Molecular formula
C18H19NO3S
136 compounds have this formula on CompoundList.
- Molar mass
- 329.41g/mol
- Monoisotopic mass
- 329.1086Da
- Atoms
- 42
- Elements
- 5
- Rings plus double bonds
- 10
The formula C18H19NO3S describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 3 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 × 1865.63%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 195.81%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 14.25%14.007 × 1 = 14.007 g/mol
- O Oxygen × 314.57%15.999 × 3 = 47.997 g/mol
- S Sulfur × 19.73%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H19NO3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 136 compounds
![Ethyl 2-[(phenylacetyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate chemical structure, C18H19NO3S, CAS 120354-35-0](/s/ZBXYRTPFEXLFNO-UHFFFAOYSA-N.svg)
Ethyl 2-[(phenylacetyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate
CAS 120354-35-0C18H19NO3S
1-(3,4-Dihydroquinolin-1(2H)-yl)-3-(phenylsulfonyl)propan-1-one
CAS 881793-58-4C18H19NO3S
2-(Benzylsulfonyl)-1-(3,4-dihydroisoquinolin-2(1H)-yl)ethanone
CAS 701241-57-8C18H19NO3S
![2-({[Benzyl(ethyl)carbamoyl]methyl}sulfanyl)benzoic acid chemical structure, C18H19NO3S, CAS 722476-66-6](/s/CHJMRBWCALZMMW-UHFFFAOYSA-N.svg)
2-({[Benzyl(ethyl)carbamoyl]methyl}sulfanyl)benzoic acid
CAS 722476-66-6C18H19NO3S
![Methyl 2-[(4-methylbenzoyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate chemical structure, C18H19NO3S, CAS 301694-01-9](/s/SAWCLBFLHPGRFV-UHFFFAOYSA-N.svg)
Methyl 2-[(4-methylbenzoyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
CAS 301694-01-9C18H19NO3S
![4-({[N-(4-Ethylphenyl)carbamoyl]methylthio}methyl)benzoic acid chemical structure, C18H19NO3S, CAS 686325-55-3](/s/QFBRKYVORNMEDM-UHFFFAOYSA-N.svg)
4-({[N-(4-Ethylphenyl)carbamoyl]methylthio}methyl)benzoic acid
CAS 686325-55-3C18H19NO3S
![2-[(3-Phenylpropanoyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylic acid chemical structure, C18H19NO3S, CAS 342595-08-8](/s/KHACIRHRQWTWII-UHFFFAOYSA-N.svg)
2-[(3-Phenylpropanoyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylic acid
CAS 342595-08-8C18H19NO3S
4-((4-Methylphenyl)thio)-3-((1-oxobutyl)amino)benzoic acid
CAS 702670-50-6C18H19NO3S
![2-{[2-(3,4-Dimethylanilino)-2-oxo-1-phenylethyl]sulfanyl}acetic acid chemical structure, C18H19NO3S, CAS 339108-42-8](/s/RTSNGAJLQKAACD-UHFFFAOYSA-N.svg)
2-{[2-(3,4-Dimethylanilino)-2-oxo-1-phenylethyl]sulfanyl}acetic acid
CAS 339108-42-8C18H19NO3S
![2-[(4-tert-Butylphenyl)methyl]-1,1-dioxo-1,2-benzothiazol-3-one chemical structure, C18H19NO3S, CAS 876399-01-8](/s/NTTVDEBFRASRJD-UHFFFAOYSA-N.svg)
2-[(4-tert-Butylphenyl)methyl]-1,1-dioxo-1,2-benzothiazol-3-one
CAS 876399-01-8C18H19NO3S
4-Methylsulfonyl-N-(1,2,3,4-tetrahydronaphthalen-1-yl)benzamide
CAS 791132-54-2C18H19NO3S
![[2-(2-Methylsulfanylanilino)-2-oxoethyl] 3-phenylpropanoate chemical structure, C18H19NO3S, CAS 731792-74-8](/s/LCDWRAWZFKOWPJ-UHFFFAOYSA-N.svg)
[2-(2-Methylsulfanylanilino)-2-oxoethyl] 3-phenylpropanoate
CAS 731792-74-8C18H19NO3S
