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 301 to 400 of 453 compounds
N-(5-(1,1-Dioxidoisothiazolidin-2-yl)-2-methylphenyl)-2-methylbenzamide
CAS 941994-19-0C18H20N2O3S
N-(5-(1,1-Dioxidoisothiazolidin-2-yl)-2-methylphenyl)-3-methylbenzamide
CAS 941994-37-2C18H20N2O3S
N-(5-(1,1-Dioxidoisothiazolidin-2-yl)-2-methylphenyl)-4-methylbenzamide
CAS 941886-63-1C18H20N2O3S
N-(1-(Phenylsulfonyl)-1,2,3,4-tetrahydroquinolin-6-yl)propionamide
CAS 942006-42-0C18H20N2O3S
2-Methyl-N-(1-methylsulfonyl-3,4-dihydro-2H-quinolin-6-yl)benzamide
CAS 941929-73-3C18H20N2O3S
4-Methyl-N-(1-methylsulfonyl-3,4-dihydro-2H-quinolin-6-yl)benzamide
CAS 941929-83-5C18H20N2O3S
4-(1,1-Dioxothiazinan-2-yl)-N-(3-methylphenyl)benzamide
CAS 941932-76-9C18H20N2O3S
![2-Methyl-2-[(4-methylphenyl)sulfanyl]propanal O-(4-nitrobenzyl)oxime chemical structure, C18H20N2O3S, CAS 306979-76-0](/s/SAXASTQQIZEDCO-CPNJWEJPSA-N.svg)
2-Methyl-2-[(4-methylphenyl)sulfanyl]propanal O-(4-nitrobenzyl)oxime
CAS 306979-76-0C18H20N2O3S
![1-{[4-(Pentyloxy)naphthalen-1-yl]sulfonyl}-1H-imidazole chemical structure, C18H20N2O3S, CAS 941257-92-7](/s/OKXVVHXIRFQPRQ-UHFFFAOYSA-N.svg)
1-{[4-(Pentyloxy)naphthalen-1-yl]sulfonyl}-1H-imidazole
CAS 941257-92-7C18H20N2O3S
N-(1-Propionyl-1,2,3,4-tetrahydroquinolin-6-yl)benzenesulfonamide
CAS 954000-84-1C18H20N2O3S
N-((1-(4-Methoxyphenyl)-5-oxopyrrolidin-3-yl)methyl)-2-(thiophen-2-yl)acetamide
CAS 955222-02-3C18H20N2O3S
4-Methyl-N-((5-oxo-1-phenylpyrrolidin-3-yl)methyl)benzenesulfonamide
CAS 954604-38-7C18H20N2O3S
N-(1-Benzyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)ethanesulfonamide
CAS 951506-03-9C18H20N2O3S
N-(2-Tosyl-1,2,3,4-tetrahydroisoquinolin-7-yl)acetamide
CAS 954708-38-4C18H20N2O3S
N-(2-Acetyl-1,2,3,4-tetrahydroisoquinolin-7-yl)-3-methylbenzenesulfonamide
CAS 955672-88-5C18H20N2O3S
N-(2-Propionyl-1,2,3,4-tetrahydroisoquinolin-7-yl)benzenesulfonamide
CAS 955693-48-8C18H20N2O3S
![Ethyl 2-{cyclopropyl[(4-methylphenyl)carbonyl]amino}-4-methyl-1,3-thiazole-5-carboxylate chemical structure, C18H20N2O3S, CAS 866818-48-6](/s/LYAYZBUIYPAZGO-UHFFFAOYSA-N.svg)
Ethyl 2-{cyclopropyl[(4-methylphenyl)carbonyl]amino}-4-methyl-1,3-thiazole-5-carboxylate
CAS 866818-48-6C18H20N2O3S
3,4-Dimethyl-N-(1-methyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)benzenesulfonamide
CAS 922005-06-9C18H20N2O3S
N-Allyl-2-(5-methoxy-4-oxo-2-((phenylthio)methyl)pyridin-1(4H)-yl)acetamide
CAS 920221-93-8C18H20N2O3S
4-Ethyl-N-(1-ethyl-2-oxoindolin-5-yl)benzenesulfonamide
CAS 921786-57-4C18H20N2O3S
N-(1-Ethyl-2-oxoindolin-5-yl)-3,4-dimethylbenzenesulfonamide
CAS 921861-39-4C18H20N2O3S
N-(1-Ethyl-2-oxoindolin-5-yl)-2,4-dimethylbenzenesulfonamide
