Molecular formula
C18H19N3O4S2
80 compounds have this formula on CompoundList.
- Molar mass
- 405.49g/mol
- Monoisotopic mass
- 405.0817Da
- Atoms
- 46
- Elements
- 5
- Rings plus double bonds
- 11
The formula C18H19N3O4S2 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 4 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 × 1853.32%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 194.72%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 310.36%14.007 × 3 = 42.021 g/mol
- O Oxygen × 415.78%15.999 × 4 = 63.996 g/mol
- S Sulfur × 215.81%32.06 × 2 = 64.120 g/mol
Look up another formula
Compounds with the formula C18H19N3O4S2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 80 of 80 compounds
![[2-[(1,1-Dioxo-1,2-benzothiazol-3-yl)amino]-5-ethylthiophen-3-yl]-morpholin-4-ylmethanone chemical structure, C18H19N3O4S2, CAS 801227-87-2](/s/RQBZVZNVHFIZSY-UHFFFAOYSA-N.svg)
[2-[(1,1-Dioxo-1,2-benzothiazol-3-yl)amino]-5-ethylthiophen-3-yl]-morpholin-4-ylmethanone
CAS 801227-87-2C18H19N3O4S2
![N-[(2H-1,3-Benzodioxol-5-yl)methyl]-2-({3-ethyl-4-oxo-3H,4H,6H,7H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide chemical structure, C18H19N3O4S2, CAS 869076-68-6](/s/KSOXWARLCIJZLL-UHFFFAOYSA-N.svg)
N-[(2H-1,3-Benzodioxol-5-yl)methyl]-2-({3-ethyl-4-oxo-3H,4H,6H,7H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide
CAS 869076-68-6C18H19N3O4S2
![N-(2,4-Dimethoxyphenyl)-2-(3,6-dimethyl-4-oxothieno[2,3-d]pyrimidin-2-yl)sulfanylacetamide chemical structure, C18H19N3O4S2, CAS 878695-38-6](/s/GQUPQXNHETWWCE-UHFFFAOYSA-N.svg)
N-(2,4-Dimethoxyphenyl)-2-(3,6-dimethyl-4-oxothieno[2,3-d]pyrimidin-2-yl)sulfanylacetamide
CAS 878695-38-6C18H19N3O4S2
![N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((3,6-dimethyl-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide chemical structure, C18H19N3O4S2, CAS 688353-40-4](/s/TULMGZHFDPHPQU-UHFFFAOYSA-N.svg)
N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((3,6-dimethyl-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide
CAS 688353-40-4C18H19N3O4S2
1,1-Dioxo-N-(4-piperidin-1-ylsulfonylphenyl)-1,2-benzothiazol-3-amine
CAS 792940-74-0C18H19N3O4S2
![N-(1,3-Benzodioxol-5-yl)-2-[(3-ethyl-6-methyl-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl)sulfanyl]acetamide chemical structure, C18H19N3O4S2, CAS 851409-46-6](/s/LPVJMGFAQXIAIW-UHFFFAOYSA-N.svg)
N-(1,3-Benzodioxol-5-yl)-2-[(3-ethyl-6-methyl-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl)sulfanyl]acetamide
CAS 851409-46-6C18H19N3O4S2
N-(3,4-Dihydro-2H-pyrrol-5-yl)-3-(2-phenylethenesulfonamido)benzene-1-sulfonamide
CAS 733796-00-4C18H19N3O4S2
