Molecular formula
C21H20N2O4S
199 compounds have this formula on CompoundList.
- Molar mass
- 396.46g/mol
- Monoisotopic mass
- 396.1144Da
- Atoms
- 48
- Elements
- 5
- Rings plus double bonds
- 13
The formula C21H20N2O4S describes a molecule made of 21 carbon atoms, 20 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 × 2163.62%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 205.08%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 27.07%14.007 × 2 = 28.014 g/mol
- O Oxygen × 416.14%15.999 × 4 = 63.996 g/mol
- S Sulfur × 18.09%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H20N2O4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 199 compounds
![Methyl 3-[(4-ethoxyphenyl)carbamoylamino]-5-phenylthiophene-2-carboxylate chemical structure, C21H20N2O4S, CAS 477326-74-2](/s/BELYIAIWSJNETA-UHFFFAOYSA-N.svg)
Methyl 3-[(4-ethoxyphenyl)carbamoylamino]-5-phenylthiophene-2-carboxylate
CAS 477326-74-2C21H20N2O4S
![N-(Furan-2-ylmethyl)-3-[(2-methyl-2,3-dihydroindol-1-yl)sulfonyl]benzamide chemical structure, C21H20N2O4S, CAS 848858-41-3](/s/BWNHBTKXSAFZQM-UHFFFAOYSA-N.svg)
N-(Furan-2-ylmethyl)-3-[(2-methyl-2,3-dihydroindol-1-yl)sulfonyl]benzamide
CAS 848858-41-3C21H20N2O4S
![Diethyl 2-({[4-(2-naphthyl)-1,3-thiazol-2-yl]amino}methylene)malonate chemical structure, C21H20N2O4S, CAS 478258-62-7](/s/BJZGBLSCAUCXPW-UHFFFAOYSA-N.svg)
Diethyl 2-({[4-(2-naphthyl)-1,3-thiazol-2-yl]amino}methylene)malonate
CAS 478258-62-7C21H20N2O4S
![N-[4-[(4-Phenylmethoxyphenyl)sulfamoyl]phenyl]acetamide chemical structure, C21H20N2O4S, CAS 330468-79-6](/s/CSAWJPITHCZJKT-UHFFFAOYSA-N.svg)
N-[4-[(4-Phenylmethoxyphenyl)sulfamoyl]phenyl]acetamide
CAS 330468-79-6C21H20N2O4S
![N-[4-[Methyl(phenyl)sulfamoyl]phenyl]-2-phenoxyacetamide chemical structure, C21H20N2O4S, CAS 714278-74-7](/s/SPUSRIPEAAUNRC-UHFFFAOYSA-N.svg)
N-[4-[Methyl(phenyl)sulfamoyl]phenyl]-2-phenoxyacetamide
CAS 714278-74-7C21H20N2O4S
6-(2-Acetylphenoxy)-N-ethyl-N-phenylpyridine-3-sulfonamide
CAS 746614-68-6C21H20N2O4S
![1-(3,4-Dimethoxyphenyl)-2-{[4-(4-methoxyphenyl)pyrimidin-2-yl]sulfanyl}ethan-1-one chemical structure, C21H20N2O4S, CAS 710289-17-1](/s/VFIBTMUVKWGMED-UHFFFAOYSA-N.svg)
1-(3,4-Dimethoxyphenyl)-2-{[4-(4-methoxyphenyl)pyrimidin-2-yl]sulfanyl}ethan-1-one
CAS 710289-17-1C21H20N2O4S
3,4,5-Trimethoxy-N-(naphthalen-2-ylcarbamothioyl)benzamide
CAS 74822-81-4C21H20N2O4S
1-(1-Benzofuran-2-carbonyl)-4-(2-phenylethenesulfonyl)piperazine
CAS 958976-57-3C21H20N2O4S
![N-[1-(4-Methoxyphenyl)-5-oxopyrrolidin-3-yl]naphthalene-2-sulfonamide chemical structure, C21H20N2O4S, CAS 896311-17-4](/s/IOWUDJQOZKRGON-UHFFFAOYSA-N.svg)
N-[1-(4-Methoxyphenyl)-5-oxopyrrolidin-3-yl]naphthalene-2-sulfonamide
CAS 896311-17-4C21H20N2O4S
![4-Methoxy-N-[4-[methyl(phenyl)sulfamoyl]phenyl]benzamide chemical structure, C21H20N2O4S, CAS 714278-78-1](/s/OXLVZIYIWIJQNI-UHFFFAOYSA-N.svg)