CAS 921556-84-5C18H20N2O3S
N-(1-Ethyl-2-oxoindolin-5-yl)-2-phenylethanesulfonamide
CAS 921786-89-2C18H20N2O3S
N-(1-Ethyl-2-oxoindolin-5-yl)-2,5-dimethylbenzenesulfonamide
CAS 921786-92-7C18H20N2O3S
- 2,4-Dimethyl-N-(1-methyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)benzenesulfonamide922105-87-1C18H20N2O3S
- 2,5-Dimethyl-N-(1-methyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)benzenesulfonamide922058-73-9C18H20N2O3S
- N-(2-Oxo-1,2,3,4-tetrahydroquinolin-6-yl)-4-propylbenzenesulfonamide922005-76-3C18H20N2O3S
- 4-Isopropyl-N-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)benzenesulfonamide921916-55-4C18H20N2O3S
- N-(1-Acetylindolin-6-yl)-1-(m-tolyl)methanesulfonamide1058213-45-8C18H20N2O3S
- N-(1-Benzoyl-1,2,3,4-tetrahydroquinolin-6-yl)ethane-1-sulfonamide946210-71-5C18H20N2O3S
- N1-(2-methoxy-5-methylphenyl)-N2-((1-(thiophen-2-yl)cyclopropyl)methyl)oxalamide1207041-51-7C18H20N2O3S
- N1-(4-ethoxyphenyl)-N2-((1-(thiophen-2-yl)cyclopropyl)methyl)oxalamide1203385-30-1C18H20N2O3S
- N1-(2-ethoxyphenyl)-N2-((1-(thiophen-2-yl)cyclopropyl)methyl)oxalamide1207013-00-0C18H20N2O3S
- N-(5-Ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)thiophene-2-carboxamide921789-83-5C18H20N2O3S
- N-(1-Methyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)-1-(m-tolyl)methanesulfonamide922005-48-9C18H20N2O3S
- N-(1-Ethyl-2-oxoindolin-5-yl)-1-(m-tolyl)methanesulfonamide921557-85-9C18H20N2O3S
- 2-(Thiophen-2-yl)-N-(3,3,5-trimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)acetamide921792-36-1C18H20N2O3S
- N-(5-Ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)thiophene-2-carboxamide921793-53-5C18H20N2O3S
- 3,5-Dimethyl-1-[(6-propoxynaphthalen-2-yl)sulfonyl]-1H-pyrazole1147207-46-2C18H20N2O3S
- N-(1-(Ethylsulfonyl)-1,2,3,4-tetrahydroquinolin-6-yl)benzamide946214-54-6C18H20N2O3S
- N-(1-Propanoyl-1,2,3,4-tetrahydroquinolin-7-yl)benzenesulfonamide946297-91-2C18H20N2O3S
- N-(1-(Ethylsulfonyl)-1,2,3,4-tetrahydroquinolin-7-yl)benzamide946226-07-9C18H20N2O3S
- 2-({2-Oxo-2-[(4-phenylbutan-2-yl)amino]ethyl}sulfanyl)pyridine-3-carboxylic acid1054015-32-5C18H20N2O3S
- 4-Acetylphenyl 4-methyl-6-(methylsulfanyl)-2-(propan-2-yl)pyrimidine-5-carboxylate1208930-74-8C18H20N2O3S
- N-{4-[(2-Oxopyrrolidin-1-yl)methyl]benzyl}benzenesulfonamide1309109-37-2C18H20N2O3S
- 3-{[(5-Methyl-2-phenyl-1,3-oxazol-4-yl)methyl](prop-2-yn-1-yl)amino}-1lambda6-thiolane-1,1-dione1281078-16-7C18H20N2O3S
- (E)-N-(4-(3-(4-(Dimethylamino)phenyl)acryloyl)phenyl)methanesulfonamide1396891-84-1C18H20N2O3S
- (E)-2-((1-(Styrylsulfonyl)piperidin-4-yl)oxy)pyridine1448139-02-3C18H20N2O3S
