Molecular formula
C20H21NO3S
112 compounds have this formula on CompoundList.
- Molar mass
- 355.45g/mol
- Monoisotopic mass
- 355.1242Da
- Atoms
- 46
- Elements
- 5
- Rings plus double bonds
- 11
The formula C20H21NO3S describes a molecule made of 20 carbon atoms, 21 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 × 2067.58%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 215.96%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 13.94%14.007 × 1 = 14.007 g/mol
- O Oxygen × 313.50%15.999 × 3 = 47.997 g/mol
- S Sulfur × 19.02%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C20H21NO3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 112 compounds
Benzo(b)thiophene-3-carboxylic acid, 4,5,6,7-tetrahydro-2-((1-oxo-3-phenyl-2-propenyl)amino)-,ethyl ester
CAS 76981-77-6C20H21NO3S
![N-[3-(2-Furanyl)-3-phenylpropyl]-4-methylbenzenesulfonamide chemical structure, C20H21NO3S, CAS 378771-13-2](/s/JAOSEIAJTQKXPZ-UHFFFAOYSA-N.svg)
N-[3-(2-Furanyl)-3-phenylpropyl]-4-methylbenzenesulfonamide
CAS 378771-13-2C20H21NO3S
5-((4-(2-Methyl-2-phenylpropoxy)phenyl)methyl)-2,4-thiazolidinedione
CAS 74772-68-2C20H21NO3S
1-Butyl-6-methyl-3-(phenylsulfonyl)quinolin-4(1H)-one
CAS 899217-47-1C20H21NO3S
3-(Benzenesulfonyl)-6-ethyl-1-propyl-1,4-dihydroquinolin-4-one
CAS 899214-37-0C20H21NO3S
3-((4-Ethylphenyl)sulfonyl)-1-propylquinolin-4(1H)-one
CAS 899214-27-8C20H21NO3S
![2,5-Dimethyl-N-(6,7,8,9-tetrahydrodibenzo[b,d]furan-2-yl)benzenesulfonamide chemical structure, C20H21NO3S, CAS 518320-79-1](/s/RSOXIMBRQNJFRP-UHFFFAOYSA-N.svg)
2,5-Dimethyl-N-(6,7,8,9-tetrahydrodibenzo[b,d]furan-2-yl)benzenesulfonamide
CAS 518320-79-1C20H21NO3S
![4-[6-[4-Methoxyphenyl]spiro[2.4]hept-5-en-5-yl]benzenesulfonamide chemical structure, C20H21NO3S, CAS 169153-64-4](/s/ZSRPJFBRCNQTJM-UHFFFAOYSA-N.svg)
4-[6-[4-Methoxyphenyl]spiro[2.4]hept-5-en-5-yl]benzenesulfonamide
CAS 169153-64-4C20H21NO3S
4-tert-Butyl-N-(4-hydroxynaphthalen-1-yl)benzenesulfonamide
CAS 301315-29-7C20H21NO3S
N-(Furan-2-ylmethyl)-3-(4-methoxyphenyl)-N-(thiophen-3-ylmethyl)propanamide
CAS 1219901-40-2C20H21NO3S
![1'-(4-Methoxyphenyl)sulfonylspiro[indene-1,4'-piperidine] chemical structure, C20H21NO3S, CAS 137419-02-4](/s/JPOGVRJMRKHDAG-UHFFFAOYSA-N.svg)
1'-(4-Methoxyphenyl)sulfonylspiro[indene-1,4'-piperidine]
CAS 137419-02-4C20H21NO3S
![5-(2-Cyclopropyl-2-oxo-1-phenylethyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl acetate chemical structure, C20H21NO3S, CAS 1391194-45-8](/s/OPKDRZXNRYIANV-UHFFFAOYSA-N.svg)
