Molecular formula
C18H20N2O3S
453 compounds have this formula on CompoundList.
- Molar mass
- 344.43g/mol
- Monoisotopic mass
- 344.1195Da
- Atoms
- 44
- Elements
- 5
- Rings plus double bonds
- 10
The formula C18H20N2O3S describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 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 × 1862.77%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 205.85%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 28.13%14.007 × 2 = 28.014 g/mol
- O Oxygen × 313.94%15.999 × 3 = 47.997 g/mol
- S Sulfur × 19.31%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H20N2O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 453 compounds
1-Benzoyl-3-(3,4-dimethoxyphenethyl)-2-thiourea
CAS 52187-32-3C18H20N2O3S
5-Thiazolecarboxylic acid, 2-(3-cyano-4-(2-methylpropoxy)phenyl)-4-methyl-, ethyl ester
CAS 160844-75-7C18H20N2O3S
![2-Phenyl-N-[4-(1-pyrrolidinylsulfonyl)phenyl]acetamide chemical structure, C18H20N2O3S, CAS 432012-19-6](/s/JNTHIVSJYZSLTQ-UHFFFAOYSA-N.svg)
2-Phenyl-N-[4-(1-pyrrolidinylsulfonyl)phenyl]acetamide
CAS 432012-19-6C18H20N2O3S
9H-Thioxanthen-9-one, 1-((2-(dimethylamino)ethyl)amino)-7-hydroxy-4-(hydroxymethyl)-
CAS 86455-91-6C18H20N2O3S
N-Phenyl-4-piperidin-1-ylsulfonylbenzamide
CAS 393125-05-8C18H20N2O3S
1-(4-Butoxyphenyl)sulfonyl-2-methylbenzimidazole
CAS 324777-05-1C18H20N2O3S
![N-[4-(3,4-Dihydro-2(1H)-isoquinolinylcarbonyl)phenyl]-N-methylmethanesulfonamide chemical structure, C18H20N2O3S, CAS 694488-25-0](/s/LAIOJEMHIJOIQX-UHFFFAOYSA-N.svg)
N-[4-(3,4-Dihydro-2(1H)-isoquinolinylcarbonyl)phenyl]-N-methylmethanesulfonamide
CAS 694488-25-0C18H20N2O3S
![2-[2-[2-(2-Methoxyphenoxy)ethylsulfanyl]benzimidazol-1-yl]ethanol chemical structure, C18H20N2O3S, CAS 312592-89-5](/s/JPTVHJWPHHADPL-UHFFFAOYSA-N.svg)
2-[2-[2-(2-Methoxyphenoxy)ethylsulfanyl]benzimidazol-1-yl]ethanol
CAS 312592-89-5C18H20N2O3S
4-(4-tert-Butylphenyl)sulfonyl-1,3-dihydroquinoxalin-2-one
CAS 432496-15-6C18H20N2O3S
(E)-N-(4-Morpholin-4-ylphenyl)-2-phenylethenesulfonamide
CAS 1164461-42-0C18H20N2O3S
![1-(4-Propoxyphenyl)-3-[(thiophen-2-ylmethyl)amino]pyrrolidine-2,5-dione chemical structure, C18H20N2O3S, CAS 1009227-43-3](/s/YQBAKFDSZZSHKP-UHFFFAOYSA-N.svg)
1-(4-Propoxyphenyl)-3-[(thiophen-2-ylmethyl)amino]pyrrolidine-2,5-dione
CAS 1009227-43-3C18H20N2O3S
![2-[(2-Anilino-2-oxoethyl)sulfanyl]-N-(4-methoxybenzyl)acetamide chemical structure, C18H20N2O3S, CAS 329921-59-7](/s/PKXQOVGGRPMSOG-UHFFFAOYSA-N.svg)
2-[(2-Anilino-2-oxoethyl)sulfanyl]-N-(4-methoxybenzyl)acetamide
CAS 329921-59-7C18H20N2O3S
