Molecular formula
C18H18N2O4S
269 compounds have this formula on CompoundList.
- Molar mass
- 358.41g/mol
- Monoisotopic mass
- 358.0987Da
- Atoms
- 43
- Elements
- 5
- Rings plus double bonds
- 11
The formula C18H18N2O4S describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 4 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 × 1860.32%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.06%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 27.82%14.007 × 2 = 28.014 g/mol
- O Oxygen × 417.86%15.999 × 4 = 63.996 g/mol
- S Sulfur × 18.95%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H18N2O4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 269 compounds
3,4,5-Trimethoxy-N-(3-methyl-1,3-benzothiazol-2-ylidene)benzamide
CAS 53641-53-5C18H18N2O4S
![N-[(4-Methylphenyl)sulfonyl]tryptophan chemical structure, C18H18N2O4S, CAS 32945-10-1](/s/LFRLEBFHLCJPDU-UHFFFAOYSA-N.svg)
N-[(4-Methylphenyl)sulfonyl]tryptophan
CAS 32945-10-1C18H18N2O4S
Qav-680
CAS 872365-16-7C18H18N2O4S
4-(3-(4-Methoxyphenyl)-5-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid
CAS 361175-12-4C18H18N2O4S
1-(4-Benzenesulfonyl-2-furan-2-yl-oxazol-5-yl)-piperidine
CAS 303753-71-1C18H18N2O4S
![4-[5-(4-Methoxy-phenyl)-3-thiophen-2-yl-4,5-dihydro-pyrazol-1-yl]-4-oxo-butyric acid chemical structure, C18H18N2O4S, CAS 332390-97-3](/s/TUZVDXPPIAVVEF-UHFFFAOYSA-N.svg)
4-[5-(4-Methoxy-phenyl)-3-thiophen-2-yl-4,5-dihydro-pyrazol-1-yl]-4-oxo-butyric acid
CAS 332390-97-3C18H18N2O4S
N-(3,4-Dimethylphenyl)-3-(1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)propanamide
CAS 663168-47-6C18H18N2O4S
2-(1,1-Dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)-N-(4-isopropylphenyl)acetamide
CAS 437624-14-1C18H18N2O4S
![(5Z)-3-[2-(Morpholin-4-yl)-2-oxoethyl]-5-[(2E)-3-phenylprop-2-en-1-ylidene]-1,3-thiazolidine-2,4-dione chemical structure, C18H18N2O4S, CAS 461673-64-3](/s/QXIGOTZGDUFANA-GVEAZFNLSA-N.svg)
(5Z)-3-[2-(Morpholin-4-yl)-2-oxoethyl]-5-[(2E)-3-phenylprop-2-en-1-ylidene]-1,3-thiazolidine-2,4-dione
CAS 461673-64-3C18H18N2O4S
![{2-[2-(2-Methoxy-phenoxy)-ethylsulfanyl]-benzoimidazol-1-yl}-acetic acid chemical structure, C18H18N2O4S, CAS 296244-07-0](/s/ILNYYWARJNVUQK-UHFFFAOYSA-N.svg)
{2-[2-(2-Methoxy-phenoxy)-ethylsulfanyl]-benzoimidazol-1-yl}-acetic acid
CAS 296244-07-0C18H18N2O4S
4-(Benzenesulfonyl)-2-(4-ethoxyphenyl)-N-methyl-1,3-oxazol-5-amine
CAS 823829-05-6C18H18N2O4S
N-(2,3-Dimethylphenyl)-3-(1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)propanamide
CAS 663168-46-5C18H18N2O4S
N-(3,5-Dimethylphenyl)-3-(1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)propanamide
CAS 663168-49-8C18H18N2O4S
1-(2-Phenylethyl)-4-(phenylsulfonyl)-2,6-piperazinedione
CAS 301354-91-6C18H18N2O4S
![N-[4-(Aminosulfonyl)benzyl]-3,6-dimethyl-1-benzofuran-2-carboxamide chemical structure, C18H18N2O4S, CAS 714261-77-5](/s/KSSZCNDRFBEMPN-UHFFFAOYSA-N.svg)
N-[4-(Aminosulfonyl)benzyl]-3,6-dimethyl-1-benzofuran-2-carboxamide
CAS 714261-77-5C18H18N2O4S
![{4-[(4-Methylphenyl)sulfanyl]-3-nitrophenyl}(morpholino)methanone chemical structure, C18H18N2O4S, CAS 303988-13-8](/s/AZAJNZQLQOFTEP-UHFFFAOYSA-N.svg)
{4-[(4-Methylphenyl)sulfanyl]-3-nitrophenyl}(morpholino)methanone
CAS 303988-13-8C18H18N2O4S
