Molecular formula
C18H18N2O5S2
52 compounds have this formula on CompoundList.
- Molar mass
- 406.47g/mol
- Monoisotopic mass
- 406.0657Da
- Atoms
- 45
- Elements
- 5
- Rings plus double bonds
- 11
The formula C18H18N2O5S2 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 5 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 × 1853.19%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 184.46%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 26.89%14.007 × 2 = 28.014 g/mol
- O Oxygen × 519.68%15.999 × 5 = 79.995 g/mol
- S Sulfur × 215.77%32.06 × 2 = 64.120 g/mol
Look up another formula
Compounds with the formula C18H18N2O5S2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 52 of 52 compounds
2,6-Dimethoxy-N-(3-methyl-6-methylsulfonyl-1,3-benzothiazol-2-ylidene)benzamide
CAS 683238-21-3C18H18N2O5S2
![N-(1,1-Dioxidotetrahydrothiophen-3-yl)-2-{(5Z)-2,4-dioxo-5-[(2E)-3-phenylprop-2-en-1-ylidene]-1,3-thiazolidin-3-yl}acetamide chemical structure, C18H18N2O5S2, CAS 902041-18-3](/s/QXGADXAJVJHBSR-GVEAZFNLSA-N.svg)
N-(1,1-Dioxidotetrahydrothiophen-3-yl)-2-{(5Z)-2,4-dioxo-5-[(2E)-3-phenylprop-2-en-1-ylidene]-1,3-thiazolidin-3-yl}acetamide
CAS 902041-18-3C18H18N2O5S2
3-(Benzenesulfonyl)-N-(4,7-dimethoxy-1,3-benzothiazol-2-yl)propanamide
CAS 868677-68-3C18H18N2O5S2
![Ethyl 4-{[3-(2-furylmethyl)-6-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl]thio}-3-oxobutanoate chemical structure, C18H18N2O5S2, CAS 717830-08-5](/s/BDCNQWTVMGCARM-UHFFFAOYSA-N.svg)
Ethyl 4-{[3-(2-furylmethyl)-6-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl]thio}-3-oxobutanoate
CAS 717830-08-5C18H18N2O5S2
2-(4-((3,4-Dihydroisoquinolin-2(1H)-yl)sulfonyl)phenyl)isothiazolidin-3-one 1,1-dioxide
CAS 950383-61-6C18H18N2O5S2
![N-(4,7-Dimethoxybenzo[d]thiazol-2-yl)-2-(4-(methylsulfonyl)phenyl)acetamide chemical structure, C18H18N2O5S2, CAS 941931-03-9](/s/FZZVGXBPXBFUOW-UHFFFAOYSA-N.svg)
N-(4,7-Dimethoxybenzo[d]thiazol-2-yl)-2-(4-(methylsulfonyl)phenyl)acetamide
CAS 941931-03-9C18H18N2O5S2
![[(E)-(Z)-5-[(2-Furyl)methylene]-3-(3-methoxypropyl)-4-oxo-1,3-thiazolidin-2-ylideneamino](oxo)(phenyl)-lambda-sulfaniumolate chemical structure, C18H18N2O5S2](/s/CPDKFZUPFXYRFU-AAKCPPNYSA-N.svg)
[(E)-(Z)-5-[(2-Furyl)methylene]-3-(3-methoxypropyl)-4-oxo-1,3-thiazolidin-2-ylideneamino](oxo)(phenyl)-lambda-sulfaniumolate
C18H18N2O5S2
![(Z)-3,5-Dimethoxy-N-(3-methyl-6-(methylsulfonyl)benzo[d]thiazol-2(3H)-ylidene)benzamide chemical structure, C18H18N2O5S2, CAS 683237-57-2](/s/FOTVGKHAIBBOFS-UHFFFAOYSA-N.svg)
(Z)-3,5-Dimethoxy-N-(3-methyl-6-(methylsulfonyl)benzo[d]thiazol-2(3H)-ylidene)benzamide
CAS 683237-57-2C18H18N2O5S2
(E)-N-((Z)-5-(Furan-2-ylmethylene)-3-(3-methoxypropyl)-4-oxothiazolidin-2-ylidene)benzenesulfonamide
CAS 867041-94-9C18H18N2O5S2
2-(4-(Indolin-1-ylsulfonyl)-3-methylphenyl)isothiazolidin-3-one 1,1-dioxide
CAS 951900-60-0C18H18N2O5S2
N-(Furan-2-ylmethyl)-3-(4-methoxy-N-methylphenylsulfonamido)thiophene-2-carboxamide
CAS 1116082-64-4C18H18N2O5S2
Glycine, N-(1-oxo-2-((2-thienylcarbonyl)thio)propyl)-, 4-(acetylamino)phenyl ester
CAS 84856-27-9C18H18N2O5S2
2,4-Dimethoxy-N-(3-methyl-6-methylsulfonyl-1,3-benzothiazol-2-ylidene)benzamide