- (2-Phenylthiazol-4-yl)(1,5-dioxa-9-azaspiro[5.5]undecan-9-yl)methanone1797872-84-4C18H20N2O3S
- N-[(2,3-Dihydro-1,4-benzodioxin-2-yl)methyl]-N-ethyl-2-(methylsulfanyl)pyridine-3-carboxamide1424610-07-0C18H20N2O3S
- N-Cyano-3-ethyl-N-[(4-methanesulfonyl-3-methoxyphenyl)methyl]aniline1797191-82-2C18H20N2O3S
- Methyl 2-((1-(4-(1H-pyrrol-1-yl)benzoyl)pyrrolidin-3-yl)thio)acetate2034527-73-4C18H20N2O3S
- N-(2-(7-(Furan-2-yl)-1,4-thiazepan-4-yl)-2-oxoethyl)benzamide1706093-57-3C18H20N2O3S
- 1-Cyclopropyl-6-methyl-4-((1-(4-methylthiophene-2-carbonyl)azetidin-3-yl)oxy)pyridin-2(1H)-one2034427-19-3C18H20N2O3S
- 1-Cyclopropyl-6-methyl-4-((1-(2-(thiophen-3-yl)acetyl)azetidin-3-yl)oxy)pyridin-2(1H)-one2034238-49-6C18H20N2O3S
- N-(4-(Methylthio)phenyl)-6-((tetrahydro-2H-pyran-4-yl)oxy)nicotinamide2034294-97-6C18H20N2O3S
- N-(2-Hydroxy-2-(1-methyl-1H-indol-5-yl)ethyl)-3-methylbenzenesulfonamide2034595-91-8C18H20N2O3S
- 2,2-Dimethyl-5-oxo-N-[2-(4-phenyl-1,3-thiazol-2-yl)ethyl]tetrahydrofuran-3-carboxamide1676025-89-0C18H20N2O3S
- N-(3-(Methylthio)phenyl)-2-((tetrahydro-2H-pyran-4-yl)oxy)isonicotinamide2034447-55-5C18H20N2O3S
- (E)-2-Methyl-6-((1-(styrylsulfonyl)pyrrolidin-3-yl)oxy)pyridine1904616-62-1C18H20N2O3S
- (E)-N-(4-(3-Methoxyazetidin-1-yl)phenyl)-2-phenylethenesulfonamide2034997-81-2C18H20N2O3S
- N-(2-(Methylthio)phenyl)-6-((tetrahydrofuran-2-yl)methoxy)nicotinamide2034272-91-6C18H20N2O3S
- (1,1-Dioxido-7-phenyl-1,4-thiazepan-4-yl)(2-methylpyridin-3-yl)methanone2034335-52-7C18H20N2O3S
- (1R,5S)-8-(Phenylsulfonyl)-3-(pyridin-4-yloxy)-8-azabicyclo[3.2.1]octane2109252-97-1C18H20N2O3S
- 4-(4-((4-Cyclopropylidenepiperidin-1-yl)sulfonyl)phenyl)-2-methyloxazole2097921-84-9C18H20N2O3S
- N-{4-[4-(Thiophen-3-yloxy)piperidine-1-carbonyl]phenyl}acetamide2034302-62-8C18H20N2O3S
- 3-(3,5-Dimethylisoxazol-4-yl)-N-(2-(furan-2-yl)-2-(thiophen-3-yl)ethyl)propanamide2097924-21-3C18H20N2O3S
- N'-Phenyl-N-{[4-(thiophen-3-yl)oxan-4-yl]methyl}ethanediamide2309341-77-1C18H20N2O3S
- 2-[2-[2-(4-Methyl-1,3-thiazol-2-yl)piperidin-1-yl]-2-oxoethoxy]benzaldehyde2224215-17-0C18H20N2O3S
- 2-Methanesulfonyl-5-[3-(4-methylphenyl)pyrrolidine-1-carbonyl]pyridine2261243-92-7C18H20N2O3S
- N-[(3,5-Dimethylphenyl)carbamothioyl]-3,5-dimethoxybenzamide431985-01-2C18H20N2O3S
- N-[(2,4-Dimethylphenyl)carbamothioyl]-3,5-dimethoxybenzamide429655-32-3C18H20N2O3S
- N-[(3-Methoxyphenyl)carbamothioyl]-4-propoxybenzamide6474-97-1C18H20N2O3S
- N-[4-(3,4-Dihydro-1H-isoquinoline-2-carbonyl)phenyl]ethanesulfonamide839688-77-6C18H20N2O3S
- 1-(Benzenesulfonyl)-4-phenyl-3-propylimidazolidin-2-one146579-97-7C18H20N2O3S
