Molecular formula
C21H20N2O5S2
60 compounds have this formula on CompoundList.
- Molar mass
- 444.52g/mol
- Monoisotopic mass
- 444.0814Da
- Atoms
- 50
- Elements
- 5
- Rings plus double bonds
- 13
The formula C21H20N2O5S2 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 5 oxygen atoms and 2 sulfur atoms. 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 × 2156.74%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 204.54%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 26.30%14.007 × 2 = 28.014 g/mol
- O Oxygen × 518.00%15.999 × 5 = 79.995 g/mol
- S Sulfur × 214.42%32.06 × 2 = 64.120 g/mol
Look up another formula
Compounds with the formula C21H20N2O5S2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 60 of 60 compounds
![1-(2,4-Dimethoxyphenyl)-3-[(6-ethoxy-1,3-benzothiazol-2-yl)sulfanyl]pyrrolidine-2,5-dione chemical structure, C21H20N2O5S2, CAS 361199-10-2](/s/PJOGMVUREHRULP-UHFFFAOYSA-N.svg)
1-(2,4-Dimethoxyphenyl)-3-[(6-ethoxy-1,3-benzothiazol-2-yl)sulfanyl]pyrrolidine-2,5-dione
CAS 361199-10-2C21H20N2O5S2
![2-Methoxyethyl (2Z)-7-methyl-2-[(5-methyl-2-furyl)methylene]-3-oxo-5-(2-thienyl)-2,3-DI hydro-5H-[1,3]thiazolo[3,2-A]pyrimidine-6-carboxylate chemical structure, C21H20N2O5S2, CAS 618072-28-9](/s/LAXCEULYGBUINN-WJDWOHSUSA-N.svg)
2-Methoxyethyl (2Z)-7-methyl-2-[(5-methyl-2-furyl)methylene]-3-oxo-5-(2-thienyl)-2,3-DI hydro-5H-[1,3]thiazolo[3,2-A]pyrimidine-6-carboxylate
CAS 618072-28-9C21H20N2O5S2
![Methyl 5-(((3-(4-ethoxyphenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)methyl)furan-2-carboxylate chemical structure, C21H20N2O5S2, CAS 686772-74-7](/s/UJMRSCBULSTLMM-UHFFFAOYSA-N.svg)
Methyl 5-(((3-(4-ethoxyphenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)methyl)furan-2-carboxylate
CAS 686772-74-7C21H20N2O5S2
![1-(3,4-Dimethoxyphenyl)-3-[(6-ethoxy-1,3-benzothiazol-2-yl)sulfanyl]pyrrolidine-2,5-dione chemical structure, C21H20N2O5S2, CAS 332938-20-2](/s/JDZALISVOYWRML-UHFFFAOYSA-N.svg)
1-(3,4-Dimethoxyphenyl)-3-[(6-ethoxy-1,3-benzothiazol-2-yl)sulfanyl]pyrrolidine-2,5-dione
CAS 332938-20-2C21H20N2O5S2
![Methyl 3-[(4-acetamidophenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate chemical structure, C21H20N2O5S2, CAS 941979-17-5](/s/PNOGBSWRICKKFJ-UHFFFAOYSA-N.svg)
Methyl 3-[(4-acetamidophenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate
CAS 941979-17-5C21H20N2O5S2
sulfamoyl}thiophene-2-carboxylate chemical structure, C21H20N2O5S2, CAS 895265-05-1](/s/WDENZBJUKVQTEN-UHFFFAOYSA-N.svg)
Methyl 3-{[(benzylcarbamoyl)methyl](phenyl)sulfamoyl}thiophene-2-carboxylate
CAS 895265-05-1C21H20N2O5S2
![Methyl 3-({[(4-methylphenyl)carbamoyl]methyl}(phenyl)sulfamoyl)thiophene-2-carboxylate chemical structure, C21H20N2O5S2, CAS 895264-00-3](/s/DALUWOTVASMNBL-UHFFFAOYSA-N.svg)
Methyl 3-({[(4-methylphenyl)carbamoyl]methyl}(phenyl)sulfamoyl)thiophene-2-carboxylate