![N-[(2-Hydroxy-5-propan-2-ylphenyl)carbamothioyl]-1,3-benzodioxole-5-carboxamide chemical structure, C18H18N2O4S, CAS 701273-67-8](/s/CZQVWFIRDZMZCS-UHFFFAOYSA-N.svg)
N-[(2-Hydroxy-5-propan-2-ylphenyl)carbamothioyl]-1,3-benzodioxole-5-carboxamide
CAS 701273-67-8C18H18N2O4S
Methyl 2-(cyclopropanecarbonylamino)-4-methyl-5-(phenylcarbamoyl)thiophene-3-carboxylate
CAS 445021-31-8C18H18N2O4S
N-(2,6-Dimethylphenyl)-4-hydroxy-1-methyl-2,2-dioxo-1,2-dihydro-2lambda~6~,1-benzothiazine-3-carboxamide
CAS 320423-84-5C18H18N2O4S
![3-[(1,1-Dioxido-1,2-benzisothiazol-3-yl)amino]propyl 2-methylbenzoate chemical structure, C18H18N2O4S, CAS 6468-33-3](/s/WQDDMUNHEHZRDL-UHFFFAOYSA-N.svg)
3-[(1,1-Dioxido-1,2-benzisothiazol-3-yl)amino]propyl 2-methylbenzoate
CAS 6468-33-3C18H18N2O4S
3,5-Diethyl 4-(2-benzothiazolyl)-1,4-dihydro-3,5-pyridinedicarboxylate
CAS 439092-53-2C18H18N2O4S
![4-[[2-(4-Ethylphenoxy)acetyl]carbamothioylamino]benzoic acid chemical structure, C18H18N2O4S, CAS 532955-19-4](/s/DIVMKLWELRLIEE-UHFFFAOYSA-N.svg)
4-[[2-(4-Ethylphenoxy)acetyl]carbamothioylamino]benzoic acid
CAS 532955-19-4C18H18N2O4S
2-(1,1-Dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)-N-(1-methyl-2-phenylethyl)acetamide
CAS 443108-34-7C18H18N2O4S
![N-(2-Methoxyphenyl)-2-oxo-1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinoline-8-sulfonamide chemical structure, C18H18N2O4S, CAS 887880-20-8](/s/SQSIOPRIGNLRRC-UHFFFAOYSA-N.svg)
N-(2-Methoxyphenyl)-2-oxo-1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinoline-8-sulfonamide
CAS 887880-20-8C18H18N2O4S
- 4-Methoxy-N-(2-oxo-2,4,5,6-tetrahydro-1H-pyrrolo[3,2,1-ij]quinolin-8-yl)benzenesulfonamide903246-58-2C18H18N2O4S
- N-(2-Methoxyphenyl)-4-oxo-1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinoline-8-sulfonamide898419-88-0C18H18N2O4S
- N-(5,5-Dimethyl-7-oxo-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide681167-13-5C18H18N2O4S
- Methyl 2-({[(4-methylphenoxy)acetyl]carbamothioyl}amino)benzoate425660-80-6C18H18N2O4S
- 1-(3-Methoxyphenyl)-3-phenyltetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one 5,5-dioxide446277-55-0C18H18N2O4S
- [2-(4-Carbamoylanilino)-2-oxoethyl] 3-phenylsulfanylpropanoate744229-00-3C18H18N2O4S
- 4-[(Benzoyloxy)imino]-1-(phenylsulfonyl)piperidine478248-17-8C18H18N2O4S
- N-(2,3-Dihydro-1,4-benzodioxin-6-ylcarbamothioyl)-3-ethoxybenzamide364625-40-1C18H18N2O4S
- 5-Ethyl-3-methyl-N-(4-sulfamoylphenyl)-1-benzofuran-2-carboxamide724741-97-3C18H18N2O4S
- N-(2-(2-(3,4-Dimethoxyphenyl)thiazol-4-yl)ethyl)furan-2-carboxamide863556-10-9C18H18N2O4S
- N-Benzyl-N-ethyl-2-(1,1,3-trioxo-1,2-benzothiazol-2-yl)acetamide454238-44-9C18H18N2O4S
- 3-(1,1-Dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl)-N-(1-phenylethyl)propanamide899757-20-1C18H18N2O4S
- L-Tryptophan, N-[(4-methylphenyl)sulfonyl]-67850-42-4C18H18N2O4S
- N-Ethyl-N-phenyl-3-(1,1,3-trioxo-1,2-benzothiazol-2-yl)propanamide899954-56-4C18H18N2O4S
- 2,6-Dimethyl-3,5-dicarbomethoxy-4-(2-isothiocyano)phenyl-1,4-dihydropyridine86880-83-3C18H18N2O4S
- N-(3,4-Dimethoxyphenyl)-2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetamide370587-46-5C18H18N2O4S
- 4-(Hydroxyamino)-N-(2-(naphthalen-2-yloxy)ethyl)benzenesulfonamide188480-50-4C18H18N2O4S
- Cyanomethyl N-(4-methylbenzene-1-sulfonyl)phenylalaninate64187-44-6C18H18N2O4S