![2-[Benzenesulfonyl(benzyl)amino]-N-cyclopropylacetamide chemical structure, C18H20N2O3S, CAS 431923-80-7](/s/PIDBJQJAECETRD-UHFFFAOYSA-N.svg)
2-[Benzenesulfonyl(benzyl)amino]-N-cyclopropylacetamide
CAS 431923-80-7C18H20N2O3S
![Ethyl 4-[(2-hydroxy-2-phenylethyl)carbamothioylamino]benzoate chemical structure, C18H20N2O3S, CAS 351165-90-7](/s/DFBIICMBLVCUCO-UHFFFAOYSA-N.svg)
Ethyl 4-[(2-hydroxy-2-phenylethyl)carbamothioylamino]benzoate
CAS 351165-90-7C18H20N2O3S
![N-[2-Keto-2-(p-anisidino)ethyl]-N-methyl-5,6-dihydro-4H-cyclopenta[b]thiophene-2-carboxamide chemical structure, C18H20N2O3S, CAS 1031514-55-2](/s/QAVUJIAWUVEMOI-UHFFFAOYSA-N.svg)
N-[2-Keto-2-(p-anisidino)ethyl]-N-methyl-5,6-dihydro-4H-cyclopenta[b]thiophene-2-carboxamide
CAS 1031514-55-2C18H20N2O3S
3-(Cyclopentylsulfamoyl)-N-phenylbenzamide
CAS 412940-46-6C18H20N2O3S
![Biphenyl-4-yl[4-(methylsulfonyl)piperazin-1-yl]methanone chemical structure, C18H20N2O3S, CAS 333756-65-3](/s/ZUMZANBOVUZEBN-UHFFFAOYSA-N.svg)
Biphenyl-4-yl[4-(methylsulfonyl)piperazin-1-yl]methanone
CAS 333756-65-3C18H20N2O3S
![{4-[(4-Methylphenyl)sulfonyl]piperazino}(phenyl)methanone chemical structure, C18H20N2O3S, CAS 94068-12-9](/s/JVJRRXMJXLLOAP-UHFFFAOYSA-N.svg)
{4-[(4-Methylphenyl)sulfonyl]piperazino}(phenyl)methanone
CAS 94068-12-9C18H20N2O3S
2-(((2-Methylphenoxy)AC)amino)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide
CAS 303092-53-7C18H20N2O3S
![4-Methyl-N-[4-(pyrrolidin-1-ylsulfonyl)phenyl]benzamide chemical structure, C18H20N2O3S, CAS 315669-83-1](/s/RWPHEHBKDYLACW-UHFFFAOYSA-N.svg)
4-Methyl-N-[4-(pyrrolidin-1-ylsulfonyl)phenyl]benzamide
CAS 315669-83-1C18H20N2O3S
![N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-4-methylbenzenesulfonamide chemical structure, C18H20N2O3S, CAS 102016-76-2](/s/OKBTYZLPIFLPBD-UHFFFAOYSA-N.svg)
N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-4-methylbenzenesulfonamide
CAS 102016-76-2C18H20N2O3S
![2-{[(4-Methoxyphenyl)acetyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide chemical structure, C18H20N2O3S, CAS 315676-21-2](/s/MXKOBTYPHYSCSK-UHFFFAOYSA-N.svg)
2-{[(4-Methoxyphenyl)acetyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide
CAS 315676-21-2C18H20N2O3S
N-Allyl-2-(benzenesulfonyl-benzyl-amino)-acetamide
CAS 331426-77-8C18H20N2O3S
![2-Methyl-N-[4-(1-pyrrolidinylsulfonyl)phenyl]benzamide chemical structure, C18H20N2O3S, CAS 314765-05-4](/s/HBMVCBKPPNHSNV-UHFFFAOYSA-N.svg)
2-Methyl-N-[4-(1-pyrrolidinylsulfonyl)phenyl]benzamide
CAS 314765-05-4C18H20N2O3S
- N-Cyclopropyl-3-[(2,4-dimethylphenyl)sulfamoyl]benzamide380468-42-8C18H20N2O3S
