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Molecular formula

C21H15NO5S

20 compounds have this formula on CompoundList.

Molar mass
393.41g/mol
Monoisotopic mass
393.0671Da
Atoms
43
Elements
5
Rings plus double bonds
15

The formula C21H15NO5S describes a molecule made of 21 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 5 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 × 2164.11%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 153.84%
    1.008 × 15 = 15.120 g/mol
  • N Nitrogen × 13.56%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 520.33%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 18.15%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H15NO5S

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 20 of 20 compounds

Ethyl 3-(4-oxo-4H-chromene-3-carboxamido)benzo[b]thiophene-2-carboxylate chemical structure, C21H15NO5S, CAS 477556-42-6
Ethyl 3-(4-oxo-4H-chromene-3-carboxamido)benzo[b]thiophene-2-carboxylate
CAS 477556-42-6C21H15NO5S
(Z)-3-Oxo-2-(pyridin-3-ylmethylene)-2,3-dihydrobenzofuran-6-yl 4-methylbenzenesulfonate chemical structure, C21H15NO5S, CAS 1164482-00-1
(Z)-3-Oxo-2-(pyridin-3-ylmethylene)-2,3-dihydrobenzofuran-6-yl 4-methylbenzenesulfonate
CAS 1164482-00-1C21H15NO5S
N-(4-Methoxyphenyl)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide chemical structure, C21H15NO5S, CAS 794552-25-3
N-(4-Methoxyphenyl)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide
CAS 794552-25-3C21H15NO5S
N-(2-Methoxyphenyl)-9,10-dioxo-9,10-dihydroanthracene-1-sulfonamide chemical structure, C21H15NO5S, CAS 333310-96-6
N-(2-Methoxyphenyl)-9,10-dioxo-9,10-dihydroanthracene-1-sulfonamide
CAS 333310-96-6C21H15NO5S
(Z)-2-((3-Methylthiophen-2-yl)methylene)-6-((4-nitrobenzyl)oxy)benzofuran-3(2H)-one chemical structure, C21H15NO5S, CAS 622803-29-6
(Z)-2-((3-Methylthiophen-2-yl)methylene)-6-((4-nitrobenzyl)oxy)benzofuran-3(2H)-one
CAS 622803-29-6C21H15NO5S
(Z)-3-Oxo-2-(pyridin-4-ylmethylene)-2,3-dihydrobenzofuran-6-yl 4-methylbenzenesulfonate chemical structure, C21H15NO5S, CAS 896804-08-3
(Z)-3-Oxo-2-(pyridin-4-ylmethylene)-2,3-dihydrobenzofuran-6-yl 4-methylbenzenesulfonate
CAS 896804-08-3C21H15NO5S
N-(4-Methoxyphenyl)-9,10-dioxoanthracene-1-sulfonamide chemical structure, C21H15NO5S, CAS 406474-87-1
N-(4-Methoxyphenyl)-9,10-dioxoanthracene-1-sulfonamide
CAS 406474-87-1C21H15NO5S
Ethyl 2-[(3-oxobenzo[f]chromene-2-carbonyl)amino]thiophene-3-carboxylate chemical structure, C21H15NO5S, CAS 888413-11-4
Ethyl 2-[(3-oxobenzo[f]chromene-2-carbonyl)amino]thiophene-3-carboxylate
CAS 888413-11-4C21H15NO5S
Methyl {[2-oxo-3-(2-phenyl-1,3-thiazol-4-yl)-2H-chromen-7-yl]oxy}acetate chemical structure, C21H15NO5S, CAS 1081132-74-2
Methyl {[2-oxo-3-(2-phenyl-1,3-thiazol-4-yl)-2H-chromen-7-yl]oxy}acetate
CAS 1081132-74-2C21H15NO5S
Methyl 4-({[(2E)-3-oxo-2-(pyridin-3-ylmethylidene)-2,3-dihydro-1-benzofuran-6-yl]oxy}methyl)thiophene-2-carboxylate chemical structure, C21H15NO5S, CAS 1630908-16-5
Methyl 4-({[(2E)-3-oxo-2-(pyridin-3-ylmethylidene)-2,3-dihydro-1-benzofuran-6-yl]oxy}methyl)thiophene-2-carboxylate