4-Methoxy-N-[4-[methyl(phenyl)sulfamoyl]phenyl]benzamide
CAS 714278-78-1C21H20N2O4S
![N-(2-Methoxyphenyl)-2-{[(4-methylphenyl)sulfonyl]amino}benzamide chemical structure, C21H20N2O4S, CAS 425630-11-1](/s/YTAUWHOKXGZPPI-UHFFFAOYSA-N.svg)
N-(2-Methoxyphenyl)-2-{[(4-methylphenyl)sulfonyl]amino}benzamide
CAS 425630-11-1C21H20N2O4S
![N-(Furan-2-ylmethyl)-3-[phenyl(prop-2-enyl)sulfamoyl]benzamide chemical structure, C21H20N2O4S, CAS 848858-25-3](/s/CPQMXKBNRDUPLH-UHFFFAOYSA-N.svg)
N-(Furan-2-ylmethyl)-3-[phenyl(prop-2-enyl)sulfamoyl]benzamide
CAS 848858-25-3C21H20N2O4S
3-(Benzylsulfamoyl)-4-methoxy-N-phenylbenzamide
CAS 5922-05-4C21H20N2O4S
(2R)-((4-Biphenylylsulfonyl)amino)-N-hydroxy-3-phenylpropionamide
CAS 193807-60-2C21H20N2O4S
![4-Methyl-N-[(3-phenoxybenzyl)carbamoyl]benzenesulfonamide chemical structure, C21H20N2O4S, CAS 372501-14-9](/s/IDTVGOICNYGMRU-UHFFFAOYSA-N.svg)
4-Methyl-N-[(3-phenoxybenzyl)carbamoyl]benzenesulfonamide
CAS 372501-14-9C21H20N2O4S
![Ethyl 5-ethyl-2-[(2-phenoxypyridine-3-carbonyl)amino]thiophene-3-carboxylate chemical structure, C21H20N2O4S, CAS 4740-25-4](/s/LHVSOUMPHYRHDR-UHFFFAOYSA-N.svg)
Ethyl 5-ethyl-2-[(2-phenoxypyridine-3-carbonyl)amino]thiophene-3-carboxylate
CAS 4740-25-4C21H20N2O4S
![N-[1-(3-Methoxyphenyl)-5-oxopyrrolidin-3-yl]naphthalene-2-sulfonamide chemical structure, C21H20N2O4S, CAS 896310-06-8](/s/HHARFHICPUVWOZ-UHFFFAOYSA-N.svg)
N-[1-(3-Methoxyphenyl)-5-oxopyrrolidin-3-yl]naphthalene-2-sulfonamide
CAS 896310-06-8C21H20N2O4S
![N-[4-[[4-(4-Methylphenoxy)phenyl]sulfamoyl]phenyl]acetamide chemical structure, C21H20N2O4S, CAS 524739-54-6](/s/DAXQMIOUFDEJGR-UHFFFAOYSA-N.svg)
N-[4-[[4-(4-Methylphenoxy)phenyl]sulfamoyl]phenyl]acetamide
CAS 524739-54-6C21H20N2O4S
![2-[2-(3,4-Dimethoxyphenyl)acetamido]-5-phenylthiophene-3-carboxamide chemical structure, C21H20N2O4S, CAS 379250-00-7](/s/LQEOEIGJHUOJSY-UHFFFAOYSA-N.svg)
2-[2-(3,4-Dimethoxyphenyl)acetamido]-5-phenylthiophene-3-carboxamide
CAS 379250-00-7C21H20N2O4S
![N-[6-Methyl-3-(methylcarbamoyl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]-4-oxo-4H-chromene-2-carboxamide chemical structure, C21H20N2O4S, CAS 868965-52-0](/s/VBEJIUWFOBZIBN-UHFFFAOYSA-N.svg)
N-[6-Methyl-3-(methylcarbamoyl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]-4-oxo-4H-chromene-2-carboxamide
CAS 868965-52-0C21H20N2O4S
![Benzoic acid, 4-[[[[(3-methyl-2-benzofuranyl)carbonyl]amino]thioxomethyl]amino]-, 1-methylethyl ester (9CI) chemical structure, C21H20N2O4S, CAS 591213-39-7](/s/WXNDSNVRMOXMJV-UHFFFAOYSA-N.svg)
Benzoic acid, 4-[[[[(3-methyl-2-benzofuranyl)carbonyl]amino]thioxomethyl]amino]-, 1-methylethyl ester (9CI)
CAS 591213-39-7C21H20N2O4S
4-Oxo-6-((pyrimidin-2-ylthio)methyl)-4H-pyran-3-yl 4-(tert-butyl)benzoate
CAS 877635-40-0C21H20N2O4S
![2-(Benzo[d][1,3]dioxol-5-yl)-1-(4-(benzo[d]thiazol-2-yloxy)piperidin-1-yl)ethanone chemical structure, C21H20N2O4S, CAS 1286705-31-4](/s/SSCAHVYNHYYYBF-UHFFFAOYSA-N.svg)