5-(2-Cyclopropyl-2-oxo-1-phenylethyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl acetate
CAS 1391194-45-8C20H21NO3S
![9H-Fluoren-9-ylmethyl N-[(2S)-4-(methylsulfanyl)-1-oxobutan-2-yl]carbamate chemical structure, C20H21NO3S, CAS 211929-83-8](/s/XCABZTKGNAMBJK-AWEZNQCLSA-N.svg)
9H-Fluoren-9-ylmethyl N-[(2S)-4-(methylsulfanyl)-1-oxobutan-2-yl]carbamate
CAS 211929-83-8C20H21NO3S
![Acetaldehyde, 2-[1-ethyl-1,3-dihydro-3,3-dimethyl-5-(phenylsulfonyl)-2H-indol-2-ylidene]- chemical structure, C20H21NO3S, CAS 55203-66-2](/s/LJIRAJMFCLSDGJ-UHFFFAOYSA-N.svg)
Acetaldehyde, 2-[1-ethyl-1,3-dihydro-3,3-dimethyl-5-(phenylsulfonyl)-2H-indol-2-ylidene]-
CAS 55203-66-2C20H21NO3S
4-Ethoxy-N-phenethylnaphthalene-1-sulfonamide
CAS 333311-14-1C20H21NO3S
2,3,4,9-Tetrahydro-1H-carbazol-3-ylmethyl 4-methylbenzenesulfonate
CAS 40496-57-9C20H21NO3S
![4-Methyl-N-(8-methyl-6,7,8,9-tetrahydrodibenzo[b,d]furan-2-yl)benzenesulfonamide chemical structure, C20H21NO3S, CAS 301315-57-1](/s/BRLZBGQUBOCPAA-UHFFFAOYSA-N.svg)
4-Methyl-N-(8-methyl-6,7,8,9-tetrahydrodibenzo[b,d]furan-2-yl)benzenesulfonamide
CAS 301315-57-1C20H21NO3S
![4-Ethyl-N-(6,7,8,9-tetrahydrodibenzo[b,d]furan-2-yl)benzenesulfonamide chemical structure, C20H21NO3S, CAS 406474-60-0](/s/UDRAZHNCAWLSQT-UHFFFAOYSA-N.svg)
4-Ethyl-N-(6,7,8,9-tetrahydrodibenzo[b,d]furan-2-yl)benzenesulfonamide
CAS 406474-60-0C20H21NO3S
![Methyl 2-[(2-phenylcyclopropanecarbonyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate chemical structure, C20H21NO3S, CAS 352705-65-8](/s/QCMLNZDHFKHCCA-UHFFFAOYSA-N.svg)
Methyl 2-[(2-phenylcyclopropanecarbonyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
CAS 352705-65-8C20H21NO3S
N-(3,4-Dimethylphenyl)-N-(1,1-dioxido-2,3-dihydro-3-thiophenyl)-2-methylbenzamide
CAS 863021-71-0C20H21NO3S
(Z)-6-Hydroxy-7-((2-methylpiperidin-1-yl)methyl)-2-(thiophen-2-ylmethylene)benzofuran-3(2H)-one
CAS 896597-51-6C20H21NO3S
(Z)-6-Hydroxy-7-((3-methylpiperidin-1-yl)methyl)-2-(thiophen-2-ylmethylene)benzofuran-3(2H)-one
CAS 896806-53-4C20H21NO3S
N-(3,5-Dimethylphenyl)-N-(1,1-dioxido-2,3-dihydrothiophen-3-yl)-2-methylbenzamide
CAS 863445-93-6C20H21NO3S
N-(3,5-Dimethylphenyl)-N-(1,1-dioxido-2,3-dihydrothien-3-yl)-3-methylbenzamide
CAS 863445-94-7C20H21NO3S
- N-(3,5-Dimethylphenyl)-N-(1,1-dioxido-2,3-dihydrothien-3-yl)-4-methylbenzamide863445-95-8C20H21NO3S
- 2,4-Dimethyl-N-(6,7,8,9-tetrahydrodibenzofuran-2-yl)benzenesulfonamide406474-57-5C20H21NO3S
- (Z)-7-(Azepan-1-ylmethyl)-6-hydroxy-2-(thiophen-2-ylmethylene)benzofuran-3(2H)-one899412-98-7C20H21NO3S
