Molecular formula
C21H21NO4S2
54 compounds have this formula on CompoundList.
- Molar mass
- 415.52g/mol
- Monoisotopic mass
- 415.0912Da
- Atoms
- 49
- Elements
- 5
- Rings plus double bonds
- 12
The formula C21H21NO4S2 describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 4 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 × 2160.70%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 215.09%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 13.37%14.007 × 1 = 14.007 g/mol
- O Oxygen × 415.40%15.999 × 4 = 63.996 g/mol
- S Sulfur × 215.43%32.06 × 2 = 64.120 g/mol
Look up another formula
Compounds with the formula C21H21NO4S2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 54 of 54 compounds
Ethyl 5-methyl-2-(((4-methylphenyl)sulfonyl)amino)-4-phenyl-3-thiophenecarboxylate
CAS 53976-15-1C21H21NO4S2
4-Methoxy-N-(2-(thiophen-2-yl)-2-tosylethyl)benzamide
CAS 896338-92-4C21H21NO4S2
![Methyl 3-[ethyl(phenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate chemical structure, C21H21NO4S2, CAS 941936-22-7](/s/GSMCOPLVPLVZIP-UHFFFAOYSA-N.svg)
Methyl 3-[ethyl(phenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate
CAS 941936-22-7C21H21NO4S2
2-Methyl-N-phenethyl-5-(phenylsulfonyl)benzenesulfonamide
CAS 450354-79-7C21H21NO4S2
(Z)-3-(2,3-Dimethylphenyl)-2-thioxo-5-(3,4,5-trimethoxybenzylidene)thiazolidin-4-one
CAS 300827-50-3C21H21NO4S2
2-(3,4-Dimethoxyphenyl)-3-(naphthalen-1-ylsulfonyl)thiazolidine
CAS 510733-64-9C21H21NO4S2
![N-(1,3-Benzodioxol-5-yl)-N-[(4-propan-2-ylphenyl)methyl]thiophene-2-sulfonamide chemical structure, C21H21NO4S2, CAS 1024523-12-3](/s/OGIRCBYVTBVZRK-UHFFFAOYSA-N.svg)
N-(1,3-Benzodioxol-5-yl)-N-[(4-propan-2-ylphenyl)methyl]thiophene-2-sulfonamide
CAS 1024523-12-3C21H21NO4S2
Ethyl 4,5-dimethyl-2-(5-((phenylthio)methyl)furan-2-carboxamido)thiophene-3-carboxylate
CAS 831207-93-3C21H21NO4S2
![Methyl 2-[(4,5-dimethylthiophene-3-carbonyl)amino]-4-(4-ethoxyphenyl)thiophene-3-carboxylate chemical structure, C21H21NO4S2, CAS 492434-40-9](/s/LVCGVYBVXUAYRF-UHFFFAOYSA-N.svg)
Methyl 2-[(4,5-dimethylthiophene-3-carbonyl)amino]-4-(4-ethoxyphenyl)thiophene-3-carboxylate
CAS 492434-40-9C21H21NO4S2
![(5E)-3-Ethyl-5-[[3-[2-(3-methoxyphenoxy)ethoxy]phenyl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one chemical structure, C21H21NO4S2, CAS 299908-23-9](/s/UEKFXRXILASENG-CPNJWEJPSA-N.svg)
(5E)-3-Ethyl-5-[[3-[2-(3-methoxyphenoxy)ethoxy]phenyl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
CAS 299908-23-9C21H21NO4S2
![3-Ethyl-5-{4-[2-(3-methoxyphenoxy)ethoxy]benzylidene}-2-thioxo-1,3-thiazolidin-4-one chemical structure, C21H21NO4S2, CAS 6193-64-2](/s/IZPHTBLCEBLVMU-CPNJWEJPSA-N.svg)
3-Ethyl-5-{4-[2-(3-methoxyphenoxy)ethoxy]benzylidene}-2-thioxo-1,3-thiazolidin-4-one
CAS 6193-64-2C21H21NO4S2
![Ethyl 3-[(3,5-dimethylphenyl)sulfamoyl]-4-phenylthiophene-2-carboxylate chemical structure, C21H21NO4S2, CAS 899723-66-1](/s/QRKKIFOCQZOKIY-UHFFFAOYSA-N.svg)
Ethyl 3-[(3,5-dimethylphenyl)sulfamoyl]-4-phenylthiophene-2-carboxylate
CAS 899723-66-1C21H21NO4S2
![Ethyl 4-(4-methylphenyl)-3-[(2-methylphenyl)sulfamoyl]thiophene-2-carboxylate chemical structure, C21H21NO4S2, CAS 946384-64-1](/s/HIKLJOIEELVUEU-UHFFFAOYSA-N.svg)