2-(Benzo[d][1,3]dioxol-5-yl)-1-(4-(benzo[d]thiazol-2-yloxy)piperidin-1-yl)ethanone
CAS 1286705-31-4C21H20N2O4S
- (E)-Methyl 2-(2-cyano-3-(2-methoxyphenyl)acrylamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate464907-03-7C21H20N2O4S
- 3-Amino-2-(furan-2-carbonyl)-4-(4-isopropoxyphenyl)-4,5-dihydrothieno[2,3-b]pyridin-6(7H)-one897831-23-1C21H20N2O4S
- N-(2-Tosyl-1,2,3,4-tetrahydroisoquinolin-7-yl)furan-2-carboxamide954679-71-1C21H20N2O4S
- 6-((3,4-Dimethylphenyl)sulfonyl)-N-(4-methoxyphenyl)nicotinamide1040651-48-6C21H20N2O4S
- Methyl 2-(2-{[5-(3,4-dimethylphenyl)-1,3-oxazol-2-yl]sulfanyl}acetamido)benzoate1021228-78-3C21H20N2O4S
- N-(3,3-Dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)naphthalene-1-sulfonamide922133-56-0C21H20N2O4S
- N-(3,3-Dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)naphthalene-2-sulfonamide921998-74-5C21H20N2O4S
- 2-(Benzo[d][1,3]dioxol-5-yl)-N-(4-(4-propoxyphenyl)thiazol-2-yl)acetamide922013-34-1C21H20N2O4S
- 2-(Benzo[d][1,3]dioxol-5-yl)-N-(4-(4-ethoxyphenyl)-5-methylthiazol-2-yl)acetamide922066-32-8C21H20N2O4S
- 3-((2-(4-Ethoxyphenyl)-2-oxoethyl)thio)-1-(4-methoxyphenyl)pyrazin-2(1H)-one946369-66-0C21H20N2O4S
- N-(2-{[(3-Methoxy-6-oxocyclohexa-2,4-dien-1-ylidene)methyl]amino}phenyl)-4-methylbenzene-1-sulfonamide28856-97-5C21H20N2O4S
- 2,4(1H,3H)-Pyrimidinedione, 1-((2-hydroxyethoxy)methyl)-5-((1Z)-2-phenylethenyl)-6-(phenylthio)-131194-26-8C21H20N2O4S
- Diphenicillin304-43-8C21H20N2O4S
- Methyl 2-[2-(4-acetylbenzoyl)imino-5,7-dimethyl-1,3-benzothiazol-3-yl]acetate1321774-89-3C21H20N2O4S
- 2-{[(4-Methoxyphenyl)sulfonyl]anilino}-N-phenylacetamide339013-40-0C21H20N2O4S
- 4-Morpholin-4-ylsulfonyl-N-naphthalen-1-ylbenzamide313520-91-1C21H20N2O4S
- Ethyl 5-(4-methoxynaphthalen-1-yl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate347321-74-8C21H20N2O4S
- N-[3-[(4-Methoxyphenyl)carbamoyl]-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]furan-2-carboxamide329935-32-2C21H20N2O4S
- N-[3-[(4-Ethoxyphenyl)carbamoyl]-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl]furan-2-carboxamide309951-91-5C21H20N2O4S
- 4-Methyl-3-nitro-N-[1-(4-phenylphenyl)ethyl]benzenesulfonamide423729-88-8C21H20N2O4S
- N-(2,4-Dimethylphenyl)-2-[2,4-dioxo-3-(2-oxo-2-phenylethyl)-1,3-thiazolidin-5-yl]acetamide878990-18-2C21H20N2O4S
- N-(4,5-Dihydro-naphtho[1,2-d]thiazol-2-yl)-3,4,5-trimethoxy-benzamide361160-45-4C21H20N2O4S
- Ethyl 2-{[(biphenyl-4-yloxy)acetyl]amino}-4-methyl-1,3-thiazole-5-carboxylate433700-06-2C21H20N2O4S
- 2-[N-(Benzenesulfonyl)-2-methoxyanilino]-N-phenylacetamide4283-05-0C21H20N2O4S
- N-(4-Ethoxyphenyl)-1-ethyl-2-oxo-1,2-dihydrobenzo[cd]indole-6-sulfonamide438488-79-0C21H20N2O4S
- N-(5-Methoxy-2-methyl-4-((phenylsulphonyl)amino)phenyl)benzamide94232-02-7C21H20N2O4S