![[2-(2-Methylanilino)-2-oxoethyl] 3-phenylsulfanylpropanoate chemical structure, C18H19NO3S, CAS 735320-04-4](/s/WOHCVQQOYHGUEG-UHFFFAOYSA-N.svg)
[2-(2-Methylanilino)-2-oxoethyl] 3-phenylsulfanylpropanoate
CAS 735320-04-4C18H19NO3S
![N-[2-(3,4-Dimethylphenyl)sulfanylacetyl]-2-methoxybenzamide chemical structure, C18H19NO3S, CAS 878566-88-2](/s/RQFOXQHWOMPMQV-UHFFFAOYSA-N.svg)
N-[2-(3,4-Dimethylphenyl)sulfanylacetyl]-2-methoxybenzamide
CAS 878566-88-2C18H19NO3S
N-(3,4-Dihydro-2H-thiochromen-4-yl)-3,5-dimethoxybenzamide
CAS 876907-67-4C18H19NO3S
N-(3,4-Dihydro-2H-thiochromen-4-yl)-2,5-dimethoxybenzamide
CAS 878927-02-7C18H19NO3S
Ethyl 2-(benzoylamino)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
CAS 52580-57-1C18H19NO3S
![3-(4-Isopropoxy-3-methoxybenzyl)benzo[d]thiazol-2(3H)-one chemical structure, C18H19NO3S, CAS 842957-12-4](/s/HZQYNQQWCFNTRH-UHFFFAOYSA-N.svg)
3-(4-Isopropoxy-3-methoxybenzyl)benzo[d]thiazol-2(3H)-one
CAS 842957-12-4C18H19NO3S
2-(Benzylsulfonyl)-1-(3,4-dihydroquinolin-1(2H)-yl)ethanone
CAS 701231-57-4C18H19NO3S
1-(3,4-Dihydroisoquinolin-2(1H)-yl)-3-(phenylsulfonyl)propan-1-one
CAS 878428-80-9C18H19NO3S
Arm-210
CAS 1467605-57-7C18H19NO3S
Methyl 2-(1-(thiophen-2-yl)cyclopentanecarboxamido)benzoate
CAS 1049512-54-0C18H19NO3S
![N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-1-(thiophen-2-yl)cyclopentanecarboxamide chemical structure, C18H19NO3S, CAS 1049525-31-6](/s/FFNNFVCOXYPOSZ-UHFFFAOYSA-N.svg)
N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-1-(thiophen-2-yl)cyclopentanecarboxamide
CAS 1049525-31-6C18H19NO3S
N-(4-Methylbenzylthiocarbonyl)phenylalanine
CAS 64905-22-2C18H19NO3S
- 3-Benzylsulfonyl-1-(2,3-dihydroindol-1-yl)propan-1-one827620-37-1C18H19NO3S
- Methyl 4-{cyclopropyl[2-(thiophen-2-yl)ethyl]carbamoyl}benzoate1396883-22-9C18H19NO3S
- L-3-(Benzylthio)-N-(phenylacetyl)alanine5411-82-5C18H19NO3S
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-1-(thiophen-2-yl)cyclopentanecarboxamide1049513-19-0C18H19NO3S
- N-((1-(Thiophen-2-yl)cyclopentyl)methyl)benzo[d][1,3]dioxole-5-carboxamide1060215-18-0C18H19NO3S
- Ethyl 2-(3-methylbut-2-enamido)-5-phenylthiophene-3-carboxylate686281-55-0C18H19NO3S
- 4-(2-Methylpropyl)-2-[[(E)-3-phenylprop-2-enoyl]amino]thiophene-3-carboxylic acid325740-82-7C18H19NO3S
- 5-[(1S)-3-(Methylamino)-1-(thiophen-2-yl)propoxy]naphthalene-1,2-diol741693-78-7C18H19NO3S
- Methyl 2-[(3-methylbenzoyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate328023-47-8C18H19NO3S
- Methyl 4,5-dimethyl-2-{[(2-phenylcyclopropyl)carbonyl]amino}thiophene-3-carboxylate352679-66-4C18H19NO3S
- 2-(5-Phenylpentane-1-sulfonyl)-1,3-benzoxazole832077-69-7C18H19NO3S
- Ethyl 2-[(3-methylbenzoyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate312917-74-1C18H19NO3S
- Ethyl 2-(4-methylbenzamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate300826-05-5C18H19NO3S
- Ethyl 2-[(cyclopropylcarbonyl)amino]-4-(4-methylphenyl)thiophene-3-carboxylate312528-48-6C18H19NO3S
- 3-Hydroxy-3-[2-(5-methylthiophen-2-yl)-2-oxoethyl]-1-propylindol-2-one689755-62-2C18H19NO3S
- Ethyl 2-(2-methylbenzamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate348154-52-9C18H19NO3S
