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Molecular formula

C21H16ClN3O5S

10 compounds have this formula on CompoundList.

Molar mass
457.88g/mol
Monoisotopic mass
457.0499Da
Atoms
47
Elements
6
Rings plus double bonds
15

The formula C21H16ClN3O5S describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 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 × 2155.09%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 163.52%
    1.008 × 16 = 16.128 g/mol
  • Cl Chlorine × 17.74%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 39.18%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 517.47%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 17.00%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H16ClN3O5S

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

Showing 1 to 10 of 10 compounds

N-(4-(((2E)-2-(1,3-Benzodioxol-5-ylmethylene)hydrazino)carbonyl)phenyl)-4-chlorobenzenesulfonamide chemical structure, C21H16ClN3O5S, CAS 477732-99-3
N-(4-(((2E)-2-(1,3-Benzodioxol-5-ylmethylene)hydrazino)carbonyl)phenyl)-4-chlorobenzenesulfonamide
CAS 477732-99-3C21H16ClN3O5S
N-(2-{[(2E)-2-(1,3-Benzodioxol-5-ylmethylene)hydrazino]carbonyl}phenyl)-4-chlorobenzenesulfonamide chemical structure, C21H16ClN3O5S, CAS 477733-84-9
N-(2-{[(2E)-2-(1,3-Benzodioxol-5-ylmethylene)hydrazino]carbonyl}phenyl)-4-chlorobenzenesulfonamide
CAS 477733-84-9C21H16ClN3O5S
N-[[3-Chloro-4-(furan-2-carbonylamino)phenyl]carbamothioyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide chemical structure, C21H16ClN3O5S, CAS 900773-14-0
N-[[3-Chloro-4-(furan-2-carbonylamino)phenyl]carbamothioyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide
CAS 900773-14-0C21H16ClN3O5S
4-Chloro-N-[4-(2,3-dihydro-1H-indol-1-ylsulfonyl)phenyl]-3-nitrobenzamide chemical structure, C21H16ClN3O5S, CAS 497087-05-5
4-Chloro-N-[4-(2,3-dihydro-1H-indol-1-ylsulfonyl)phenyl]-3-nitrobenzamide
CAS 497087-05-5C21H16ClN3O5S
2-(3-Chloro-4-methylphenyl)-4-(3-nitrobenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide chemical structure, C21H16ClN3O5S, CAS 866867-48-3
2-(3-Chloro-4-methylphenyl)-4-(3-nitrobenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide
CAS 866867-48-3C21H16ClN3O5S
4-Oxo-6-((pyrimidin-2-ylthio)methyl)-4H-pyran-3-yl 1-(4-chlorophenyl)-5-oxopyrrolidine-3-carboxylate chemical structure, C21H16ClN3O5S, CAS 877637-78-0
4-Oxo-6-((pyrimidin-2-ylthio)methyl)-4H-pyran-3-yl 1-(4-chlorophenyl)-5-oxopyrrolidine-3-carboxylate
CAS 877637-78-0C21H16ClN3O5S
(E)-[(4-{[(4-Chlorophenyl)methyl]sulfanyl}-3-nitrophenyl)methylidene][(4-nitrophenyl)methoxy]amine chemical structure, C21H16ClN3O5S, CAS 303996-27-2
(E)-[(4-{[(4-Chlorophenyl)methyl]sulfanyl}-3-nitrophenyl)methylidene][(4-nitrophenyl)methoxy]amine
CAS 303996-27-2C21H16ClN3O5S
N-(4-(N-(8-Chloro-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)sulfamoyl)phenyl)acetamide chemical structure, C21H16ClN3O5S, CAS 922089-30-3
N-(4-(N-(8-Chloro-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)sulfamoyl)phenyl)acetamide
CAS 922089-30-3C21H16ClN3O5S
Ethyl 2-(6-chloro-2-oxo-2H-chromen-3-yl)-4-oxo-3,4,5,6-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(8H)-carboxylate chemical structure, C21H16ClN3O5S, CAS 1228073-49-1
Ethyl 2-(6-chloro-2-oxo-2H-chromen-3-yl)-4-oxo-3,4,5,6-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(8H)-carboxylate
CAS 1228073-49-1C21H16ClN3O5S
[(4-Chloro-3-nitrophenyl)carbamoyl](phenyl)methyl 2-(methylsulfanyl)pyridine-3-carboxylate chemical structure, C21H16ClN3O5S, CAS 502729-89-7
[(4-Chloro-3-nitrophenyl)carbamoyl](phenyl)methyl 2-(methylsulfanyl)pyridine-3-carboxylate
CAS 502729-89-7C21H16ClN3O5S

Frequently asked questions

What is the molar mass of C21H16ClN3O5S?

The molar mass of C21H16ClN3O5S is 457.88 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 457.0499 Da.

How many compounds have the formula C21H16ClN3O5S?

CompoundList lists 10 compounds with the molecular formula C21H16ClN3O5S, including N-(4-(((2E)-2-(1,3-Benzodioxol-5-ylmethylene)hydrazino)carbonyl)phenyl)-4-chlorobenzenesulfonamide, N-(2-{[(2E)-2-(1,3-Benzodioxol-5-ylmethylene)hydrazino]carbonyl}phenyl)-4-chlorobenzenesulfonamide, N-[[3-Chloro-4-(furan-2-carbonylamino)phenyl]carbamothioyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide. 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 C21H16ClN3O5S?

C21H16ClN3O5S 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.