Molecular formula
C18H18N4O4S2
53 compounds have this formula on CompoundList.
- Molar mass
- 418.49g/mol
- Monoisotopic mass
- 418.0769Da
- Atoms
- 46
- Elements
- 5
- Rings plus double bonds
- 12
The formula C18H18N4O4S2 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 4 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 × 1851.66%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 184.34%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 413.39%14.007 × 4 = 56.028 g/mol
- O Oxygen × 415.29%15.999 × 4 = 63.996 g/mol
- S Sulfur × 215.32%32.06 × 2 = 64.120 g/mol
Look up another formula
Compounds with the formula C18H18N4O4S2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 53 of 53 compounds
N-(6-Ethoxy-1,3-benzothiazol-2-yl)-1,3-dimethyl-2-oxo-5-benzimidazolesulfonamide
CAS 701218-75-9C18H18N4O4S2
![N-[4-[[5-[(4-Methoxyphenyl)methyl]-1,3,4-thiadiazol-2-yl]sulfamoyl]phenyl]acetamide chemical structure, C18H18N4O4S2, CAS 78959-85-0](/s/DXGDMHTXUJGCGK-UHFFFAOYSA-N.svg)
N-[4-[[5-[(4-Methoxyphenyl)methyl]-1,3,4-thiadiazol-2-yl]sulfamoyl]phenyl]acetamide
CAS 78959-85-0C18H18N4O4S2
![Ethyl 4,5-dimethyl-2-[({[5-(3-pyridinyl)-1,3,4-oxadiazol-2-yl]thio}acetyl)amino]-3-thiophenecarboxylate chemical structure, C18H18N4O4S2, CAS 823834-71-5](/s/AFMHQXUVDMAVHG-UHFFFAOYSA-N.svg)
Ethyl 4,5-dimethyl-2-[({[5-(3-pyridinyl)-1,3,4-oxadiazol-2-yl]thio}acetyl)amino]-3-thiophenecarboxylate
CAS 823834-71-5C18H18N4O4S2
N1-(2-cyanophenyl)-N2-((1-(thiophen-2-ylsulfonyl)pyrrolidin-2-yl)methyl)oxalamide
CAS 896278-84-5C18H18N4O4S2
4-(Benzylsulfonylamino)-N-(4-methylpyrimidin-2-yl)benzenesulfonamide
CAS 333443-03-1C18H18N4O4S2
![N-{4-[(5-Ethyl-1,3,4-thiadiazol-2-yl)sulfamoyl]phenyl}-3-methoxybenzamide chemical structure, C18H18N4O4S2, CAS 317374-40-6](/s/WRBDAUAJSQHHNY-UHFFFAOYSA-N.svg)
N-{4-[(5-Ethyl-1,3,4-thiadiazol-2-yl)sulfamoyl]phenyl}-3-methoxybenzamide
CAS 317374-40-6C18H18N4O4S2
1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-5-oxo-N-(5-prop-2-enylsulfanyl-1,3,4-thiadiazol-2-yl)pyrrolidine-3-carboxamide
CAS 848248-86-2C18H18N4O4S2
2,2'-Dithiobis-(5-(acetylamino)-benzamide)
CAS 171744-41-5C18H18N4O4S2
![Ethyl 6-methyl-4-({[(6-methyl-1,3-benzothiazol-2-yl)carbamoyl]methyl}sulfanyl)-2-oxo-1,2-dihydropyrimidine-5-carboxylate chemical structure, C18H18N4O4S2, CAS 946354-60-5](/s/RKYGPHONLMOTJH-UHFFFAOYSA-N.svg)
Ethyl 6-methyl-4-({[(6-methyl-1,3-benzothiazol-2-yl)carbamoyl]methyl}sulfanyl)-2-oxo-1,2-dihydropyrimidine-5-carboxylate
CAS 946354-60-5C18H18N4O4S2