- (Z)-6-Hydroxy-2-((3-methylthiophen-2-yl)methylene)-7-(piperidin-1-ylmethyl)benzofuran-3(2H)-one899405-92-6C20H21NO3S
- (Z)-6-Hydroxy-7-((4-methylpiperidin-1-yl)methyl)-2-(thiophen-2-ylmethylene)benzofuran-3(2H)-one896072-87-0C20H21NO3S
- N-(3,5-Dimethylphenyl)-N-(1,1-dioxido-2,3-dihydrothien-3-yl)-2-phenylacetamide863445-89-0C20H21NO3S
- N-(1,1-Dioxido-2,3-dihydrothien-3-yl)-3,4-dimethyl-N-(4-methylphenyl)benzamide852438-39-2C20H21NO3S
- N-(3,4-Dimethylphenyl)-N-(1,1-dioxido-2,3-dihydrothien-3-yl)-3-methylbenzamide863021-72-1C20H21NO3S
- N-(1,1-Dioxido-2,3-dihydrothiophen-3-yl)-N-(2-ethylphenyl)-3-methylbenzamide863443-89-4C20H21NO3S
- 3-(1,3-Benzodioxol-5-yl)-N-{2-[(4-methylbenzyl)sulfanyl]ethyl}acrylamide6446-23-7C20H21NO3S
- 4-Ethoxy-N-(1-phenylethyl)naphthalene-1-sulfonamide333311-15-2C20H21NO3S
- Methyl 2-cinnamamido-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate302576-84-7C20H21NO3S
- 2-(6,7-Dihydro-5H-indeno[5,6-b]furan-3-yl)-N-(2-((furan-2-ylmethyl)thio)ethyl)acetamide869867-40-3C20H21NO3S
- N-(1,1-Dioxido-2,3-dihydrothiophen-3-yl)-3,5-dimethyl-N-(p-tolyl)benzamide863008-29-1C20H21NO3S
- N-(Furan-2-ylmethyl)-4-isopropoxy-N-(thiophen-3-ylmethyl)benzamide1219841-80-1C20H21NO3S
- N-(3-Hydroxy-3-(naphthalen-1-yl)propyl)-1-phenylmethanesulfonamide1421527-84-5C20H21NO3S
- Benzofuran-2-yl(4-(((furan-2-ylmethyl)thio)methyl)piperidin-1-yl)methanone1396864-34-8C20H21NO3S
- N-(4-(2-Methoxyphenoxy)but-2-yn-1-yl)-3-(phenylthio)propanamide1421500-65-3C20H21NO3S
- 3-[(4-tert-Butylphenyl)sulfonyl]-6-methylquinolin-4(1H)-one872199-92-3C20H21NO3S
- N-Benzyl-N-ethyl-4-methoxynaphthalene-1-sulfonamide873671-42-2C20H21NO3S
- 1-[4-(Methylthio)benzyl]-5-methoxy-2-methyl-3-indoleacetic acid3446-67-1C20H21NO3S
- N-Benzyl-4-propoxynaphthalene-1-sulfonamide902249-22-3C20H21NO3S
- N-(1,1-Dioxido-2,3-dihydrothiophen-3-yl)-2-(m-tolyl)-N-(p-tolyl)acetamide863008-31-5C20H21NO3S
- N-(1,1-Dioxido-2,3-dihydrothiophen-3-yl)-3-phenyl-N-(p-tolyl)propanamide863008-32-6C20H21NO3S
- N-(1,1-Dioxido-2,3-dihydrothiophen-3-yl)-N-(2-ethylphenyl)-4-methylbenzamide863443-91-8C20H21NO3S
- N-(3,4-Dimethylphenyl)-N-(1,1-dioxido-2,3-dihydrothiophen-3-yl)-2-phenylacetamide863021-67-4C20H21NO3S
- N-(2-Hydroxy-2-(naphthalen-1-yl)ethyl)-2-phenylethanesulfonamide1351582-24-5C20H21NO3S
- N-(Furan-3-ylmethyl)-3-(4-methoxyphenyl)-N-(thiophen-2-ylmethyl)propanamide1428352-77-5C20H21NO3S
- 3-[[Bis(2-hydroxyethyl)amino]methyl]-2-phenylthiochromen-4-one93367-41-0C20H21NO3S