- (E)-N-(4-(N-Benzyl-N-methylsulfamoyl)phenyl)-3-(furan-2-yl)acrylamide497090-21-8C21H20N2O4S
- N-(4-Methoxyphenyl)-2-[(phenylsulfonyl)anilino]acetamide339103-43-4C21H20N2O4S
- Methyl 4-({(5Z)-5-[4-(dimethylamino)benzylidene]-2,4-dioxo-1,3-thiazolidin-3-yl}methyl)benzoate871480-71-6C21H20N2O4S
- [3-(2,3-Dihydro-1H-indol-1-yl)-1,1-dioxido-1-benzothiophen-2-yl](morpholin-4-yl)methanone938014-03-0C21H20N2O4S
- N-(2-Furylmethyl)-2-[(2-methoxybenzoyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide618078-55-0C21H20N2O4S
- 4-[Benzenesulfonyl(methyl)amino]-N-(4-methoxyphenyl)benzamide357310-29-3C21H20N2O4S
- Methyl 6-(4-benzoyloxyphenyl)-3,4-dimethyl-2-sulfanylidene-1,6-dihydropyrimidine-5-carboxylate367907-65-1C21H20N2O4S
- 2-Phenoxy-N-[2-(4-sulfamoylphenyl)ethyl]benzamide25059-96-5C21H20N2O4S
- N-[4-(Benzylsulfamoyl)phenyl]-2-phenoxyacetamide819060-81-6C21H20N2O4S
- (Z)-Ethyl 3,4-dimethyl-2-((3-phenoxybenzoyl)imino)-2,3-dihydrothiazole-5-carboxylate393838-91-0C21H20N2O4S
- 4-(Benzofuran-2-carbonyl)-1-(2-(dimethylamino)ethyl)-3-hydroxy-5-(thiophen-2-yl)-1H-pyrrol-2(5H)-one618365-04-1C21H20N2O4S
- Ethyl 2-(4-ethoxybenzamido)-4-phenylthiazole-5-carboxylate312605-10-0C21H20N2O4S
- N-[(E)-(4-Methoxy-3-phenylmethoxyphenyl)methylideneamino]benzenesulfonamide344943-42-6C21H20N2O4S
- (Z)-Ethyl 2-((3-carbamoyl-2H-chromen-2-ylidene)amino)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate255867-08-4C21H20N2O4S
- N-[4-[(4-Methoxyphenyl)sulfamoyl]phenyl]-3-methylbenzamide433688-10-9C21H20N2O4S
- 5-[(5-Acetyl-2-methoxyphenyl)methyl]-2-benzylsulfanyl-4-hydroxy-1H-pyrimidin-6-one364340-67-0C21H20N2O4S
- 2-(Benzenesulfonamido)-N-(4-phenoxyphenyl)propanamide1008063-41-9C21H20N2O4S
- Methyl 4-((4-(4-propoxyphenyl)thiazol-2-yl)carbamoyl)benzoate391876-96-3C21H20N2O4S
- 2-(2-Morpholinoethyl)-1-(thiophen-2-yl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione848766-30-3C21H20N2O4S
- N-(3-Carbamoyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-5,7-dimethyl-4-oxochromene-2-carboxamide898499-93-9C21H20N2O4S
- [6-[(4,6-Dimethylpyrimidin-2-yl)sulfanylmethyl]-4-oxopyran-3-yl] 3,5-dimethylbenzoate877635-36-4C21H20N2O4S
- 1-(4-Ethoxyphenyl)-3-((2-(4-methoxyphenyl)-2-oxoethyl)thio)pyrazin-2(1H)-one946238-38-6C21H20N2O4S
- (4-(Benzo[d]thiazol-2-yloxy)piperidin-1-yl)(2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methanone1251564-93-8C21H20N2O4S
- 6-Methyl-4-((1-(2-phenylthiazole-4-carbonyl)piperidin-4-yl)oxy)-2H-pyran-2-one1706006-74-7C21H20N2O4S
- 3,4,5-Trimethoxy-N-(naphthalen-1-ylcarbamothioyl)benzamide74822-80-3C21H20N2O4S
- Methyl 4-{[5-(2-ethoxybenzylidene)-3-methyl-4-oxo-1,3-thiazolidin-2-ylidene]amino}benzoate443874-82-6C21H20N2O4S
- 2-(Benzenesulfonamido)-N-(2-ethoxyphenyl)benzamide713087-64-0C21H20N2O4S
- 2-(4-Methylphenoxy)-N-[4-(phenylsulfamoyl)phenyl]acetamide651296-12-7C21H20N2O4S