4-Piperidin-1-ylsulfonyl-N-(5-thiophen-2-yl-1,3,4-oxadiazol-2-yl)benzamide
CAS 533871-98-6C18H18N4O4S2
N-(Furan-2-ylmethyl)-2-((6-oxo-4-(2-oxo-2-((thiophen-2-ylmethyl)amino)ethyl)-1,6-dihydropyrimidin-2-yl)thio)acetamide
CAS 1105239-39-1C18H18N4O4S2
2-((4-Ethoxyphenyl)amino)-N-(4-sulfamoylphenyl)thiazole-4-carboxamide
CAS 955914-58-6C18H18N4O4S2
Ethyl 2-((5-(5-phenylisoxazole-3-carboxamido)-1,3,4-thiadiazol-2-yl)thio)butanoate
CAS 1351660-75-7C18H18N4O4S2
![4-Amino-N-[4-[(4-aminophenyl)sulfonylamino]phenyl]benzenesulfonamide chemical structure, C18H18N4O4S2, CAS 52257-15-5](/s/JRJYMPBFLNQUCB-UHFFFAOYSA-N.svg)
4-Amino-N-[4-[(4-aminophenyl)sulfonylamino]phenyl]benzenesulfonamide
CAS 52257-15-5C18H18N4O4S2
Ethyl 2-(2-((1H-1,2,4-triazol-3-yl)thio)acetamido)-4-(4-methoxyphenyl)thiophene-3-carboxylate
CAS 690646-88-9C18H18N4O4S2
![4-[6-Oxo-3-(thiophen-2-yl)-1,6-dihydropyridazin-1-yl]-N-(4-sulfamoylphenyl)butanamide chemical structure, C18H18N4O4S2, CAS 1021260-18-3](/s/KDNSGDVBWLFPBH-UHFFFAOYSA-N.svg)
4-[6-Oxo-3-(thiophen-2-yl)-1,6-dihydropyridazin-1-yl]-N-(4-sulfamoylphenyl)butanamide
CAS 1021260-18-3C18H18N4O4S2
4-(N-Cyclopropyl-N-methylsulfamoyl)-N-(5-(thiophen-2-ylmethyl)-1,3,4-oxadiazol-2-yl)benzamide
CAS 1020977-92-7C18H18N4O4S2
![Ethyl 4,5-dimethyl-2-(2-{[5-(pyridin-4-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamido)thiophene-3-carboxylate chemical structure, C18H18N4O4S2, CAS 488801-54-3](/s/RGMHEJQWERIFNM-UHFFFAOYSA-N.svg)
Ethyl 4,5-dimethyl-2-(2-{[5-(pyridin-4-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamido)thiophene-3-carboxylate
CAS 488801-54-3C18H18N4O4S2
![N-{4-[(5-Ethyl-1,3,4-thiadiazol-2-yl)sulfamoyl]phenyl}-4-methoxybenzamide chemical structure, C18H18N4O4S2, CAS 307524-04-5](/s/GVAQBFTXFBDODL-UHFFFAOYSA-N.svg)
N-{4-[(5-Ethyl-1,3,4-thiadiazol-2-yl)sulfamoyl]phenyl}-4-methoxybenzamide
CAS 307524-04-5C18H18N4O4S2
![4-(5-((2-(Ethylamino)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-4-oxo-2-thioxothiazolidin-3-yl)butanoic acid chemical structure, C18H18N4O4S2, CAS 469879-40-1](/s/MYLVZXVFMMXDLN-BENRWUELSA-N.svg)
4-(5-((2-(Ethylamino)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-4-oxo-2-thioxothiazolidin-3-yl)butanoic acid
CAS 469879-40-1C18H18N4O4S2
![Methyl 3-{[4-(2-pyrimidinyl)piperazino]sulfonyl}-1-benzothiophene-2-carboxylate chemical structure, C18H18N4O4S2, CAS 899966-13-3](/s/XUMDQGZMRYNJKT-UHFFFAOYSA-N.svg)
Methyl 3-{[4-(2-pyrimidinyl)piperazino]sulfonyl}-1-benzothiophene-2-carboxylate
CAS 899966-13-3C18H18N4O4S2