2,5-Dimethoxy-N-(2-(2-(pyridin-3-yl)thiazol-4-yl)ethyl)benzenesulfonamide
CAS 863512-09-8C18H19N3O4S2
N-Prop-2-enyl-N'-(1-thiophen-2-ylsulfonyl-3,4-dihydro-2H-quinolin-7-yl)oxamide
CAS 898448-22-1C18H19N3O4S2
4-(Dimethylsulfamoyl)-N-(4-methoxy-7-methyl-1,3-benzothiazol-2-yl)benzamide
CAS 862807-54-3C18H19N3O4S2
2-(Benzenesulfonyl)-4,5-dimethyl-1-(4-nitrophenyl)imino-3,6-dihydrothiazine
CAS 324057-81-0C18H19N3O4S2
4-(Dimethylsulfamoyl)-N-(4-methoxy-3-methyl-1,3-benzothiazol-2-ylidene)benzamide
CAS 441291-30-1C18H19N3O4S2
3-(5-Ethylfuran-2-yl)-N-(4-(N-(thiazol-2-yl)sulfamoyl)phenyl)propanamide
CAS 709000-59-9C18H19N3O4S2
![4-[3-[(E)-(3-Ethyl-2,4-dioxo-1,3-thiazolidin-5-ylidene)methyl]-2,5-dimethylpyrrol-1-yl]benzenesulfonamide chemical structure, C18H19N3O4S2, CAS 587004-35-1](/s/ZMUKRSJITNMBHD-MHWRWJLKSA-N.svg)
4-[3-[(E)-(3-Ethyl-2,4-dioxo-1,3-thiazolidin-5-ylidene)methyl]-2,5-dimethylpyrrol-1-yl]benzenesulfonamide
CAS 587004-35-1C18H19N3O4S2
![4-[1-(Thiophene-2-sulfonyl)piperidine-4-carbonyl]-1,2,3,4-tetrahydroquinoxalin-2-one chemical structure, C18H19N3O4S2, CAS 778620-55-6](/s/FSHADVUJOIDAQH-UHFFFAOYSA-N.svg)
4-[1-(Thiophene-2-sulfonyl)piperidine-4-carbonyl]-1,2,3,4-tetrahydroquinoxalin-2-one
CAS 778620-55-6C18H19N3O4S2
3-Butoxy-N-(6-sulfamoyl-1,3-benzothiazol-2-yl)benzamide
CAS 477553-74-5C18H19N3O4S2
![N-[(Furan-2-yl)methyl]-3-[2-(4-methylbenzenesulfonamido)-1,3-thiazol-4-yl]propanamide chemical structure, C18H19N3O4S2, CAS 1040669-65-5](/s/LZMPYFIDPDLUIK-UHFFFAOYSA-N.svg)
N-[(Furan-2-yl)methyl]-3-[2-(4-methylbenzenesulfonamido)-1,3-thiazol-4-yl]propanamide
CAS 1040669-65-5C18H19N3O4S2
![N-[4-(1-Benzofuran-2-yl)-1,3-thiazol-2-yl]-1-methanesulfonylpiperidine-4-carboxamide chemical structure, C18H19N3O4S2, CAS 1021266-07-8](/s/DDFIWMIIODHMIV-UHFFFAOYSA-N.svg)
N-[4-(1-Benzofuran-2-yl)-1,3-thiazol-2-yl]-1-methanesulfonylpiperidine-4-carboxamide
CAS 1021266-07-8C18H19N3O4S2
![N-{3-[3-(4-Methoxyphenyl)-6-oxo-1,6-dihydropyridazin-1-yl]propyl}thiophene-2-sulfonamide chemical structure, C18H19N3O4S2, CAS 1040669-55-3](/s/FZAZLRHTGFUECH-UHFFFAOYSA-N.svg)
N-{3-[3-(4-Methoxyphenyl)-6-oxo-1,6-dihydropyridazin-1-yl]propyl}thiophene-2-sulfonamide
CAS 1040669-55-3C18H19N3O4S2
N-(5-(Thiophen-2-ylmethyl)-1,3,4-oxadiazol-2-yl)-4-tosylbutanamide
CAS 1021052-10-7C18H19N3O4S2
4-(1-(Thiophen-2-ylsulfonyl)piperidine-2-carbonyl)-3,4-dihydroquinoxalin-2(1H)-one
CAS 1048381-54-9C18H19N3O4S2
![3-Benzyl-8-(thiophen-2-ylsulfonyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione chemical structure, C18H19N3O4S2, CAS 923147-37-9](/s/IBLSQNCWGWBEIC-UHFFFAOYSA-N.svg)