- N-(2-Oxo-1-propyl-1,2,3,4-tetrahydroquinolin-6-yl)benzenesulfonamide941906-27-0C18H20N2O3S
- N-(2-Acetyl-1,2,3,4-tetrahydroisoquinolin-7-yl)-1-phenylmethanesulfonamide955674-09-6C18H20N2O3S
- N-[3-(2,3-Dihydro-1H-indol-1-yl)-3-oxopropyl]-4-methylbenzenesulfonamide909521-28-4C18H20N2O3S
- 4-(2-Phenylethenesulfonamido)-N-(propan-2-yl)benzamide941043-99-8C18H20N2O3S
- N-(4-Methylphenyl)-3-(2-phenylethenesulfonamido)propanamide949217-92-9C18H20N2O3S
- N-{2-Methyl-5-[(2-methyl-2,3-dihydro-1H-indol-1-yl)carbonyl]phenyl}methanesulfonamide932206-36-5C18H20N2O3S
- N-Methyl-4-[(methylsulfonyl)(prop-2-en-1-yl)amino]-N-phenylbenzamide928890-96-4C18H20N2O3S
- N-[3-(3,4-Dihydroquinolin-1(2H)-ylcarbonyl)-2-methylphenyl]methanesulfonamide928936-80-5C18H20N2O3S
- N-[3-(3,4-Dihydroisoquinolin-2(1H)-ylcarbonyl)-2-methylphenyl]methanesulfonamide928967-63-9C18H20N2O3S
- 3-(1,3-Dioxo-3a,4,7,7a-tetrahydroisoindol-2-yl)-N-(2-methylsulfanylphenyl)propanamide948543-81-5C18H20N2O3S
- Ethyl 2-amino-6-(2-oxo-2-phenylethyl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate914202-64-5C18H20N2O3S
- N-(2-Methylphenyl)-3-(2-phenylethenesulfonamido)propanamide1011440-04-2C18H20N2O3S
- N-Methyl-N-phenyl-3-(pyrrolidin-1-ylcarbonyl)benzenesulfonamide1190574-32-3C18H20N2O3S
- 3-(Cyclopropylsulfamoyl)-N-(2,3-dimethylphenyl)benzamide1018069-82-3C18H20N2O3S
- 2-Methyl-1-[(3-methyl-4-propoxyphenyl)sulfonyl]-1H-benzimidazole914245-97-9C18H20N2O3S
- 1-(2-Methoxy-4,5-dimethylbenzenesulfonyl)-5,6-dimethyl-1H-1,3-benzodiazole1163729-85-8C18H20N2O3S
- 2-Pyrrolidinecarboxamide, 1-[(4-methylphenyl)sulfonyl]-N-phenyl-, (S)-73096-29-4C18H20N2O3S
- N-[3-(2-Oxopiperidin-1-yl)phenyl]-1-phenylmethanesulfonamide1208535-46-9C18H20N2O3S
- 3-(N-[(E)-2-(4-Methylphenyl)ethenyl]sulfonylanilino)propanamide1223875-82-8C18H20N2O3S
- 4-[[Methyl-[(E)-2-(4-methylphenyl)ethenyl]sulfonylamino]methyl]benzamide1241689-50-8C18H20N2O3S
- N-Ethyl-4-[(2-phenylethenesulfonamido)methyl]benzamide1241698-86-1C18H20N2O3S
- N-[3-(2,3-Dihydro-1H-indol-1-ylcarbonyl)-2-methylphenyl]-N-methylmethanesulfonamide1269027-97-5C18H20N2O3S
- 2-[2-(4-Methylphenyl)ethenesulfonamido]-2-phenylpropanamide1252557-61-1C18H20N2O3S
- N,N,4-trimethyl-3-[[(E)-2-phenylethenyl]sulfonylamino]benzamide1281684-81-8C18H20N2O3S
- N-[4-Methyl-3-(2-phenylethenesulfonamido)phenyl]propanamide1281689-27-7C18H20N2O3S
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 N-(5-(1,1-Dioxidoisothiazolidin-2-yl)-2-methylphenyl)-2-methylbenzamide, N-(5-(1,1-Dioxidoisothiazolidin-2-yl)-2-methylphenyl)-3-methylbenzamide, N-(5-(1,1-Dioxidoisothiazolidin-2-yl)-2-methylphenyl)-4-methylbenzamide. 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.