- (E)-3-(1,3-Benzodioxol-5-yl)-N-[2-[(2-methylphenyl)methylsulfanyl]ethyl]prop-2-enamide473639-45-1C20H21NO3S
- N-(4-Methylphenyl)-4-propoxynaphthalene-1-sulfonamide873673-16-6C20H21NO3S
- 4-Ethoxy-N-[(4-methylphenyl)methyl]naphthalene-1-sulfonamide929431-81-2C20H21NO3S
- 6-Ethyl-3-(4-ethylbenzenesulfonyl)-1-methyl-1,4-dihydroquinolin-4-one899214-32-5C20H21NO3S
- 1-Ethyl-3-(4-ethylbenzenesulfonyl)-6-methyl-1,4-dihydroquinolin-4-one899213-95-7C20H21NO3S
- 1,6-Diethyl-3-tosylquinolin-4(1H)-one899213-99-1C20H21NO3S
- 6-Methyl-1-propyl-3-tosylquinolin-4(1H)-one899214-31-4C20H21NO3S
- 2-(Benzylsulfanyl)-N-[4-(2-methoxyphenoxy)but-2-YN-1-yl]acetamide1421506-43-5C20H21NO3S
- 4-Ethoxy-N-(furan-3-ylmethyl)-N-(2-(thiophen-2-yl)ethyl)benzamide1421505-09-0C20H21NO3S
- N-(Furan-3-ylmethyl)-2-phenoxy-N-(2-(thiophen-2-yl)ethyl)propanamide1421499-05-9C20H21NO3S
- N-[(3-Methoxythiolan-3-yl)methyl]-9H-xanthene-9-carboxamide1448074-60-9C20H21NO3S
- (S)-(9H-Fluoren-9-yl)methyl (4-(methylthio)-1-oxobutan-2-yl)carbamate1823826-77-2C20H21NO3S
- 2-Methyl-8-quinolyl 4-(tert-butyl)benzenesulfonate693253-43-9C20H21NO3S
- 2-Pyrrolidinone, 3-((3-ethoxy-4-hydroxy-5-((phenylthio)methyl)phenyl)methylene)-107788-14-7C20H21NO3S
- 2-Pyrrolidinone, 3-((4-hydroxy-3-methoxy-5-(((4-methylphenyl)thio)methyl)phenyl)methylene)-107788-15-8C20H21NO3S
- Fmoc-(S)-2-amino-3-methylbutanethioic S-acid139448-91-2C20H21NO3S
- 2-Ethoxy-N-(furan-2-ylmethyl)-N-[(3-methylthiophen-2-yl)methyl]benzamide898507-57-8C20H21NO3S
- 2-(2,6-Dimethylphenoxy)-N-(furan-2-ylmethyl)-N-(thiophen-2-ylmethyl)acetamide898507-88-5C20H21NO3S
- 2-(3,5-Dimethylphenoxy)-N-(furan-2-ylmethyl)-N-(thiophen-2-ylmethyl)acetamide898477-29-7C20H21NO3S
- 2-(3,4-Dimethylphenoxy)-N-(furan-2-ylmethyl)-N-(thiophen-2-ylmethyl)acetamide898477-38-8C20H21NO3S
- N-(Furan-2-ylmethyl)-2-(3-methylphenoxy)-N-[(3-methylthiophen-2-yl)methyl]acetamide898486-84-5C20H21NO3S
- 2-(4-Ethylphenoxy)-N-(furan-2-ylmethyl)-N-(thiophen-2-ylmethyl)acetamide898486-92-5C20H21NO3S
- N-(Furan-2-ylmethyl)-2-(4-methylphenoxy)-N-[(3-methylthiophen-2-yl)methyl]acetamide898599-51-4C20H21NO3S
- N-(Furan-2-ylmethyl)-4-propoxy-N-(thiophen-2-ylmethyl)benzamide898470-96-7C20H21NO3S
- 1-Butyl-3-(4-methylbenzenesulfonyl)-1,4-dihydroquinolin-4-one899217-42-6C20H21NO3S
- N-(Furan-2-ylmethyl)-N-(2-(thiophen-2-yl)ethyl)-2-(o-tolyloxy)acetamide1396806-43-1C20H21NO3S
- 2-Ethoxy-N-(2-methoxy-2-(thiophen-3-yl)ethyl)-1-naphthamide1448058-49-8C20H21NO3S