- Methyl (4-{[(4-methoxybenzyl)carbamothioyl]amino}phenyl)acetate516457-07-1C18H20N2O3S
- N-[4-(Aminosulfonyl)phenyl]-1-phenylcyclopentanecarboxamide708994-65-4C18H20N2O3S
- 1-Acetyl-N-(1-phenylethyl)-5-indolinesulfonamide838870-59-0C18H20N2O3S
- 2-(3-Methylphenoxy)-1-[4-(thiophene-2-carbonyl)piperazin-1-yl]ethanone423739-43-9C18H20N2O3S
- 2-(4-Methylphenoxy)-1-[4-(thiophene-2-carbonyl)piperazin-1-yl]ethanone423751-12-6C18H20N2O3S
- N-{4-[(2,4-Dimethylanilino)sulfonyl]phenyl}cyclopropanecarboxamide433696-33-4C18H20N2O3S
- Methyl (4-{[(3-methoxybenzyl)carbamothioyl]amino}phenyl)acetate516458-69-8C18H20N2O3S
- Methyl 4-({[2-(4-methoxyphenyl)ethyl]carbamothioyl}amino)benzoate708294-24-0C18H20N2O3S
- N-[4-(2,3-Dihydro-1H-indol-1-ylsulfonyl)phenyl]butanamide327066-37-5C18H20N2O3S
- 1-(2-Furoyl)-4-[3-(phenylthio)propanoyl]piperazine827619-59-0C18H20N2O3S
- 1-[(4-Methoxy-2,5-dimethylphenyl)sulfonyl]-2-phenyl-4,5-dihydro-1H-imidazole708242-57-3C18H20N2O3S
- N-[2-(2,3-Dihydroindol-1-yl)-2-oxoethyl]-N,4-dimethylbenzenesulfonamide701241-33-0C18H20N2O3S
- 2-Methyl-N-phenyl-5-(1-pyrrolidinylcarbonyl)benzenesulfonamide824980-34-9C18H20N2O3S
- Methyl 6-(4-ethylphenyl)-8-methyl-4-oxo-3,4-dihydro-2H,6H-pyrimido(2,1-B)(1,3)thiazine-7-carboxylate609795-83-7C18H20N2O3S
- Methyl (4-{[(2-methoxybenzyl)carbamothioyl]amino}phenyl)acetate516458-72-3C18H20N2O3S
- N-Allyl-4-(benzyl-methanesulfonyl-amino)-benzamide333356-54-0C18H20N2O3S
- 2-Methyl-N-[4-morpholinyl(phenyl)methylene]benzenesulfonamide835889-24-2C18H20N2O3S
- N-(4-Ethylphenyl)-1-(methylsulfonyl)-5-indolinecarboxamide662158-67-0C18H20N2O3S
- N-(4-Methylphenyl)-4-[methylsulfonyl(prop-2-enyl)amino]benzamide824975-33-9C18H20N2O3S
- 1-Acetyl-N-(2,4-dimethylphenyl)-2,3-dihydroindole-5-sulfonamide839682-22-3C18H20N2O3S
- 2-(2-Ethyl-6-methyl-3-oxo(2H-benzo[e]1,4-oxazaperhydroin-4-yl))-N-(2-thienylme thyl)acetamide606120-33-6C18H20N2O3S
- 2-Benzylsulfanyl-1-[4-(furan-2-carbonyl)piperazin-1-yl]ethanone710980-66-8C18H20N2O3S
- [2-Oxo-2-(3-phenylpropylamino)ethyl] 2-methylsulfanylpyridine-3-carboxylate728905-91-7C18H20N2O3S
- 1-(2,3-Dihydro-1,4-benzodioxin-3-ylmethyl)-3-(4-methoxyphenyl)-1-methylthiourea796092-27-8C18H20N2O3S
- 1-(4-Phenylpiperazin-1-yl)-2-(phenylsulfonyl)ethanone880341-66-2C18H20N2O3S
- 4-(Azetidine-1-carbonyl)-N-(2,3-dimethylphenyl)benzene-1-sulfonamide1090341-09-5C18H20N2O3S
- N-Benzyl-N-methyl-4-(2-oxopyrrolidin-1-yl)benzenesulfonamide919658-33-6C18H20N2O3S
- {Methyl[(4-methylphenyl)methyl]carbamoyl}methyl 2-(methylsulfanyl)pyridine-3-carboxylate878606-14-5C18H20N2O3S