3-Benzyl-8-(thiophen-2-ylsulfonyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione
CAS 923147-37-9C18H19N3O4S2
2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-methoxyphenyl)-N-methylthiophene-3-sulfonamide
CAS 1015868-08-2C18H19N3O4S2
![Ethyl 2-{[2-(1,3-benzoxazol-2-ylsulfanyl)butanoyl]amino}-4-methyl-1,3-thiazole-5-carboxylate chemical structure, C18H19N3O4S2, CAS 432532-78-0](/s/LNDWPASTSANVSP-UHFFFAOYSA-N.svg)
Ethyl 2-{[2-(1,3-benzoxazol-2-ylsulfanyl)butanoyl]amino}-4-methyl-1,3-thiazole-5-carboxylate
CAS 432532-78-0C18H19N3O4S2
- 1-(Benzenesulfonyl)-N,3,5-trimethyl-N-phenyl-1H-pyrazole-4-sulfonamide956271-07-1C18H19N3O4S2
- N-(2,5-Dimethoxyphenyl)-2-(3,6-dimethyl-4-oxothieno[2,3-d]pyrimidin-2-yl)sulfanylacetamide878695-43-3C18H19N3O4S2
- N-(3-Cyanothiophen-2-yl)-4-(N-methyl-N-((tetrahydrofuran-2-yl)methyl)sulfamoyl)benzamide868676-98-6C18H19N3O4S2
- 1-(4-Methoxybenzenesulfonyl)-4-[3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl]piperidine1207030-80-5C18H19N3O4S2
- 4-Methyl-N~5~-(4-methyl-1,3-thiazol-2-yl)-2-(3,4,5-trimethoxyphenyl)-1,3-thiazole-5-carboxamide951993-51-4C18H19N3O4S2
- 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(3-methoxyphenyl)-N-methylthiophene-3-sulfonamide1189986-43-3C18H19N3O4S2
- Methyl 5-methyl-2-[({1-[3-(methylsulfanyl)phenyl]-5-oxopyrrolidin-3-yl}carbonyl)amino]-1,3-thiazole-4-carboxylate1574465-76-1C18H19N3O4S2
- 2-(4-(Isopropylsulfonyl)phenyl)-N-(2-(3-methyl-1,2,4-oxadiazol-5-yl)thiophen-3-yl)acetamide1797537-69-9C18H19N3O4S2
- N-[[4-(Acetylsulfamoyl)phenyl]carbamothioyl]-3-phenylpropanamide642951-20-0C18H19N3O4S2
- (E)-N-(6-(N,N-Diethylsulfamoyl)benzo[d]thiazol-2-yl)-3-(furan-2-yl)acrylamide865592-24-1C18H19N3O4S2
- (E)-4-(N,N-Dimethylsulfamoyl)-N-(6-methoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)benzamide850781-97-4C18H19N3O4S2
- (E)-Ethyl 3-carbamoyl-2-(3-(thiophen-2-yl)acrylamido)-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-carboxylate864925-81-5C18H19N3O4S2
- (E)-N-(6-(N-Butylsulfamoyl)benzo[d]thiazol-2-yl)-3-(furan-2-yl)acrylamide868213-75-6C18H19N3O4S2
- N-(3-Cyano-4,5-dimethylthiophen-2-yl)-4-(morpholinosulfonyl)benzamide896301-37-4C18H19N3O4S2
- 4-[1-(Thiophene-2-sulfonyl)piperidine-3-carbonyl]-1,2,3,4-tetrahydroquinoxalin-2-one941935-50-8C18H19N3O4S2
- N-(2-Ethoxyphenyl)-2-((6-methyl-1,1-dioxido-4H-benzo[e][1,2,4]thiadiazin-3-yl)thio)acetamide899724-37-9C18H19N3O4S2
- N-(2,5-Dimethoxyphenyl)-2-[(3-ethyl-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)sulfanyl]acetamide1252919-48-4C18H19N3O4S2
- N-(3,4-Dimethoxyphenyl)-2-[(3-ethyl-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)sulfanyl]acetamide1252908-69-2C18H19N3O4S2