CAS 683237-56-1C18H18N2O5S2
![(E)-N-(5,6-Dimethoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)-3-(methylsulfonyl)benzamide chemical structure, C18H18N2O5S2, CAS 896335-41-4](/s/KORJSDSOQPRXMX-UHFFFAOYSA-N.svg)
(E)-N-(5,6-Dimethoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)-3-(methylsulfonyl)benzamide
CAS 896335-41-4C18H18N2O5S2
![N-[(2Z)-5,6-Dimethoxy-3-methyl-2,3-dihydro-1,3-benzothiazol-2-ylidene]-4-methanesulfonylbenzamide chemical structure, C18H18N2O5S2, CAS 896361-52-7](/s/CBZODMQTXBGDRZ-UHFFFAOYSA-N.svg)
N-[(2Z)-5,6-Dimethoxy-3-methyl-2,3-dihydro-1,3-benzothiazol-2-ylidene]-4-methanesulfonylbenzamide
CAS 896361-52-7C18H18N2O5S2
![2-({N-[4-(Indolinylsulfonyl)phenyl]carbamoyl}methylthio)acetic acid chemical structure, C18H18N2O5S2, CAS 883550-59-2](/s/ZAICSFMCPOGVSW-UHFFFAOYSA-N.svg)
2-({N-[4-(Indolinylsulfonyl)phenyl]carbamoyl}methylthio)acetic acid
CAS 883550-59-2C18H18N2O5S2
Methyl (4-(N-(furan-2-ylmethyl)-N-(thiophen-3-ylmethyl)sulfamoyl)phenyl)carbamate
CAS 1797255-50-5C18H18N2O5S2
Methyl (4-(N-(furan-3-ylmethyl)-N-(thiophen-2-ylmethyl)sulfamoyl)phenyl)carbamate
CAS 1797802-97-1C18H18N2O5S2
![Ethyl 2-{[(1,3-benzodioxol-5-ylcarbonyl)carbamothioyl]amino}-4,5-dimethylthiophene-3-carboxylate chemical structure, C18H18N2O5S2, CAS 494825-78-4](/s/VBYQFGMQSCZFDP-UHFFFAOYSA-N.svg)
Ethyl 2-{[(1,3-benzodioxol-5-ylcarbonyl)carbamothioyl]amino}-4,5-dimethylthiophene-3-carboxylate
CAS 494825-78-4C18H18N2O5S2
![(Z)-3,4-Dimethoxy-N-(3-methyl-6-(methylsulfonyl)benzo[d]thiazol-2(3H)-ylidene)benzamide chemical structure, C18H18N2O5S2, CAS 683237-82-3](/s/LSFBWMLRQYXREO-UHFFFAOYSA-N.svg)
(Z)-3,4-Dimethoxy-N-(3-methyl-6-(methylsulfonyl)benzo[d]thiazol-2(3H)-ylidene)benzamide
CAS 683237-82-3C18H18N2O5S2
![Ethyl 2-(3,4-dimethoxybenzamido)-6-methylthieno[2,3-d]thiazole-5-carboxylate chemical structure, C18H18N2O5S2, CAS 681159-53-5](/s/IBQVOJNBKIGTNK-UHFFFAOYSA-N.svg)
Ethyl 2-(3,4-dimethoxybenzamido)-6-methylthieno[2,3-d]thiazole-5-carboxylate
CAS 681159-53-5C18H18N2O5S2
![N-(5,6-Dimethoxybenzo[d]thiazol-2-yl)-3-(ethylsulfonyl)benzamide chemical structure, C18H18N2O5S2, CAS 886927-54-4](/s/QXAVHKRSBTZTIW-UHFFFAOYSA-N.svg)
N-(5,6-Dimethoxybenzo[d]thiazol-2-yl)-3-(ethylsulfonyl)benzamide
CAS 886927-54-4C18H18N2O5S2
Ethyl 5-(2,4-dimethoxybenzamido)-3-methyl-4-thiocyanatothiophene-2-carboxylate
CAS 681157-65-3C18H18N2O5S2
Ethyl 5-(2,6-dimethoxybenzamido)-3-methyl-4-thiocyanatothiophene-2-carboxylate
CAS 681164-04-5C18H18N2O5S2
- (E)-N-(4,7-Dimethoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)-2-(phenylsulfonyl)acetamide898427-87-7C18H18N2O5S2
- N-(5,6-Dimethoxybenzo[d]thiazol-2-yl)-2-(4-(methylsulfonyl)phenyl)acetamide941971-79-5C18H18N2O5S2
- 2-(Benzylsulfonyl)-N-(4,7-dimethoxybenzo[d]thiazol-2-yl)acetamide923502-46-9C18H18N2O5S2
- (4S)-2-[6-(6-Oxoheptanoyloxy)-1,3-benzothiazol-2-yl]-4,5-dihydro-1,3-thiazole-4-carboxylic acid2494035-93-5C18H18N2O5S2
- N-(4,7-Dimethoxybenzo[d]thiazol-2-yl)-2-(ethylsulfonyl)benzamide886925-88-8C18H18N2O5S2
- N-(5,6-Dimethoxybenzo[d]thiazol-2-yl)-2-(ethylsulfonyl)benzamide886932-22-5C18H18N2O5S2