- N-[2-(3,4-Dihydro-1H-isoquinoline-2-carbonyl)phenyl]-N-methylmethanesulfonamide706764-66-1C18H20N2O3S
- Propan-2-yl 2-({2-[methyl(phenyl)amino]-2-oxoethyl}sulfanyl)pyridine-3-carboxylate6721-84-2C18H20N2O3S
- 2-[2-[2-(4-Methoxyphenoxy)ethylsulfanyl]benzimidazol-1-yl]ethanol313233-17-9C18H20N2O3S
- 1-((5-Methoxy-2,4-dimethylphenyl)sulfonyl)-5,6-dimethyl-1H-benzo[d]imidazole433698-82-9C18H20N2O3S
- 2-{[4-(4-Methylphenyl)-1,3-thiazol-2-yl]carbamoyl}cyclohexanecarboxylic acid353768-56-6C18H20N2O3S
- 1-((5-Isopropyl-2-methoxy-4-methylphenyl)sulfonyl)-1H-benzo[d]imidazole398996-79-7C18H20N2O3S
- 1-((4-Methoxy-2,5-dimethylphenyl)sulfonyl)-5,6-dimethyl-1H-benzo[d]imidazole433705-47-6C18H20N2O3S
- N-(4-Acetamidophenyl)-4-thiophen-2-yloxane-4-carboxamide877649-33-7C18H20N2O3S
- 1-((4-Methoxy-2,3-dimethylphenyl)sulfonyl)-2-phenyl-4,5-dihydro-1H-imidazole873580-31-5C18H20N2O3S
- 2-[(5-Methyl-4-phenyl-1,3-thiazol-2-yl)carbamoyl]cyclohexanecarboxylic acid353787-58-3C18H20N2O3S
- 1-((4-Ethoxy-3-methylphenyl)sulfonyl)-2-phenyl-4,5-dihydro-1H-imidazole832685-79-7C18H20N2O3S
- 3-(4-Methoxyphenyl)-1-(methylsulfonyl)-5-(p-tolyl)-4,5-dihydro-1H-pyrazole384349-48-8C18H20N2O3S
- N-(1-Acetyl-3,4-dihydro-2H-quinolin-7-yl)-4-methylbenzenesulfonamide898465-49-1C18H20N2O3S
- N-(3,5-Dimethylphenyl)-3-(1,1-dioxidoisothiazolidin-2-yl)benzamide941986-38-5C18H20N2O3S
- N-[2-Oxo-2-(pyrrolidin-1-yl)ethyl]-N-phenylbenzenesulfonamide331727-11-8C18H20N2O3S
- 1-Acetyl-3-[(4-methylphenyl)sulfonyl]-2-phenylimidazolidine426232-65-7C18H20N2O3S
- N-Cyclopentyl-1-ethyl-2-oxo-1,2-dihydrobenzo[cd]indole-6-sulfonamide438488-97-2C18H20N2O3S
- 2-(1-Methyl-2-oxo-2-piperidinoethyl)-1lambda~6~-naphtho[1,8-cd]isothiazole-1,1(2H)-dione791804-89-2C18H20N2O3S
- N-Benzyl-3-(pyrrolidine-1-sulfonyl)benzamide352671-79-5C18H20N2O3S
- 2-(4-Ethoxybenzamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide312917-65-0C18H20N2O3S
- Ethyl 2-((4-hydroxy-5,6,7,8-tetrahydroquinazolin-2-yl)thio)-2-phenylacetate852538-59-1C18H20N2O3S
- 9H-Thioxanthen-9-one, 7-hydroxy-1-[[2-[(2-hydroxyethyl)amino]ethyl]amino]-4-methyl-80568-39-4C18H20N2O3S
- (4-Methylphenyl)-[3-(4-methylphenyl)sulfonylimidazolidin-1-yl]methanone161093-25-0C18H20N2O3S
- (4-Methylsulfonylphenyl)-(4-phenylpiperazin-1-yl)methanone896349-63-6C18H20N2O3S
- 1-(Furan-2-carbonyl)-4-(4,5,6,7-tetrahydro-1-benzothiophene-2-carbonyl)piperazine380424-66-8C18H20N2O3S
- 2,4,6-Trimethyl-N-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)benzenesulfonamide922133-67-3C18H20N2O3S
- N1-(2-methoxyphenethyl)-N2-(2-(methylthio)phenyl)oxalamide920247-38-7C18H20N2O3S