- 2-[(5-Acetyl-2-methoxyphenyl)methylsulfanyl]-5-benzyl-4-hydroxy-1H-pyrimidin-6-one512795-73-2C21H20N2O4S
- 2-[Benzenesulfonyl(methyl)amino]-N-(4-phenoxyphenyl)acetamide693232-28-9C21H20N2O4S
- (E)-Methyl 2-(2-cyano-3-(3-methoxyphenyl)acrylamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate868154-62-5C21H20N2O4S
- N-[4-(Ethylsulfamoyl)phenyl]-2-phenoxybenzamide827617-70-9C21H20N2O4S
- 2-(Benzylsulfonylamino)-N-(4-methoxyphenyl)benzamide827617-12-9C21H20N2O4S
- N-[4-(Benzylsulfamoyl)phenyl]-4-methoxybenzamide817635-33-9C21H20N2O4S
- N-[4-(Benzylsulfamoyl)phenyl]-2-methoxybenzamide817635-67-9C21H20N2O4S
- Ethyl 4-(4-benzoyloxyphenyl)-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxylate306957-95-9C21H20N2O4S
- Ethyl 3-[(4-methoxyphenyl)carbamoylamino]-5-phenylthiophene-2-carboxylate391866-81-2C21H20N2O4S
- 6-Methyl-N-[3-(methylcarbamoyl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]-4-oxo-4H-chromene-2-carboxamide866246-56-2C21H20N2O4S
- N-[3-(Methylcarbamoyl)-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl]-4-oxochromene-2-carboxamide868965-80-4C21H20N2O4S
- [6-[(4,6-Dimethylpyrimidin-2-yl)sulfanylmethyl]-4-oxopyran-3-yl] 3,4-dimethylbenzoate877635-39-7C21H20N2O4S
- 6-(((4,6-Dimethylpyrimidin-2-yl)thio)methyl)-4-oxo-4H-pyran-3-yl 2-(m-tolyl)acetate877637-48-4C21H20N2O4S
- N-[1-(Furan-2-carbonyl)-3,4-dihydro-2H-quinolin-6-yl]-4-methylbenzenesulfonamide946246-80-6C21H20N2O4S
- 1-Phenyl-2-[6-(3,4,5-trimethoxyphenyl)pyridazin-3-yl]sulfanylethanone941973-78-0C21H20N2O4S
- 2-[(3,5-Dimethoxybenzoyl)amino]-5-methyl-4-phenyl-3-thiophenecarboxamide444934-94-5C21H20N2O4S
- N-(4,5-Dimethyl-1,3-thiazol-2-yl)-2-(3,5,9-trimethyl-7-oxo-7H-furo[3,2-g]chromen-6-yl)acetamide1219567-94-8C21H20N2O4S
- 1-((5-Benzoylthiophen-2-yl)methyl)-3-(2,3-dimethoxyphenyl)urea1797963-33-7C21H20N2O4S
- (3-((4-Methoxyphenyl)sulfonyl)azetidin-1-yl)(2-methylquinolin-8-yl)methanone1797631-20-9C21H20N2O4S
- 2-(Benzo[d][1,3]dioxol-5-yloxy)-N-((4-methyl-2-(o-tolyl)thiazol-5-yl)methyl)acetamide1705460-16-7C21H20N2O4S
- Methanesulfonic acid--N-(2-methoxyphenyl)acridin-9(10H)-imine (1/1)75775-78-9C21H20N2O4S
- 4-Methyl-N-(4-nitrobenzyl)-N-(p-tolyl)benzenesulfonamide332156-41-9C21H20N2O4S
Frequently asked questions
What is the molar mass of C21H20N2O4S?
The molar mass of C21H20N2O4S is 396.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 396.1144 Da.
How many compounds have the formula C21H20N2O4S?
CompoundList lists 199 compounds with the molecular formula C21H20N2O4S, including Methyl 3-[(4-ethoxyphenyl)carbamoylamino]-5-phenylthiophene-2-carboxylate, N-(Furan-2-ylmethyl)-3-[(2-methyl-2,3-dihydroindol-1-yl)sulfonyl]benzamide, Diethyl 2-({[4-(2-naphthyl)-1,3-thiazol-2-yl]amino}methylene)malonate. 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 C21H20N2O4S?
C21H20N2O4S has a degree of unsaturation of 13. 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.