CAS 1630908-16-5C21H15NO5S
N-(2-Methoxyphenyl)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide chemical structure, C21H15NO5S, CAS 889782-47-2
N-(2-Methoxyphenyl)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide
CAS 889782-47-2C21H15NO5S
3-(2-Methyl-1,3-thiazol-4-yl)-2-oxo-2H-chromen-7-yl 4-methoxybenzoate chemical structure, C21H15NO5S, CAS 1010927-95-3
3-(2-Methyl-1,3-thiazol-4-yl)-2-oxo-2H-chromen-7-yl 4-methoxybenzoate
CAS 1010927-95-3C21H15NO5S
3-(2-Methyl-1,3-thiazol-4-yl)-2-oxo-2H-chromen-7-yl 3-methoxybenzoate chemical structure, C21H15NO5S, CAS 1010890-20-6
3-(2-Methyl-1,3-thiazol-4-yl)-2-oxo-2H-chromen-7-yl 3-methoxybenzoate
CAS 1010890-20-6C21H15NO5S
4-[(2-{(E)-[2,4-Dioxo-3-(prop-2-yn-1-yl)-1,3-thiazolidin-5-ylidene]methyl}phenoxy)methyl]benzoic acid chemical structure, C21H15NO5S, CAS 432503-78-1
4-[(2-{(E)-[2,4-Dioxo-3-(prop-2-yn-1-yl)-1,3-thiazolidin-5-ylidene]methyl}phenoxy)methyl]benzoic acid
CAS 432503-78-1C21H15NO5S
Cvj6X7MK4A chemical structure, C21H15NO5S, CAS 60058-19-7
Cvj6X7MK4A
CAS 60058-19-7C21H15NO5S
1-Hydroxy-4-[4-(methanesulfonyl)anilino]anthracene-9,10-dione chemical structure, C21H15NO5S, CAS 88520-00-7
1-Hydroxy-4-[4-(methanesulfonyl)anilino]anthracene-9,10-dione
CAS 88520-00-7C21H15NO5S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(benzyloxy)-5-methylthiophene-2-carboxylate chemical structure, C21H15NO5S, CAS 2248373-70-6
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(benzyloxy)-5-methylthiophene-2-carboxylate
CAS 2248373-70-6C21H15NO5S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(4-methoxyphenyl)-5-methylthiophene-2-carboxylate chemical structure, C21H15NO5S, CAS 2248411-06-3
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(4-methoxyphenyl)-5-methylthiophene-2-carboxylate
CAS 2248411-06-3C21H15NO5S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-ethoxy-5-phenylthiophene-2-carboxylate chemical structure, C21H15NO5S, CAS 2248400-38-4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-ethoxy-5-phenylthiophene-2-carboxylate
CAS 2248400-38-4C21H15NO5S
3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-5-formylthiophene-2-carboxylic acid chemical structure, C21H15NO5S, CAS 2387049-67-2
3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-5-formylthiophene-2-carboxylic acid
CAS 2387049-67-2C21H15NO5S

Frequently asked questions

What is the molar mass of C21H15NO5S?

The molar mass of C21H15NO5S is 393.41 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 393.0671 Da.

How many compounds have the formula C21H15NO5S?

CompoundList lists 20 compounds with the molecular formula C21H15NO5S, including Ethyl 3-(4-oxo-4H-chromene-3-carboxamido)benzo[b]thiophene-2-carboxylate, (Z)-3-Oxo-2-(pyridin-3-ylmethylene)-2,3-dihydrobenzofuran-6-yl 4-methylbenzenesulfonate, N-(4-Methoxyphenyl)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide. 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 C21H15NO5S?

C21H15NO5S has a degree of unsaturation of 15. 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.