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Molecular formula

C21H14N2O5S

15 compounds have this formula on CompoundList.

Molar mass
406.41g/mol
Monoisotopic mass
406.0623Da
Atoms
43
Elements
5
Rings plus double bonds
16

The formula C21H14N2O5S describes a molecule made of 21 carbon atoms, 14 hydrogen atoms, 2 nitrogen atoms, 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 × 2162.06%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 143.47%
    1.008 × 14 = 14.112 g/mol
  • N Nitrogen × 26.89%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 519.68%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 17.89%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H14N2O5S

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

Showing 1 to 15 of 15 compounds

4-(Benzofuran-2-carbonyl)-3-hydroxy-1-(5-methylisoxazol-3-yl)-5-(thiophen-2-yl)-1H-pyrrol-2(5H)-one chemical structure, C21H14N2O5S, CAS 618877-48-8
4-(Benzofuran-2-carbonyl)-3-hydroxy-1-(5-methylisoxazol-3-yl)-5-(thiophen-2-yl)-1H-pyrrol-2(5H)-one
CAS 618877-48-8C21H14N2O5S
N-(4-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)thiazol-2-yl)-4-oxo-4H-chromene-3-carboxamide chemical structure, C21H14N2O5S, CAS 864937-37-1
N-(4-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)thiazol-2-yl)-4-oxo-4H-chromene-3-carboxamide
CAS 864937-37-1C21H14N2O5S
[4-(4-Cyanophenyl)phenyl] 2-(2-nitrophenyl)sulfinylacetate chemical structure, C21H14N2O5S, CAS 957481-51-5
[4-(4-Cyanophenyl)phenyl] 2-(2-nitrophenyl)sulfinylacetate
CAS 957481-51-5C21H14N2O5S
N-(Benzo[d][1,3]dioxol-5-yl)-3-(thiophene-2-carboxamido)benzofuran-2-carboxamide chemical structure, C21H14N2O5S, CAS 872613-09-7
N-(Benzo[d][1,3]dioxol-5-yl)-3-(thiophene-2-carboxamido)benzofuran-2-carboxamide
CAS 872613-09-7C21H14N2O5S
Methyl 4-((4-(2-oxo-2H-chromen-3-yl)thiazol-2-yl)carbamoyl)benzoate chemical structure, C21H14N2O5S, CAS 684232-11-9
Methyl 4-((4-(2-oxo-2H-chromen-3-yl)thiazol-2-yl)carbamoyl)benzoate
CAS 684232-11-9C21H14N2O5S
Methyl 4-(2-(4-oxo-4H-chromene-2-carboxamido)thiazol-4-yl)benzoate chemical structure, C21H14N2O5S, CAS 361173-43-5
Methyl 4-(2-(4-oxo-4H-chromene-2-carboxamido)thiazol-4-yl)benzoate
CAS 361173-43-5C21H14N2O5S
Methyl 3-nitro-5-(10H-phenothiazin-10-ylcarbonyl)benzoate chemical structure, C21H14N2O5S, CAS 292064-97-2
Methyl 3-nitro-5-(10H-phenothiazin-10-ylcarbonyl)benzoate
CAS 292064-97-2C21H14N2O5S
N-(4-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)thiazol-2-yl)-4-oxo-4H-chromene-2-carboxamide chemical structure, C21H14N2O5S, CAS 864861-02-9
N-(4-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)thiazol-2-yl)-4-oxo-4H-chromene-2-carboxamide
CAS 864861-02-9C21H14N2O5S
4-(Furan-2-carbonyl)-5-(furan-2-yl)-3-hydroxy-1-(6-methyl-1,3-benzothiazol-2-yl)-2,5-dihydro-1H-pyrrol-2-one chemical structure, C21H14N2O5S, CAS 608114-57-4
4-(Furan-2-carbonyl)-5-(furan-2-yl)-3-hydroxy-1-(6-methyl-1,3-benzothiazol-2-yl)-2,5-dihydro-1H-pyrrol-2-one
CAS 608114-57-4C21H14N2O5S
N-(4-(2-Oxo-2H-chromen-3-yl)thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide chemical structure, C21H14N2O5S, CAS 681168-53-6
N-(4-(2-Oxo-2H-chromen-3-yl)thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide
CAS 681168-53-6C21H14N2O5S
N-(4-(2-Oxo-2H-chromen-3-yl)thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxamide chemical structure, C21H14N2O5S, CAS 477551-25-0
N-(4-(2-Oxo-2H-chromen-3-yl)thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxamide
CAS 477551-25-0C21H14N2O5S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-methyl-4-(thiophene-2-amido)benzoate chemical structure, C21H14N2O5S, CAS 2248359-63-7
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-methyl-4-(thiophene-2-amido)benzoate
CAS 2248359-63-7C21H14N2O5S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-{[(thiophen-2-yl)formamido]methyl}benzoate chemical structure, C21H14N2O5S, CAS 2248415-07-6
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-{[(thiophen-2-yl)formamido]methyl}benzoate
CAS 2248415-07-6C21H14N2O5S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(N-methylthiophene-2-amido)benzoate chemical structure, C21H14N2O5S, CAS 2248356-20-7
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(N-methylthiophene-2-amido)benzoate
CAS 2248356-20-7C21H14N2O5S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-phenyl-2-[(thiophen-2-yl)formamido]acetate chemical structure, C21H14N2O5S, CAS 2248257-24-9
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-phenyl-2-[(thiophen-2-yl)formamido]acetate
CAS 2248257-24-9C21H14N2O5S

Frequently asked questions

What is the molar mass of C21H14N2O5S?

The molar mass of C21H14N2O5S is 406.41 g/mol, calculated from standard atomic weights for 21 carbon atoms, 14 hydrogen atoms, 2 nitrogen atoms, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 406.0623 Da.

How many compounds have the formula C21H14N2O5S?

CompoundList lists 15 compounds with the molecular formula C21H14N2O5S, including 4-(Benzofuran-2-carbonyl)-3-hydroxy-1-(5-methylisoxazol-3-yl)-5-(thiophen-2-yl)-1H-pyrrol-2(5H)-one, N-(4-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)thiazol-2-yl)-4-oxo-4H-chromene-3-carboxamide, [4-(4-Cyanophenyl)phenyl] 2-(2-nitrophenyl)sulfinylacetate. 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 C21H14N2O5S?

C21H14N2O5S has a degree of unsaturation of 16. 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.