Ethyl 4-(4-methylphenyl)-3-[(2-methylphenyl)sulfamoyl]thiophene-2-carboxylate
CAS 946384-64-1C21H21NO4S2
![Isopropyl 4-(4-ethoxyphenyl)-2-[(2-thienylcarbonyl)amino]-3-thiophenecarboxylate chemical structure, C21H21NO4S2, CAS 445006-93-9](/s/VXHDCYGOSFRKKS-UHFFFAOYSA-N.svg)
Isopropyl 4-(4-ethoxyphenyl)-2-[(2-thienylcarbonyl)amino]-3-thiophenecarboxylate
CAS 445006-93-9C21H21NO4S2
![(5Z)-3-(2,4-Dimethylphenyl)-2-sulfanylidene-5-[(3,4,5-trimethoxyphenyl)methylidene]-1,3-thiazolidin-4-one chemical structure, C21H21NO4S2, CAS 356567-98-1](/s/MRGKEQVAKSNOIC-WQRHYEAKSA-N.svg)
(5Z)-3-(2,4-Dimethylphenyl)-2-sulfanylidene-5-[(3,4,5-trimethoxyphenyl)methylidene]-1,3-thiazolidin-4-one
CAS 356567-98-1C21H21NO4S2
6-(((4-Methylthiazol-2-yl)thio)methyl)-4-oxo-4H-pyran-3-yl 4-(tert-butyl)benzoate
CAS 896302-37-7C21H21NO4S2
![Methyl 3-[(2,5-dimethylphenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate chemical structure, C21H21NO4S2, CAS 941978-46-7](/s/MACSNCUZFJXRAW-UHFFFAOYSA-N.svg)
Methyl 3-[(2,5-dimethylphenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate
CAS 941978-46-7C21H21NO4S2
![Methyl 3-[(2,3-dimethylphenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate chemical structure, C21H21NO4S2, CAS 941978-48-9](/s/AGSUAWCJUSKDFF-UHFFFAOYSA-N.svg)
Methyl 3-[(2,3-dimethylphenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate
CAS 941978-48-9C21H21NO4S2
![N-[2-(4-Methoxybenzenesulfonyl)-2-(thiophen-2-yl)ethyl]-2-methylbenzamide chemical structure, C21H21NO4S2, CAS 946348-08-9](/s/KWKMPGAKUOWDCS-UHFFFAOYSA-N.svg)
N-[2-(4-Methoxybenzenesulfonyl)-2-(thiophen-2-yl)ethyl]-2-methylbenzamide
CAS 946348-08-9C21H21NO4S2
![N-[2-(4-Methoxybenzenesulfonyl)-2-(thiophen-2-yl)ethyl]-4-methylbenzamide chemical structure, C21H21NO4S2, CAS 946297-88-7](/s/PXEBTEXOBLPWFR-UHFFFAOYSA-N.svg)
N-[2-(4-Methoxybenzenesulfonyl)-2-(thiophen-2-yl)ethyl]-4-methylbenzamide
CAS 946297-88-7C21H21NO4S2
(4-((Furan-2-ylmethyl)sulfonyl)piperidin-1-yl)(4-(thiophen-2-yl)phenyl)methanone
CAS 1448124-44-4C21H21NO4S2
N-Benzyl-4-methyl-N-(4-methylphenyl)sulfonylbenzenesulfonamide
CAS 61079-82-1C21H21NO4S2
(Z)-3-Phenethyl-2-thioxo-5-(3,4,5-trimethoxybenzylidene)thiazolidin-4-one
CAS 432002-07-8C21H21NO4S2
![4,6-Dimethyl-2,3-bis[(4-methylphenyl)sulfonyl]pyridine chemical structure, C21H21NO4S2, CAS 478245-49-7](/s/MTCOHORJJZZIQY-UHFFFAOYSA-N.svg)
4,6-Dimethyl-2,3-bis[(4-methylphenyl)sulfonyl]pyridine
CAS 478245-49-7C21H21NO4S2
- (5Z)-5-(4-Ethoxy-3-methoxybenzylidene)-3-(2-ethoxyphenyl)-2-thioxo-1,3-thiazolidin-4-one612802-69-4C21H21NO4S2
- (5Z)-5-(2,4-Dimethoxybenzylidene)-3-[2-(4-methoxyphenyl)ethyl]-2-thioxo-1,3-thiazolidin-4-one843625-92-3C21H21NO4S2
- (5Z)-3-Ethyl-5-[[2-[2-(4-methoxyphenoxy)ethoxy]phenyl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one6380-37-6C21H21NO4S2
- Ethyl 3-[(3,4-dimethylphenyl)sulfamoyl]-4-phenylthiophene-2-carboxylate899970-86-6C21H21NO4S2
- Ethyl 3-[(2,3-dimethylphenyl)sulfamoyl]-4-phenylthiophene-2-carboxylate941935-45-1C21H21NO4S2
- Methyl 3-[(4-ethylphenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate941888-43-3C21H21NO4S2
- Methyl 3-[(3-ethylphenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate941978-44-5C21H21NO4S2