CAS 895264-00-3C21H20N2O5S2
![1-(2,5-Dimethoxyphenyl)-3-[(6-ethoxy-1,3-benzothiazol-2-yl)sulfanyl]pyrrolidine-2,5-dione chemical structure, C21H20N2O5S2, CAS 374916-88-8](/s/JSAMORIAQNDZPL-UHFFFAOYSA-N.svg)
1-(2,5-Dimethoxyphenyl)-3-[(6-ethoxy-1,3-benzothiazol-2-yl)sulfanyl]pyrrolidine-2,5-dione
CAS 374916-88-8C21H20N2O5S2
N-(5-Acetyl-4-phenylthiazol-2-yl)-3-((4-methoxyphenyl)sulfonyl)propanamide
CAS 922984-25-6C21H20N2O5S2
![N-(4-(((3,5-Dimethoxybenzyl)thio)methyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H20N2O5S2, CAS 955857-10-0](/s/NLSCZHCPGRIAPN-UHFFFAOYSA-N.svg)
N-(4-(((3,5-Dimethoxybenzyl)thio)methyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 955857-10-0C21H20N2O5S2
Ethyl 2-(2-(ethylsulfonyl)benzamido)-4-phenylthiazole-5-carboxylate
CAS 922668-93-7C21H20N2O5S2
3,4-Dimethoxy-N-(1-(thiophene-2-carbonyl)indolin-6-yl)benzenesulfonamide
CAS 1021208-37-6C21H20N2O5S2
Ethyl 2-(2-(4-(methylsulfonyl)phenyl)acetamido)-4-phenylthiazole-5-carboxylate
CAS 919753-92-7C21H20N2O5S2
![Ethyl 2-((Z)-2-(cinnamoylimino)-6-(methylsulfonyl)benzo[d]thiazol-3(2H)-yl)acetate chemical structure, C21H20N2O5S2, CAS 865247-38-7](/s/YMFMDCQMXQAEEH-PVTUKVQFSA-N.svg)
Ethyl 2-((Z)-2-(cinnamoylimino)-6-(methylsulfonyl)benzo[d]thiazol-3(2H)-yl)acetate
CAS 865247-38-7C21H20N2O5S2
Ethyl 4-phenyl-2-(3-(phenylsulfonyl)propanamido)thiazole-5-carboxylate
CAS 868676-11-3C21H20N2O5S2
![Ethyl 5-[(3-methoxyanilino)carbonyl]-4-methyl-2-[(2-thienylcarbonyl)amino]-3-thiophenecarboxylate chemical structure, C21H20N2O5S2, CAS 330952-22-2](/s/KAQOVKHQCROQMZ-UHFFFAOYSA-N.svg)
Ethyl 5-[(3-methoxyanilino)carbonyl]-4-methyl-2-[(2-thienylcarbonyl)amino]-3-thiophenecarboxylate
CAS 330952-22-2C21H20N2O5S2
![N-[(5Z)-4-Oxo-2-thioxo-5-(3,4,5-trimethoxybenzylidene)-1,3-thiazolidin-3-yl]-2-phenylacetamide chemical structure, C21H20N2O5S2, CAS 300559-23-3](/s/UEMMUUKWRMJZHM-BOPFTXTBSA-N.svg)
N-[(5Z)-4-Oxo-2-thioxo-5-(3,4,5-trimethoxybenzylidene)-1,3-thiazolidin-3-yl]-2-phenylacetamide
CAS 300559-23-3C21H20N2O5S2
(E)-4-((2-Morpholino-4-oxothiazol-5(4H)-ylidene)methyl)phenyl 4-methylbenzenesulfonate
CAS 332109-36-1C21H20N2O5S2
(E)-Ethyl 4-(4-(5-(furan-2-ylmethylene)-4-oxo-2-thioxothiazolidin-3-yl)butanamido)benzoate
CAS 637319-01-8C21H20N2O5S2
Methyl 5-((4-ethoxyphenyl)carbamoyl)-4-methyl-2-(thiophene-2-carboxamido)thiophene-3-carboxylate
CAS 506416-62-2C21H20N2O5S2
(E)-Ethyl 4-(5-((3-morpholino-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)furan-2-yl)benzoate
CAS 875285-82-8C21H20N2O5S2
![4-Ethoxy-N-[(5E)-5-[(3-ethoxy-4-hydroxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]benzamide chemical structure, C21H20N2O5S2, CAS 865614-29-5](/s/QILICEWFXFLSLM-LDADJPATSA-N.svg)
4-Ethoxy-N-[(5E)-5-[(3-ethoxy-4-hydroxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]benzamide
CAS 865614-29-5C21H20N2O5S2