- 2-(4-Nitrophenyl)sulfanyl-N-(oxolan-2-ylmethyl)benzamide431925-17-6C18H18N2O4S
- (E)-3,4-Dimethoxy-N-(4-methoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)benzamide441291-38-9C18H18N2O4S
- 4-Methoxy-N-(4-oxo-2,4,5,6-tetrahydro-1H-pyrrolo[3,2,1-ij]quinolin-8-yl)benzenesulfonamide903366-90-5C18H18N2O4S
- 1,3-Bis(benzyloxycarbonyl)-2-methylisothiourea25508-20-7C18H18N2O4S
- 3-[(4-Methyl-5-phenyl-1,3-thiazol-2-yl)carbamoyl]-7-oxabicyclo[2.2.1]heptane-2-carboxylic acid361366-82-7C18H18N2O4S
- (E)-3,5-Dimethoxy-N-(4-methoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)benzamide441291-24-3C18H18N2O4S
- 4-((2,5-Dioxopyrrolidin-1-yl)methyl)-N-(m-tolyl)benzenesulfonamide940984-02-1C18H18N2O4S
- 3,4,5-Trimethoxy-N-(4-methylbenzo[d]thiazol-2-yl)benzamide313251-72-8C18H18N2O4S
- (E)-2,4-Dimethoxy-N-(4-methoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)benzamide441291-26-5C18H18N2O4S
- (E)-2,6-Dimethoxy-N-(4-methoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)benzamide441291-57-2C18H18N2O4S
- BRD4 Inhibitor-202490311-14-1C18H18N2O4S
- Ethyl 4-({[(2-methoxyphenyl)carbonyl]carbamothioyl}amino)benzoate430457-03-7C18H18N2O4S
- Ethyl 2-[2-(furan-2-carbonylimino)-5,7-dimethyl-1,3-benzothiazol-3-yl]acetate1321930-29-3C18H18N2O4S
- N-(1,3-Dimethyl-2-oxo-1,2-dihydroquinolin-6-yl)-2-methoxybenzene-1-sulfonamide1425927-10-1C18H18N2O4S
- 4 suppliersN-((4-Methylphenyl)sulfonyl)-L-alanine 1H-indol-3-yl ester75062-54-3C18H18N2O4S
- 5-Acetyl-2-((2-(4-methoxyphenyl)-2-oxoethyl)thio)-6-methylnicotinamide694472-83-8C18H18N2O4S
- N-((1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidin-3-yl)methyl)-2-(thiophen-2-yl)acetamide955228-58-7C18H18N2O4S
- N-(3,4,5-Trimethoxybenzyl)benzo[d]thiazole-2-carboxamide1203217-52-0C18H18N2O4S
- Ethyl 4-({[(4-methoxybenzoyl)amino]carbothioyl}amino)benzoate333740-04-8C18H18N2O4S
- N-(5,5-Dimethyl-7-oxo-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxamide477554-19-1C18H18N2O4S
- 4-(4-(Isopropylsulfonyl)benzoyl)-3,4-dihydroquinoxalin-2(1H)-one941935-48-4C18H18N2O4S
- 3,4,5-Trimethoxy-N-(6-methyl-benzothiazol-2-yl)-benzamide313261-97-1C18H18N2O4S
- N-(5-Methoxy-1,3-benzothiazol-2-yl)-3-(4-methoxyphenoxy)propanamide701248-84-2C18H18N2O4S
- 3-(4-Ethoxyphenyl)-5-(tosylmethyl)-1,2,4-oxadiazole1105199-94-7C18H18N2O4S
- N-(3-Carbamoyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-2,3-dihydro-1,4-benzodioxine-3-carboxamide381693-70-5C18H18N2O4S
- N-(2,5-Dimethoxyphenyl)-2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetamide670255-08-0C18H18N2O4S
- 2-(1,1-Dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)-N-mesitylacetamide485379-23-5C18H18N2O4S
- 3,5-Dimethyl-N-[(4-sulfamoylphenyl)methyl]-1-benzofuran-2-carboxamide620588-09-2C18H18N2O4S
- N-(6-Ethoxy-1,3-benzothiazol-2-yl)-3,4-dimethoxybenzamide309293-37-6C18H18N2O4S
- N-(2,4-Dimethoxyphenyl)-2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetamide374908-11-9C18H18N2O4S
- N-(3,5-Dimethoxyphenyl)-2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetamide406179-53-1C18H18N2O4S
- N-(3-Cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-3,4,5-trimethoxybenzamide314076-27-2C18H18N2O4S
- 2-(Furan-2-yl)-5-(pyrrolidin-1-yl)-4-tosyloxazole823829-58-9C18H18N2O4S