- N-(5-Ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)thiophene-3-carboxamide1207035-90-2C18H20N2O3S
- Phenyl 4-((thiophene-3-carboxamido)methyl)piperidine-1-carboxylate1235391-02-2C18H20N2O3S
- 1-((2-Ethoxy-5-isopropylphenyl)sulfonyl)-1H-benzo[d]imidazole723745-69-5C18H20N2O3S
- 1-Acetyl-N-(3,4-dimethylphenyl)-2,3-dihydroindole-5-sulfonamide838887-37-9C18H20N2O3S
- N-{4-[(6-Methyl-1,2,3,4-tetrahydroquinolin-1-yl)sulfonyl]phenyl}acetamide496054-71-8C18H20N2O3S
- Ethyl 2-((2-(indolin-1-yl)-2-(thiophen-2-yl)ethyl)amino)-2-oxoacetate1206993-58-9C18H20N2O3S
- 5-(Pyrrolidin-1-ylsulfonyl)-1-(4-vinylbenzyl)pyridin-2(1H)-one1251592-55-8C18H20N2O3S
- (2-Methylsulfonylphenyl)-(4-phenylpiperazin-1-yl)methanone875156-25-5C18H20N2O3S
- 2-(3-(9H-Carbazol-9-yl)-2-hydroxypropyl)isothiazolidine 1,1-dioxide1487498-37-2C18H20N2O3S
- N,N-Dimethyl-3-(1,2,3,4-tetrahydroisoquinoline-2-sulfonyl)benzamide1327484-39-8C18H20N2O3S
- 6-((5,6,7,8-Tetrahydronaphthalen-2-yl)sulfonyl)-5,6,7,8-tetrahydro-1,6-naphthyridin-2(1H)-one1421494-43-0C18H20N2O3S
- 9H-Thioxanthen-9-one, 6-hydroxy-1-[[2-[(2-hydroxyethyl)amino]ethyl]amino]-4-methyl-80568-46-3C18H20N2O3S
- N-[4-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1,3-thiazol-2-yl]cyclohexanecarboxamide888410-18-2C18H20N2O3S
- [1,1'-Biphenyl]-4-sulfonamide, 4'-cyano-N-(5-hydroxypentyl)-871113-84-7C18H20N2O3S
- 2-Ethoxy-N-(2-(thiophene-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)acetamide955641-61-9C18H20N2O3S
- N-(2-Benzoyl-1,2,3,4-tetrahydroisoquinolin-7-yl)ethanesulfonamide955716-96-8C18H20N2O3S
- N-(1-Acetylindolin-6-yl)-2-phenylethanesulfonamide1058213-39-0C18H20N2O3S
- 2-(Thiophen-2-yl)-N-(3,3,5-trimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)acetamide921811-88-3C18H20N2O3S
- N-{4-[(2-Methyl-1,2,3,4-tetrahydroquinolin-1-yl)sulfonyl]phenyl}acetamide1031522-83-4C18H20N2O3S
- 2-{[(4-Methylphenoxy)acetyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide315675-97-9C18H20N2O3S
Frequently asked questions
What is the molar mass of C18H20N2O3S?
The molar mass of C18H20N2O3S is 344.43 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 344.1195 Da.
How many compounds have the formula C18H20N2O3S?
CompoundList lists 453 compounds with the molecular formula C18H20N2O3S, including 1-Benzoyl-3-(3,4-dimethoxyphenethyl)-2-thiourea, 5-Thiazolecarboxylic acid, 2-(3-cyano-4-(2-methylpropoxy)phenyl)-4-methyl-, ethyl ester, 2-Phenyl-N-[4-(1-pyrrolidinylsulfonyl)phenyl]acetamide. 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 C18H20N2O3S?
C18H20N2O3S 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.