- N-(5,6-Dimethoxybenzo[d]thiazol-2-yl)-4-(ethylsulfonyl)benzamide886922-81-2C18H18N2O5S2
- Ethyl 5-(3,4-dimethoxybenzamido)-3-methyl-4-thiocyanatothiophene-2-carboxylate681159-56-8C18H18N2O5S2
- N-(6-Ethoxybenzo[d]thiazol-2-yl)-2-((4-methoxyphenyl)sulfonyl)acetamide941951-58-2C18H18N2O5S2
- Ethyl 4-cyano-3-methyl-5-(2-(4-(methylsulfonyl)phenyl)acetamido)thiophene-2-carboxylate919755-80-9C18H18N2O5S2
- (E)-Methyl 2-(5,6-dimethoxy-2-((2-(thiophen-2-yl)acetyl)imino)benzo[d]thiazol-3(2H)-yl)acetate1005934-38-2C18H18N2O5S2
- N-(1,1-Dioxido-2,3-dihydrothiophen-3-yl)-4-{[(phenylsulfonyl)amino]methyl}benzamide1010902-96-1C18H18N2O5S2
- Methyl (4-(N-(2-(benzo[b]thiophen-3-yl)-2-hydroxyethyl)sulfamoyl)phenyl)carbamate2034594-26-6C18H18N2O5S2
- 2-(4-(N-(2-(Benzo[b]thiophen-3-yl)-2-hydroxyethyl)sulfamoyl)phenoxy)acetamide2034594-37-9C18H18N2O5S2
- N-(2-(5-Acetylthiophen-2-yl)ethyl)-4-(2,5-dioxopyrrolidin-1-yl)benzenesulfonamide2034272-74-5C18H18N2O5S2
- Methyl (4-(N-(2-(5-(furan-3-yl)thiophen-2-yl)ethyl)sulfamoyl)phenyl)carbamate2034597-15-2C18H18N2O5S2
- (3aR,6aS)-2-(2-Phenoxyethyl)-5-(thiophene-2-sulfonyl)-octahydropyrrolo[3,4-c]pyrrole-1,3-dione2196110-25-3C18H18N2O5S2
- 4-Methylbenzene-1-sulfonic acid--1,4-dihydroxynaphthalen-2-yl carbamimidothioate (1/1)7504-16-7C18H18N2O5S2
- N-[(2E,5Z)-5-[(Furan-2-yl)methylidene]-3-(3-methoxypropyl)-4-oxo-1,3-thiazolidin-2-ylidene]benzenesulfonamideC18H18N2O5S2
- 3-(Benzenesulfonyl)-N-(5,6-dimethoxy-1,3-benzothiazol-2-yl)propanamide895443-90-0C18H18N2O5S2
- 5-Isoquinolinesulfonamide,N-[2-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-129305-12-0C18H18N2O5S2
- 2-(4-{[2-(Furan-2-yl)-2-(thiophen-2-yl)ethyl]sulfamoyl}phenoxy)acetamide2097927-29-0C18H18N2O5S2
- 2-(4-{[2-(Furan-2-yl)-2-(thiophen-3-yl)ethyl]sulfamoyl}phenoxy)acetamide2097896-69-8C18H18N2O5S2
- Methyl N-(4-{[2-(furan-2-yl)-2-(thiophen-3-yl)ethyl]sulfamoyl}phenyl)carbamate2097918-46-0C18H18N2O5S2
- 2-{[4-(Thiomorpholine-4-sulfonyl)phenyl]carbamoyl}benzoic acid501700-16-9C18H18N2O5S2
- N-[(4-Hydroxy-3,4-dihydro-1H-2-benzothiopyran-4-yl)methyl]-3-methyl-2-oxo-2,3-dihydro-1,3-benzoxazole-5-sulfonamide2742058-08-6C18H18N2O5S2
- 2-{[(tert-Butoxy)carbonyl](2-methoxyphenyl)amino}thieno[2,3-d][1,3]thiazole-5-carboxylic acid2680712-34-7C18H18N2O5S2
- (NZ)-N-[(5E)-5-(furan-2-ylmethylidene)-3-(3-methoxypropyl)-4-oxo-1,3-thiazolidin-2-ylidene]benzenesulfonamideC18H18N2O5S2
Frequently asked questions
What is the molar mass of C18H18N2O5S2?
The molar mass of C18H18N2O5S2 is 406.47 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 5 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 406.0657 Da.
How many compounds have the formula C18H18N2O5S2?
CompoundList lists 52 compounds with the molecular formula C18H18N2O5S2, including 2,6-Dimethoxy-N-(3-methyl-6-methylsulfonyl-1,3-benzothiazol-2-ylidene)benzamide, N-(1,1-Dioxidotetrahydrothiophen-3-yl)-2-{(5Z)-2,4-dioxo-5-[(2E)-3-phenylprop-2-en-1-ylidene]-1,3-thiazolidin-3-yl}acetamide, 3-(Benzenesulfonyl)-N-(4,7-dimethoxy-1,3-benzothiazol-2-yl)propanamide. 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 C18H18N2O5S2?
C18H18N2O5S2 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.