![N-{4-[(5Z)-4-Oxo-2-sulfanylidene-5-[(3,4,5-trimethoxyphenyl)methylidene]-1,3-thiazolidin-3-yl]phenyl}acetamide chemical structure, C21H20N2O5S2, CAS 868147-64-2](/s/HKSMMECTIDTHMY-WQRHYEAKSA-N.svg)
N-{4-[(5Z)-4-Oxo-2-sulfanylidene-5-[(3,4,5-trimethoxyphenyl)methylidene]-1,3-thiazolidin-3-yl]phenyl}acetamide
CAS 868147-64-2C21H20N2O5S2
![N-[(2E)-3-(1,3-Benzodioxol-5-yl)-5,5-dioxidotetrahydrothieno[3,4-d][1,3]thiazol-2(3H)-ylidene]-3-phenylpropanamide chemical structure, C21H20N2O5S2, CAS 892634-01-4](/s/QFKZLOCDASUUKS-UHFFFAOYSA-N.svg)
N-[(2E)-3-(1,3-Benzodioxol-5-yl)-5,5-dioxidotetrahydrothieno[3,4-d][1,3]thiazol-2(3H)-ylidene]-3-phenylpropanamide
CAS 892634-01-4C21H20N2O5S2
- Methyl 3-(4-(pyrrolidin-1-ylsulfonyl)benzamido)benzo[b]thiophene-2-carboxylate397278-77-2C21H20N2O5S2
- (Z)-2-(5-(3,4-Dimethoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)-N-(3-methoxyphenyl)acetamide681481-10-7C21H20N2O5S2
- (Z)-2-(5-(3,4-Dimethoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)-N-(4-methoxyphenyl)acetamide681481-11-8C21H20N2O5S2
- 2-[4-(2,3-Dihydro-1,4-benzodioxine-6-sulfonamido)phenyl]-N-[(thiophen-2-yl)methyl]acetamide1060329-28-3C21H20N2O5S2
- N-(1,3-Benzodioxol-5-yl)-3-[(4-ethylphenyl)(methyl)sulfamoyl]thiophene-2-carboxamide1105250-48-3C21H20N2O5S2
- Methyl 3-[3-(N-methyl4-methylbenzenesulfonamido)thiophene-2-amido]benzoate1116017-55-0C21H20N2O5S2
- Methyl 4-(N-(4-(2-oxo-2-((thiophen-2-ylmethyl)amino)ethyl)phenyl)sulfamoyl)benzoate1396712-88-1C21H20N2O5S2
- Hsd17B13-IN-462912453-90-6C21H20N2O5S2
- N-[(2E)-3-(1,3-Benzodioxol-5-ylmethyl)-5,5-dioxidotetrahydrothieno[3,4-d][1,3]thiazol-2(3H)-ylidene]-2-phenylacetamide900889-01-2C21H20N2O5S2
- Ethyl 2-((E)-((E)-5-(2-methoxy-2-oxoethylidene)-4-oxo-3-phenylthiazolidin-2-ylidene)amino)-4,5-dimethylthiophene-3-carboxylate1321818-22-7C21H20N2O5S2
- Methyl 3-({[(2-methylphenyl)carbamoyl]methyl}(phenyl)sulfamoyl)thiophene-2-carboxylate895264-07-0C21H20N2O5S2
- Methyl 3-{(4-methylphenyl)[2-oxo-2-(phenylamino)ethyl]sulfamoyl}thiophene-2-carboxylate895265-33-5C21H20N2O5S2
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3-[methyl(3-methylphenyl)sulfamoyl]thiophene-2-carboxamide1206994-38-8C21H20N2O5S2
- Ethyl 4-(3-(N-methylphenylsulfonamido)thiophene-2-carboxamido)benzoate1115933-65-7C21H20N2O5S2
- Methyl 4-[3-(N-methyl4-methylbenzenesulfonamido)thiophene-2-amido]benzoate1115871-91-4C21H20N2O5S2
- N-[(5Z)-5-(4-Ethoxy-3-methoxybenzylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-2-methoxybenzamide612802-96-7C21H20N2O5S2
- 2-Methyl-N-[(5Z)-4-oxo-2-thioxo-5-(3,4,5-trimethoxybenzylidene)-1,3-thiazolidin-3-yl]benzamide462623-36-5C21H20N2O5S2
- (Z)-2-(5-(3,4-Dimethoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)-N-(2-methoxyphenyl)acetamide681481-09-4C21H20N2O5S2
- 2,5-Dimethoxy-N-(1-(thiophene-2-carbonyl)indolin-6-yl)benzenesulfonamide1021208-34-3C21H20N2O5S2