- 2-(2-Methyl-4-phenylpyrrol-1-yl)ethyl 4-methylbenzenesulfonate1192719-01-9C20H21NO3S
- 1'-[3-(3-Methylthiophen-2-yl)propanoyl]-3H-spiro[2-benzofuran-1,4'-piperidine]-3-one1705199-08-1C20H21NO3S
- (1R,5S)-8-((4'-Methoxy-[1,1'-biphenyl]-4-yl)sulfonyl)-8-azabicyclo[3.2.1]oct-2-ene1706301-62-3C20H21NO3S
- [4-(Azepan-1-ylmethyl)-5-hydroxy-1-benzofuran-3-yl](thiophen-3-yl)methanone1676083-66-1C20H21NO3S
- N-(2-(Benzofuran-2-yl)-2-methoxyethyl)-2-(benzylthio)acetamide2034291-95-5C20H21NO3S
- N-({[2,2'-Bifuran]-5-yl}methyl)-2-[4-(propan-2-ylsulfanyl)phenyl]acetamide2034563-95-4C20H21NO3S
- N-(2-(5-(Furan-3-yl)thiophen-2-yl)ethyl)-3-(4-methoxyphenyl)propanamide2034595-90-7C20H21NO3S
- N-(2-Hydroxy-2-(5-(thiophen-3-yl)furan-2-yl)ethyl)-2-phenylbutanamide2034490-01-0C20H21NO3S
- N-[2,2-Bis(furan-2-yl)ethyl]-1-(thiophen-2-yl)cyclopentane-1-carboxamide2309605-89-6C20H21NO3S
- 2-Naphthalenesulfonic acid, 6-[[4-(1,1-dimethylethyl)phenyl]amino]-123289-89-4C20H21NO3S
- 5-Isopropyl-7-methyl-1-tosyl-1H-indole-4-carbaldehyde1481633-57-1C20H21NO3S
- N-(2-Hydroxy-3-(4-methoxyphenyl)-2-methylpropyl)benzo[b]thiophene-2-carboxamide2034474-10-5C20H21NO3S
- N-(1-(Benzo[b]thiophen-3-yl)propan-2-yl)-2-(2-methoxyphenoxy)acetamide2034317-00-3C20H21NO3S
- 2-Methoxy-N-(naphthalen-1-yl)-5-(propan-2-yl)benzene-1-sulfonamide2215230-38-7C20H21NO3S
- 4-Ethoxy-2,5-dimethyl-N-(naphthalen-1-yl)benzene-1-sulfonamide2361895-09-0C20H21NO3S
- 4-{3-[(4-Acetylphenyl)thio]phenyl}tetrahydro-2H-pyran-4-carboxamide1159186-37-4C20H21NO3S
- 7-Methyl-5-propyl-1-tosyl-1H-indole-4-carbaldehyde1481633-58-2C20H21NO3S
- Methyl 2-(7-phenyl-1,4-thiazepane-4-carbonyl)benzoate1797562-18-5C20H21NO3S
- N-{[4-(Furan-3-yl)thiophen-2-yl]methyl}-2-[4-(propan-2-yl)phenoxy]acetamide2379978-62-6C20H21NO3S
- 2-(2,3-Dihydro-1-benzofuran-5-sulfonyl)-6-phenyl-2-azaspiro[3.3]heptane2380034-70-6C20H21NO3S
Frequently asked questions
What is the molar mass of C20H21NO3S?
The molar mass of C20H21NO3S is 355.45 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 355.1242 Da.
How many compounds have the formula C20H21NO3S?
CompoundList lists 112 compounds with the molecular formula C20H21NO3S, including Benzo(b)thiophene-3-carboxylic acid, 4,5,6,7-tetrahydro-2-((1-oxo-3-phenyl-2-propenyl)amino)-,ethyl ester, N-[3-(2-Furanyl)-3-phenylpropyl]-4-methylbenzenesulfonamide, 5-((4-(2-Methyl-2-phenylpropoxy)phenyl)methyl)-2,4-thiazolidinedione. 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 C20H21NO3S?
C20H21NO3S 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.