- 1-Butyl-3-hydroxy-3-[2-oxo-2-(thiophen-2-yl)ethyl]-1,3-dihydro-2H-indol-2-one689740-64-5C18H19NO3S
- Methyl 2-[(3-phenylpropanoyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate327070-22-4C18H19NO3S
- Benzyl ((R)-1-((S)-oxiran-2-yl)-2-(phenylthio)ethyl)carbamate163462-16-6C18H19NO3S
- Methyl 2-(6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-amido)benzoate868153-81-5C18H19NO3S
- Carbamic acid, methyl(phenylthio)-, 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester50539-66-7C18H19NO3S
- Methyl 2-[(phenylacetyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate420093-21-6C18H19NO3S
- Propyl 4-(2-phenylthioacetylamino)benzoate432540-10-8C18H19NO3S
- Phenylmethyl N-((1R)-1-(2R)-2-oxiranyl-2-(phenylthio)ethyl)carbamate159878-03-2C18H19NO3S
- N-[2-(Propan-2-ylsulfanyl)phenyl]-2,3-dihydro-1,4-benzodioxine-2-carboxamide879476-14-9C18H19NO3S
- Ethyl 4-({[(4-methylphenyl)sulfanyl]acetyl}amino)benzoate375354-67-9C18H19NO3S
- Methyl 2-({3-[(4-methylphenyl)sulfanyl]propanoyl}amino)benzoate664319-64-6C18H19NO3S
- Methyl 4-methyl-3-(4,5,6,7-tetrahydro-1-benzothiophene-3-carbonylamino)benzoate444930-48-7C18H19NO3S
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-(4-methylphenyl)sulfanylpropanamide694499-68-8C18H19NO3S
- 1-(2-Methyl-2,3-dihydro-1H-indol-1-yl)-2-[(4-methylphenyl)sulfonyl]ethanone893260-18-9C18H19NO3S
- (Z)-7-((Diethylamino)methyl)-6-hydroxy-2-(thiophen-2-ylmethylene)benzofuran-3(2H)-one896808-10-9C18H19NO3S
- N-(2-Ethyl-2-methyl-1,3-benzodioxol-5-yl)-2-(methylsulfanyl)benzamide540516-04-9C18H19NO3S
- Ethyl 5-ethyl-2-[[(E)-3-phenylprop-2-enoyl]amino]thiophene-3-carboxylate333353-87-0C18H19NO3S
- Quinolinium, 1,6-dimethyl-, 4-methylbenzenesulfonate (1:1)72076-53-0C18H19NO3S
- Ethyl 2-[(2-hydroxybenzylidene)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate932746-34-4C18H19NO3S
- Methyl 2-[(cyclopentylcarbonyl)amino]-5-phenylthiophene-3-carboxylate444935-06-2C18H19NO3S
- Methyl 2-(cyclopropanecarbonylamino)-5-methyl-4-(4-methylphenyl)thiophene-3-carboxylate496016-20-7C18H19NO3S
- Methyl 4-({3-[(4-methylphenyl)sulfanyl]propanoyl}amino)benzoate693798-39-9C18H19NO3S
- 2-{[N-(2,4,6-Trimethylphenyl)carbamoyl]methylthio}benzoic acid540774-64-9C18H19NO3S
- 5,5-Dimethyl-2-(3-phenoxyphenyl)-1,3-thiazolidine-4-carboxylic acid1044753-45-8C18H19NO3S
- Methyl 3-((phenylcyclopentyl)carbonylamino)thiophene-2-carboxylate1024523-08-7C18H19NO3S
- Methyl 4-[4-(thiophen-2-yl)piperidine-1-carbonyl]benzoate1396749-32-8C18H19NO3S
- 4-(Dimethylamino)-1-phenyl-3,4-dihydronaphthalene-2-sulfonic acid52371-28-5C18H19NO3S
- 6-Methoxy-2-methyl-1-(4-methylphenyl)sulfonyl-2H-quinoline34129-50-5C18H19NO3S
- Ethyl 3-{[(benzylsulfanyl)acetyl]amino}benzoate587843-48-9C18H19NO3S
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3-(4-methylphenyl)sulfanylpropanamide694497-80-8C18H19NO3S
- AR-685/43307794918538-40-6C18H19NO3S
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-propylsulfanylbenzamide881802-26-2C18H19NO3S
- Ethyl 2-(5,6,7,8-tetrahydronaphthalene-2-carboxamido)thiophene-3-carboxylate921054-80-0C18H19NO3S