- N-(4H-Chromeno[4,3-d]thiazol-2-yl)-4-((4-methoxyphenyl)sulfonyl)butanamide922962-68-3C21H20N2O5S2
- Ethyl 2-(2-(benzylsulfonyl)acetamido)-4-phenylthiazole-5-carboxylate922450-32-6C21H20N2O5S2
- (E)-2-(Benzylsulfonyl)-N-(4,7-dimethoxy-3-(prop-2-yn-1-yl)benzo[d]thiazol-2(3H)-ylidene)acetamide1007047-81-5C21H20N2O5S2
- Methyl 4-(2-(3-(benzylsulfonyl)propanamido)thiazol-4-yl)benzoate923472-08-6C21H20N2O5S2
- Ethyl 3-[3-(N-methylbenzenesulfonamido)thiophene-2-amido]benzoate1116082-67-7C21H20N2O5S2
- Methyl 2-[[4-[benzyl(methyl)sulfamoyl]benzoyl]amino]thiophene-3-carboxylate864940-38-5C21H20N2O5S2
- Ethyl 2-(4-(N-methyl-N-phenylsulfamoyl)benzamido)thiophene-3-carboxylate864940-53-4C21H20N2O5S2
- N-(Benzo[d][1,3]dioxol-5-yl)-2-(2-((3,5-dimethoxybenzyl)thio)thiazol-4-yl)acetamide942001-81-2C21H20N2O5S2
- 2-(3-((4-Methoxyphenyl)sulfonyl)propanamido)-5-phenylthiophene-3-carboxamide941889-57-2C21H20N2O5S2
- N-(4-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)thiazol-2-yl)-3-tosylpropanamide895446-17-0C21H20N2O5S2
- N-(4-(Benzo[d][1,3]dioxol-5-yl)thiazol-2-yl)-4-tosylbutanamide941925-72-0C21H20N2O5S2
- (E)-N-(4,7-Dimethoxy-3-(prop-2-yn-1-yl)benzo[d]thiazol-2(3H)-ylidene)-3-(phenylsulfonyl)propanamide1322286-39-4C21H20N2O5S2
- N-[(2H-1,3-Benzodioxol-5-yl)methyl]-3-(N-ethylbenzenesulfonamido)thiophene-2-carboxamide1251692-58-6C21H20N2O5S2
- N-(2-(Furan-2-yl)-2-hydroxy-2-(thiophen-2-yl)ethyl)-4-oxo-2,4,5,6-tetrahydro-1H-pyrrolo[3,2,1-ij]quinoline-8-sulfonamide2034485-80-6C21H20N2O5S2
- N-[2-(Furan-2-yl)-2-hydroxy-2-(thiophen-3-yl)ethyl]-11-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4(12),5,7-triene-6-sulfonamide2034397-76-5C21H20N2O5S2
- N-(2-(Furan-3-yl)-2-hydroxy-2-(thiophen-2-yl)ethyl)-4-oxo-2,4,5,6-tetrahydro-1H-pyrrolo[3,2,1-ij]quinoline-8-sulfonamide2034265-07-9C21H20N2O5S2
- 2-((1,1-Dioxidotetrahydrothiophen-3-yl)(methyl)amino)-2-oxoethyl 2-(thiophen-2-yl)quinoline-4-carboxylate868270-08-0C21H20N2O5S2
Frequently asked questions
What is the molar mass of C21H20N2O5S2?
The molar mass of C21H20N2O5S2 is 444.52 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 5 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 444.0814 Da.
How many compounds have the formula C21H20N2O5S2?
CompoundList lists 60 compounds with the molecular formula C21H20N2O5S2, including 1-(2,4-Dimethoxyphenyl)-3-[(6-ethoxy-1,3-benzothiazol-2-yl)sulfanyl]pyrrolidine-2,5-dione, 2-Methoxyethyl (2Z)-7-methyl-2-[(5-methyl-2-furyl)methylene]-3-oxo-5-(2-thienyl)-2,3-DI hydro-5H-[1,3]thiazolo[3,2-A]pyrimidine-6-carboxylate, Methyl 5-(((3-(4-ethoxyphenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)methyl)furan-2-carboxylate. 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 C21H20N2O5S2?
C21H20N2O5S2 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.