- Methyl 3-[(2,4-dimethylphenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate941888-45-5C21H21NO4S2
- Methyl 3-[(2,6-dimethylphenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate941936-19-2C21H21NO4S2
- Methyl 3-[(2-ethylphenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate941979-11-9C21H21NO4S2
- Ethyl 4-(4-methylphenyl)-3-[(4-methylphenyl)sulfamoyl]thiophene-2-carboxylate946322-61-8C21H21NO4S2
- Ethyl 4-(4-methylphenyl)-3-[(3-methylphenyl)sulfamoyl]thiophene-2-carboxylate946268-74-2C21H21NO4S2
- Ethyl 3-[(2,4-dimethylphenyl)sulfamoyl]-4-phenylthiophene-2-carboxylate899723-42-3C21H21NO4S2
- Methyl 3-[(3,4-dimethylphenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-2-carboxylate941935-53-1C21H21NO4S2
- Benzyl (2-(thiophen-2-yl)-2-tosylethyl)carbamate896343-62-7C21H21NO4S2
- N-(2-((4-Methoxyphenyl)sulfonyl)-2-(thiophen-2-yl)ethyl)-3-methylbenzamide946242-70-2C21H21NO4S2
- (4-((Furan-2-ylmethyl)sulfonyl)piperidin-1-yl)(4-(thiophen-3-yl)phenyl)methanone1448063-98-6C21H21NO4S2
- N-((5-Benzoylthiophen-2-yl)methyl)-2-methoxy-4,5-dimethylbenzenesulfonamide1797282-26-8C21H21NO4S2
- N-((5-Benzoylthiophen-2-yl)methyl)-2-(4-methoxyphenyl)ethanesulfonamide1797063-04-7C21H21NO4S2
- Methyl 3-{(4-methylbenzyl)[(4-methylphenyl)sulfonyl]amino}thiophene-2-carboxylate1923107-95-2C21H21NO4S2
- 1-(Naphthalen-1-ylsulfonyl)-2-((phenylsulfonyl)methyl)pyrrolidine1797611-54-1C21H21NO4S2
- (Z)-5-(4-Ethoxy-3-methoxybenzylidene)-3-(4-ethoxyphenyl)-2-thioxothiazolidin-4-one612802-73-0C21H21NO4S2
- (5E)-3-[2-(3,4-Dimethoxyphenyl)ethyl]-5-[(3-methoxyphenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one861427-85-2C21H21NO4S2
- (5E)-5-[3-Methoxy-4-(3-phenoxypropoxy)benzylidene]-3-methyl-2-thioxo-1,3-thiazolidin-4-one428856-67-1C21H21NO4S2
- Methyl 2-{[(3-phenyl-5,6-dihydro-1,4-oxathiin-2-yl)carbonyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate1010919-67-1C21H21NO4S2
- Ethyl 2-{[(3-phenyl-5,6-dihydro-1,4-oxathiin-2-yl)carbonyl]amino}-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate1010927-00-0C21H21NO4S2
- 5-[[3-Ethoxy-4-[2-(3-methylphenoxy)ethoxy]phenyl]methylene]-2-thioxo-4-thiazolidinone292173-05-8C21H21NO4S2
- N,N-Dibenzyl-4-methanesulfonylbenzene-1-sulfonamide1090447-28-1C21H21NO4S2
- (2E)-3-[5-(4-tert-Butylbenzenesulfonamido)-1-benzothiophen-2-yl]prop-2-enoic acid2563874-60-0C21H21NO4S2
- (2R)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(prop-2-en-1-yldisulfanyl)propanoic acid2679942-53-9C21H21NO4S2
Frequently asked questions
What is the molar mass of C21H21NO4S2?
The molar mass of C21H21NO4S2 is 415.52 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 415.0912 Da.
How many compounds have the formula C21H21NO4S2?
CompoundList lists 54 compounds with the molecular formula C21H21NO4S2, including Ethyl 5-methyl-2-(((4-methylphenyl)sulfonyl)amino)-4-phenyl-3-thiophenecarboxylate, 4-Methoxy-N-(2-(thiophen-2-yl)-2-tosylethyl)benzamide, Methyl 3-[ethyl(phenyl)sulfamoyl]-4-(4-methylphenyl)thiophene-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 C21H21NO4S2?
C21H21NO4S2 has a degree of unsaturation of 12. 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.