- 1-(4-Methoxyphenyl)-3-phenyltetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one 5,5-dioxide324780-53-2C18H18N2O4S
- Ethyl (7Z)-7-(hydroxyimino)-2-[(phenylcarbonyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate108940-08-5C18H18N2O4S
- N-(2,5-Dimethylphenyl)-3-(1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)propanamide723741-02-4C18H18N2O4S
- Ethyl 4-[(3-methoxybenzoyl)carbamothioylamino]benzoate430452-99-6C18H18N2O4S
- 2-(1,1-Dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)-N-(2-isopropylphenyl)acetamide443108-45-0C18H18N2O4S
- N-(3-Carbamoyl-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-1,3-benzodioxole-5-carboxamide352679-02-8C18H18N2O4S
- Methyl 2-({[(4-ethoxyphenyl)carbonyl]carbamothioyl}amino)benzoate430449-53-9C18H18N2O4S
- 4-(3,4-Dimethoxyphenyl)-3-methyl-1-(phenylsulfonyl)-1H-pyrazole321526-10-7C18H18N2O4S
- 3-(1,1-Dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)-N-(4-ethylphenyl)propanamide663168-50-1C18H18N2O4S
- N-(3-Carbamoyl-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-1,3-benzodioxole-5-carboxamide329221-84-3C18H18N2O4S
- 3-[(3-Carbamoyl-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)carbamoyl]benzoic acid350999-45-0C18H18N2O4S
- 1-(2-Methoxyphenyl)-3-phenyltetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one 5,5-dioxide879929-28-9C18H18N2O4S
- 4-(3-Ethyl-2,5-dioxo-3-phenylpyrrolidin-1-yl)benzene-1-sulfonamide28093-47-2C18H18N2O4S
- Ethyl 5-carbamoyl-4-methyl-2-[[(E)-3-phenylprop-2-enoyl]amino]thiophene-3-carboxylate353470-19-6C18H18N2O4S
- Methyl (4-{[(1,3-benzodioxol-5-ylmethyl)carbamothioyl]amino}phenyl)acetate516457-42-4C18H18N2O4S
- Ethyl 2-[(2-methoxyphenyl)methyl]-5-methyl-4-oxo-3H-thieno[2,3-d]pyrimidine-6-carboxylate743439-30-7C18H18N2O4S
- N-(3-Methoxyphenyl)-11-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4(12),5,7-triene-6-sulfonamide898462-85-6C18H18N2O4S
- Methyl 2-({[(4-methoxyphenyl)acetyl]carbamothioyl}amino)benzoate712320-29-1C18H18N2O4S
- 4-(Benzenesulfonyl)-2-(4-methoxyphenyl)-N,N-dimethyl-1,3-oxazol-5-amine492997-86-1C18H18N2O4S
- 4-({[(3,5-Dimethylphenoxy)acetyl]carbamothioyl}amino)benzoic acid532979-46-7C18H18N2O4S
- 2-[(4-Propoxybenzoyl)carbamothioylamino]benzoic acid433688-03-0C18H18N2O4S
- Ethyl 4-cyano-5-[(2-methoxy-3-methylbenzoyl)amino]-3-methyl-2-thiophenecarboxylate839692-17-0C18H18N2O4S
- 5-[3-(2-Hydroxyphenyl)-5-thiophen-2-yl-3,4-dihydropyrazol-2-yl]-5-oxopentanoic acid871673-20-0C18H18N2O4S
- N-(6-Ethoxy-1,3-benzothiazol-2-yl)-3,5-dimethoxybenzamide300712-78-1C18H18N2O4S
- Methyl 4-((5,5-dimethyl-7-oxo-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)carbamoyl)benzoate684232-04-0C18H18N2O4S
Frequently asked questions
What is the molar mass of C18H18N2O4S?
The molar mass of C18H18N2O4S is 358.41 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 358.0987 Da.
How many compounds have the formula C18H18N2O4S?
CompoundList lists 269 compounds with the molecular formula C18H18N2O4S, including 3,4,5-Trimethoxy-N-(3-methyl-1,3-benzothiazol-2-ylidene)benzamide, N-[(4-Methylphenyl)sulfonyl]tryptophan, Qav-680. 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 C18H18N2O4S?
C18H18N2O4S 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.