- N-(3,5-Dimethoxyphenyl)-2-[(3-ethyl-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)sulfanyl]acetamide1252858-64-2C18H19N3O4S2
- N-(2,4-Dimethoxyphenyl)-2-((3-ethyl-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide1252929-46-6C18H19N3O4S2
- 3-(4-Methoxyphenyl)-5-(1-(thiophen-2-ylsulfonyl)piperidin-4-yl)-1,2,4-oxadiazole946370-18-9C18H19N3O4S2
- 3-(3-Methoxyphenyl)-5-(1-(thiophen-2-ylsulfonyl)piperidin-3-yl)-1,2,4-oxadiazole1115562-16-7C18H19N3O4S2
- 5-Methoxy-2-((1-(pyridin-3-ylsulfonyl)piperidin-4-yl)oxy)benzo[d]thiazole1323548-49-7C18H19N3O4S2
- N-{2-[(3,5-Dimethyl-1H-pyrazol-1-yl)carbonyl]thiophen-3-yl}-4-methoxy-N-methylbenzenesulfonamide1325306-60-2C18H19N3O4S2
- N-((1-Hydroxy-6-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)methyl)benzo[c][1,2,5]thiadiazole-4-sulfonamide2034601-23-3C18H19N3O4S2
- 4-(Dimethylsulfamoyl)-N-(6-ethoxy-1,3-benzothiazol-2-yl)benzamide321555-62-8C18H19N3O4S2
- [2-[(3-Carbamoyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)amino]-2-oxoethyl] 2-methylsulfanylpyridine-3-carboxylate728922-56-3C18H19N3O4S2
- Methyl 2-({[2-(phenoxyacetyl)hydrazinyl]carbonothioyl}amino)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate588679-26-9C18H19N3O4S2
- N-(3-Cyanothiophen-2-yl)-1-(4-methoxyphenyl)sulfonylpiperidine-4-carboxamide923407-99-2C18H19N3O4S2
- 2-((4-Ethyl-1,1-dioxido-4H-benzo[e][1,2,4]thiadiazin-3-yl)thio)-N-(3-methoxyphenyl)acetamide941950-71-6C18H19N3O4S2
- N-(1-(1,1-Dioxidotetrahydrothiophen-3-yl)-3-methyl-1H-pyrazol-5-yl)naphthalene-2-sulfonamide1172487-30-7C18H19N3O4S2
- N-(4-(Benzofuran-2-yl)thiazol-2-yl)-1-(methylsulfonyl)piperidine-3-carboxamide1060168-75-3C18H19N3O4S2
- 3-(4-Methoxyphenyl)-8-(thiophene-2-sulfonyl)-1,4,8-triazaspiro[4.5]dec-3-en-2-one1216652-55-9C18H19N3O4S2
- 2-((4-Methoxybenzo[d]thiazol-2-yl)(methyl)amino)-N-(4-(methylsulfonyl)phenyl)acetamide1396634-33-5C18H19N3O4S2
- 2-[(2,5-Dimethylphenyl)methylsulfanyl]-1-(4-nitrophenyl)sulfonyl-4,5-dihydroimidazole868217-96-3C18H19N3O4S2
- 4-(Dimethylsulfamoyl)-N-(4-ethoxy-1,3-benzothiazol-2-yl)benzamide497073-60-6C18H19N3O4S2
- (Z)-N-(3-(2-Methoxyethyl)-6-sulfamoylbenzo[d]thiazol-2(3H)-ylidene)-4-methylbenzamide864977-48-0C18H19N3O4S2
- (Z)-N-(3-(2-Methoxyethyl)-6-sulfamoylbenzo[d]thiazol-2(3H)-ylidene)-3-methylbenzamide864977-49-1C18H19N3O4S2
- N-Cyclopropyl-N'-(1-thiophen-2-ylsulfonyl-3,4-dihydro-2H-quinolin-7-yl)oxamide898448-33-4C18H19N3O4S2
- Benzenesulfonamide,4-[[(7-acetyl-6-hydroxy-4,5-dimethyl-2-benzothiazolyl)amino]methyl]-120164-59-2C18H19N3O4S2
- 4-Methoxy-3-methyl-N-(2-(6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)ethyl)benzenesulfonamide946345-32-0C18H19N3O4S2
