrazinyl)-3-oxopropyl)benzenesulfonamide941874-48-2C18H20N4O3S2
- 2-[2-(3,4-Dimethoxyphenyl)-1,3-thiazol-4-yl]-N-[(2E)-5-(propan-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]acetamide1190272-89-9C18H20N4O3S2
- 2-(4-(3,5-Dimethyl-1H-pyrazole-4-sulfonamido)phenyl)-N-(thiophen-2-ylmethyl)acetamide1286696-30-7C18H20N4O3S2
- 3-Methyl-N-(2-(thiophen-2-yl)ethyl)-5-(N-(p-tolyl)sulfamoyl)-1H-pyrazole-4-carboxamide1319152-18-5C18H20N4O3S2
- 2-Phenethyl-6-(thiomorpholinosulfonyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one1251559-62-2C18H20N4O3S2
- Methyl 4-(2-((3-thiomorpholinopyrazin-2-yl)thio)acetamido)benzoate1029744-19-1C18H20N4O3S2
- Methyl 2-(2-((3-thiomorpholinopyrazin-2-yl)thio)acetamido)benzoate1029732-68-0C18H20N4O3S2
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((6-thiomorpholinopyrimidin-4-yl)thio)acetamide1421493-15-3C18H20N4O3S2
- N-(3-Acetamidophenyl)-2-((4-(2-(allylamino)-2-oxoethyl)thiazol-2-yl)thio)acetamide953983-18-1C18H20N4O3S2
- N-(4-Acetamidophenyl)-2-((4-(2-(allylamino)-2-oxoethyl)thiazol-2-yl)thio)acetamide941997-23-5C18H20N4O3S2
- N-(4-Acetamidophenyl)-2-((4-(2-(cyclopropylamino)-2-oxoethyl)thiazol-2-yl)thio)acetamide941892-06-4C18H20N4O3S2
- N-(4-{Imidazo[2,1-b][1,3]thiazol-6-yl}phenyl)-1-methanesulfonylpiperidine-4-carboxamide1210525-20-4C18H20N4O3S2
- 2-(2-Methylbenzyl)-6-(thiomorpholinosulfonyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one1251545-39-7C18H20N4O3S2
- 2-(3-Methylbenzyl)-6-(thiomorpholinosulfonyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one1251698-99-3C18H20N4O3S2
- 2-((1-(2-Methoxyethyl)-5-(4-methoxyphenyl)-1H-imidazol-2-yl)thio)-N-(thiazol-2-yl)acetamide1207020-27-6C18H20N4O3S2
- 4-Acetyl-N-(2-(2-(3,5-dimethyl-1H-pyrazol-1-yl)thiazol-4-yl)ethyl)benzenesulfonamide1421516-41-7C18H20N4O3S2
- (4-((1-Methyl-1H-imidazol-2-yl)sulfonyl)piperidin-1-yl)(2-methylbenzo[d]thiazol-6-yl)methanone2034357-60-1C18H20N4O3S2
- Benzo[b]thiophen-2-yl(4-((1-methyl-1H-imidazol-4-yl)sulfonyl)-1,4-diazepan-1-yl)methanone1903537-89-2C18H20N4O3S2
- N-{4-[(1-Methylpyrrolidin-2-ylidene)sulfamoyl]phenyl}-2-(methylsulfanyl)pyridine-3-carboxamide1181480-91-0C18H20N4O3S2
- 4-Methanesulfonyl-2-{4-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}-1,3-benzothiazole2549052-33-5C18H20N4O3S2
- 6-{[5-(1,3-Thiazol-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]sulfonyl}-1,2,3,4-tetrahydroquinolin-2-one2640821-68-5C18H20N4O3S2
- 4-[(4-{[(3-Methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)sulfonyl]-2,1,3-benzothiadiazole2640972-00-3C18H20N4O3S2
- N-[4-Hydroxy-3-(1H-1,2,4-triazol-5-ylsulfanyl)phenyl]-2,3,5,6-tetramethylbenzenesulfonamide670267-86-4C18H20N4O3S2
- 4-[(3-{[(2-Methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)sulfonyl]-2,1,3-benzothiadiazole2380057-34-9C18H20N4O3S2
- 4-Methanesulfonyl-2-{3-[(pyrimidin-2-yloxy)methyl]piperidin-1-yl}-1,3-benzothiazole2415456-71-0C18H20N4O3S2
- 4-Methanesulfonyl-2-{4-[(pyrimidin-2-yloxy)methyl]piperidin-1-yl}-1,3-benzothiazole2415509-11-2C18H20N4O3S2
- 4-Methanesulfonyl-2-{3-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}-1,3-benzothiazole2770638-41-8C18H20N4O3S2
- 4-[4-(4-Methoxy-1,3-benzothiazol-2-yl)piperazin-1-yl]benzene-1-sulfonamide3054551-80-0C18H20N4O3S2
- 4-[4-(5-Methoxy-1,3-benzothiazol-2-yl)piperazin-1-yl]benzene-1-sulfonamide3054616-90-6C18H20N4O3S2
Frequently asked questions
What is the molar mass of C18H20N4O3S2?
The molar mass of C18H20N4O3S2 is 404.50 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 404.0977 Da.
How many compounds have the formula C18H20N4O3S2?
CompoundList lists 55 compounds with the molecular formula C18H20N4O3S2, including N-(3,4-Dimethoxyphenyl)-2-((4-ethyl-5-(2-thienyl)-4H-1,2,4-triazol-3-yl)sulfanyl)acetamide, Ethyl 2-{[2-(1H-benzimidazol-2-ylsulfanyl)butanoyl]amino}-4-methyl-1,3-thiazole-5-carboxylate, 2-((2-Hydroxyethyl)amino)-3-((Z)-(3-isopropyl-4-oxo-2-thioxo-1,3-thiazol idin-5-ylidene)methyl)-9-methyl-4H-pyrido(1,2-A)pyrimidin-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 C18H20N4O3S2?
C18H20N4O3S2 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.