![Methyl 2-({[6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl]acetyl}amino)-5-(propan-2-yl)-1,3-thiazole-4-carboxylate chemical structure, C18H18N4O4S2, CAS 1435985-23-1](/s/FXHXOGXBENOOJE-UHFFFAOYSA-N.svg)
Methyl 2-({[6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl]acetyl}amino)-5-(propan-2-yl)-1,3-thiazole-4-carboxylate
CAS 1435985-23-1C18H18N4O4S2
N-Methyl-3-(5-(1-((5-methylthiophen-2-yl)sulfonyl)azetidin-3-yl)-1,2,4-oxadiazol-3-yl)benzamide
CAS 1396844-95-3C18H18N4O4S2
![Methyl 3-{[3-(4-phenyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl]sulfonyl}thiophene-2-carboxylate chemical structure, C18H18N4O4S2, CAS 2034424-63-8](/s/YBAVJVWIJNDKBS-UHFFFAOYSA-N.svg)
Methyl 3-{[3-(4-phenyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl]sulfonyl}thiophene-2-carboxylate
CAS 2034424-63-8C18H18N4O4S2
- 1-[(2-Nitrophenyl)sulfonyl]-4-[5-(2-thienyl)-1H-pyrazol-3-yl]piperidine1026099-77-3C18H18N4O4S2
- N-(7-Methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-6-yl)-4-(pyrrolidin-1-ylsulfonyl)benzamide941966-46-7C18H18N4O4S2
- N-(5-Phenyl-1,3,4-oxadiazol-2-yl)-1-(thiophen-2-ylsulfonyl)piperidine-4-carboxamide900001-22-1C18H18N4O4S2
- 3,5-Dimethoxy-N-(4-(2-((4-methylthiazol-2-yl)amino)-2-oxoethyl)thiazol-2-yl)benzamide921818-69-1C18H18N4O4S2
- N-(Thiazol-2-yl)-2-((6-(3,4,5-trimethoxyphenyl)pyridazin-3-yl)thio)acetamide899740-61-5C18H18N4O4S2
- 4-(4-Methoxyphenyl)-N-[2-(4-sulfamoylphenyl)ethyl]-1,2,3-thiadiazole-5-carboxamide1190254-59-1C18H18N4O4S2
- N-[(Furan-2-yl)methyl]-2-({2-[({[(furan-2-yl)methyl]carbamoyl}methyl)sulfanyl]pyrimidin-4-yl}sulfanyl)acetamide1160271-71-5C18H18N4O4S2
- N,N-Dimethyl-4-(3-(3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl)azetidine-1-carbonyl)benzenesulfonamide1324507-07-4C18H18N4O4S2
- N-(4-((3-(3-(Thiophen-2-ylmethyl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)sulfonyl)phenyl)acetamide1351611-59-0C18H18N4O4S2
- 1-Methyl-5-(3-((1-methyl-1H-imidazol-2-yl)sulfonyl)azetidine-1-carbonyl)-4-(thiophen-3-yl)pyridin-2(1H)-one2034261-74-8C18H18N4O4S2
- S-[2-[4-[4-[(2-Carbamoylsulfanylacetyl)amino]phenyl]anilino]-2-oxoethyl] carbamothioate6936-15-8C18H18N4O4S2
- 4-[Methyl(phenyl)sulfamoyl]-N-[5-(methylsulfanylmethyl)-1,3,4-oxadiazol-2-yl]benzamide850936-33-3C18H18N4O4S2
- N-(5-Phenyl-1,3,4-oxadiazol-2-yl)-1-(thiophen-2-ylsulfonyl)piperidine-2-carboxamide1097639-30-9C18H18N4O4S2
- (4-(4-Ethoxybenzo[d]thiazol-2-yl)piperazin-1-yl)(5-nitrothiophen-2-yl)methanone897478-77-2C18H18N4O4S2
- (4-(4-Methoxy-7-methylbenzo[d]thiazol-2-yl)piperazin-1-yl)(5-nitrothiophen-2-yl)methanone897487-06-8C18H18N4O4S2