- 2-Methoxy-5-methyl-N-(2-(6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)ethyl)benzenesulfonamide946341-35-1C18H19N3O4S2
- 4-Ethoxy-N-(2-(6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)ethyl)benzenesulfonamide946341-43-1C18H19N3O4S2
- N-(3-Cyanothiophen-2-yl)-4-((2,6-dimethylmorpholino)sulfonyl)benzamide865545-87-5C18H19N3O4S2
- N-(2-(3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl)ethyl)-5-methylthiophene-2-sulfonamide923146-90-1C18H19N3O4S2
- N-(2-(3-(4-Ethoxyphenyl)-6-oxopyridazin-1(6H)-yl)ethyl)thiophene-2-sulfonamide921833-34-3C18H19N3O4S2
- 2-[(1H-Benzimidazol-2-ylmethyl)sulfanyl]-N-[5-(ethylsulfonyl)-2-hydroxyphenyl]acetamide1010937-22-0C18H19N3O4S2
- N-(2-Ethoxyphenyl)-2-((3-(2-hydroxyethyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide1795483-94-1C18H19N3O4S2
- 5-((3-(6,7-Dihydrothieno[3,2-c]pyridin-5(4H)-yl)azetidin-1-yl)sulfonyl)-3-methylbenzo[d]oxazol-2(3H)-one2034294-12-5C18H19N3O4S2
- 1-(1,1-Dioxidotetrahydrothiophen-3-yl)-5-imino-4-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-2,5-dihydro-1H-pyrrol-3-ol929961-57-9C18H19N3O4S2
- N-(6-Methoxy-4,5,7-trimethyl-1,3-benzothiazol-2-yl)-4-sulfamoylbenzamide120165-54-0C18H19N3O4S2
- 4-Methyl-N-(5-methyl-1,3-thiazol-2-yl)-2-(3,4,5-trimethoxyphenyl)-1,3-thiazole-5-carboxamide951996-68-2C18H19N3O4S2
- N-{2-[5-(1-Methyl-1H-pyrazol-4-yl)thiophen-2-yl]ethyl}-2,3-dihydro-1,4-benzodioxine-6-sulfonamide2640971-22-6C18H19N3O4S2
- Methyl 3-({2-[4-(1-methyl-1H-pyrazol-5-yl)phenyl]ethyl}sulfamoyl)thiophene-2-carboxylate2640979-81-1C18H19N3O4S2
- 6-((4-(4-Methoxyphenyl)piperazin-1-yl)sulfonyl)benzo[d]thiazol-2(3H)-one1358792-54-7C18H19N3O4S2
- Methyl 3-({2-[4-(1-methyl-1H-pyrazol-4-yl)phenyl]ethyl}sulfamoyl)thiophene-2-carboxylate2549034-27-5C18H19N3O4S2
Frequently asked questions
What is the molar mass of C18H19N3O4S2?
The molar mass of C18H19N3O4S2 is 405.49 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 4 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 405.0817 Da.
How many compounds have the formula C18H19N3O4S2?
CompoundList lists 80 compounds with the molecular formula C18H19N3O4S2, including [2-[(1,1-Dioxo-1,2-benzothiazol-3-yl)amino]-5-ethylthiophen-3-yl]-morpholin-4-ylmethanone, N-[(2H-1,3-Benzodioxol-5-yl)methyl]-2-({3-ethyl-4-oxo-3H,4H,6H,7H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide, N-(2,4-Dimethoxyphenyl)-2-(3,6-dimethyl-4-oxothieno[2,3-d]pyrimidin-2-yl)sulfanylacetamide. 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 C18H19N3O4S2?
C18H19N3O4S2 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.