- {[3-(Methylsulfanyl)phenyl]carbamoyl}methyl 2-(4-methylphenyl)acetate1797254-95-5C18H19NO3S
- 1-(2,5-Dimethylphenyl)-1-oxopropan-2-yl 2-(methylsulfanyl)pyridine-3-carboxylate1147392-05-9C18H19NO3S
- Rasagiline besylate1201908-33-9C18H19NO3S
- Methyl 4-[4-(thiophen-3-yl)piperidine-1-carbonyl]benzoate1396886-83-1C18H19NO3S
- 9-Methoxy-2-methyl-4-[2-(methylthio)phenyl]-4,5-dihydro-1,4-benzoxazepin-3(2H)-one1396757-48-4C18H19NO3S
- Methyl [4-({[(4-methylphenyl)sulfanyl]acetyl}amino)phenyl]acetate518008-47-4C18H19NO3S
- 3-(Benzenesulfonyl)-N-(2,3-dihydro-1H-inden-5-yl)propanamide892675-00-2C18H19NO3S
- N-(Furan-2-ylmethyl)-2,5-dimethyl-N-(2-(thiophen-2-yl)ethyl)furan-3-carboxamide1396687-39-0C18H19NO3S
- (2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)(4-(thiophen-3-yl)piperidin-1-yl)methanone1396809-50-9C18H19NO3S
- 1-BOC-3-[hydroxy(thiophen-2-yl)methyl]indole1423037-53-9C18H19NO3S
- Methyl 6-(benzo[b]thiophene-2-carbonyl)-6-azaspiro[2.5]octane-1-carboxylate2034606-80-7C18H19NO3S
- 2-Methyl-3-({[(2-methylbenzyl)sulfanyl]acetyl}amino)benzoic acid890988-95-1C18H19NO3S
- 1-Tosyl-1,2,3,4-tetrahydrobenzo[b]azocin-5(6H)-one88239-75-2C18H19NO3S
- 6-[4-(Phenylsulfanyl)butoxy]-1,4-dihydro-2H-3,1-benzoxazin-2-one89431-35-6C18H19NO3S
- 1-(3,4-Dimethylphenyl)-1-oxopropan-2-yl 2-(methylsulfanyl)pyridine-3-carboxylate1090038-87-1C18H19NO3S
- 1,1-Dioxo-N-[(5-phenylfuran-2-yl)methyl]-N-prop-2-ynylthiolan-3-amine1607277-88-2C18H19NO3S
- N-((1-(Thiophen-3-yl)cyclopentyl)methyl)benzo[d][1,3]dioxole-5-carboxamide2034451-24-4C18H19NO3S
- [1,1'-Biphenyl]-4-yl(3-(ethylsulfonyl)azetidin-1-yl)methanone2034401-97-1C18H19NO3S
- Methyl 4-((1-(thiophen-2-yl)cyclopentyl)carbamoyl)benzoate2034331-07-0C18H19NO3S
- 3-[5-(2-Methoxyethoxy)-3-methyl-2-pyridinyl]benzo[b]thiophene-5-methanol1905454-12-7C18H19NO3S
- N-(5-Hydroxy-3-(thiophen-2-yl)pentyl)benzofuran-2-carboxamide2034328-35-1C18H19NO3S
- N-[5-Hydroxy-3-(thiophen-3-yl)pentyl]-1-benzofuran-2-carboxamide2034329-12-7C18H19NO3S
- 3-Benzyl-2-(2,6-dimethoxy-phenyl)-thiazolidin-4-one1023204-91-2C18H19NO3S
- 3-Benzyl-2-(3,4-dimethoxyphenyl)-1,3-thiazolidin-4-one326879-89-4C18H19NO3S
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-(propan-2-ylsulfanyl)benzamide905757-84-8C18H19NO3S
- 1H-Indole-1-propanol, 1-(4-methylbenzenesulfonate)56276-07-4C18H19NO3S
- Carbamothioic acid, 2-propenyl-, O-[2-(4-phenoxyphenoxy)ethyl] ester63066-75-1C18H19NO3S
Frequently asked questions
What is the molar mass of C18H19NO3S?
The molar mass of C18H19NO3S is 329.41 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 329.1086 Da.
How many compounds have the formula C18H19NO3S?
CompoundList lists 136 compounds with the molecular formula C18H19NO3S, including Ethyl 2-[(phenylacetyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate, 1-(3,4-Dihydroquinolin-1(2H)-yl)-3-(phenylsulfonyl)propan-1-one, 2-(Benzylsulfonyl)-1-(3,4-dihydroisoquinolin-2(1H)-yl)ethanone. 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 C18H19NO3S?
C18H19NO3S has a degree of unsaturation of 10. 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.