- 1-(1,1-Dioxidotetrahydrothiophen-3-yl)-5-(4-methoxyphenyl)-N-(1,3-thiazol-2-yl)-1H-pyrazole-3-carboxamide1052667-14-7C18H18N4O4S2
- [4-(2,1,3-Benzothiadiazol-4-ylsulfonyl)piperazin-1-yl](2-methoxyphenyl)methanone1010912-20-5C18H18N4O4S2
- [4-(2,1,3-Benzothiadiazol-4-ylsulfonyl)piperazin-1-yl](3-methoxyphenyl)methanone1010899-71-4C18H18N4O4S2
- [4-(2,1,3-Benzothiadiazol-4-ylsulfonyl)piperazin-1-yl](4-methoxyphenyl)methanone1010910-85-6C18H18N4O4S2
- 5-Cyclopropyl-N-(5-{[(3,5-dimethoxyphenyl)methyl]sulfanyl}-1,3,4-thiadiazol-2-yl)-1,2-oxazole-3-carboxamide1351613-95-0C18H18N4O4S2
- 3-(1-((2,3-Dihydrobenzofuran-5-yl)sulfonyl)piperidin-4-yl)thieno[3,2-d][1,2,3]triazin-4(3H)-one2034382-07-3C18H18N4O4S2
- N-(6-(Methylsulfonyl)benzo[d]thiazol-2-yl)-2-(3-oxo-3,5,6,7-tetrahydro-2H-cyclopenta[c]pyridazin-2-yl)propanamide2034234-49-4C18H18N4O4S2
- 3-Methyl-N-{2-[5-(1-methyl-1H-pyrazol-4-yl)thiophen-2-yl]ethyl}-2-oxo-2,3-dihydro-1,3-benzoxazole-5-sulfonamide2640979-93-5C18H18N4O4S2
- (Z)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(5-((2-oxo-2-(pyrrolidin-1-yl)ethyl)thio)-1,3,4-thiadiazol-2-yl)acrylamide1322220-49-4C18H18N4O4S2
- N,N'-(4,6-Diamino-1,3-phenylene)dibenzenesulfonamide60543-95-5C18H18N4O4S2
- 5-Thiazolecarboxamide, 2-[[(4-methoxyphenyl)sulfonyl]amino]-4-methyl-N-(3-pyridinylmethyl)-955629-62-6C18H18N4O4S2
- 5-Thiazolecarboxamide, 2-[[(4-methoxyphenyl)sulfonyl]amino]-4-methyl-N-(4-pyridinylmethyl)-955630-31-6C18H18N4O4S2
- (E,E)-N,N'-(Ethane-1,2-diyl)bis{1-[2-(methylsulfanyl)-5-nitrophenyl]methanimine}90149-00-1C18H18N4O4S2
- 8-Oxo-N-(2-pyrrolidin-1-ylethyl)-3-sulfanylidene-12,14-dioxa-4-thia-2,7-diazatetracyclo[7.7.0.02,6.011,15]hexadeca-1(16),5,9,11(15)-tetraene-5-carboxamide2320727-26-0C18H18N4O4S2
Frequently asked questions
What is the molar mass of C18H18N4O4S2?
The molar mass of C18H18N4O4S2 is 418.49 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms, 4 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 418.0769 Da.
How many compounds have the formula C18H18N4O4S2?
CompoundList lists 53 compounds with the molecular formula C18H18N4O4S2, including N-(6-Ethoxy-1,3-benzothiazol-2-yl)-1,3-dimethyl-2-oxo-5-benzimidazolesulfonamide, N-[4-[[5-[(4-Methoxyphenyl)methyl]-1,3,4-thiadiazol-2-yl]sulfamoyl]phenyl]acetamide, Ethyl 4,5-dimethyl-2-[({[5-(3-pyridinyl)-1,3,4-oxadiazol-2-yl]thio}acetyl)amino]-3-thiophenecarboxylate. 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 C18H18N4O4S2?
C18H18N4O4S2 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.