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Molecular formula

C21H18ClN3O5S

23 compounds have this formula on CompoundList.

Molar mass
459.90g/mol
Monoisotopic mass
459.0656Da
Atoms
49
Elements
6
Rings plus double bonds
14

The formula C21H18ClN3O5S describes a molecule made of 21 carbon atoms, 18 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 × 2154.84%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 183.95%
    1.008 × 18 = 18.144 g/mol
  • Cl Chlorine × 17.71%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 39.14%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 517.39%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 16.97%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H18ClN3O5S

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

Showing 1 to 23 of 23 compounds

2-Chloro-N'-{3-[5-(3-methoxybenzylidene)-2,4-dioxo-1,3-thiazolidin-3-yl]propanoyl}benzohydrazide chemical structure, C21H18ClN3O5S, CAS 1164519-54-3
2-Chloro-N'-{3-[5-(3-methoxybenzylidene)-2,4-dioxo-1,3-thiazolidin-3-yl]propanoyl}benzohydrazide
CAS 1164519-54-3C21H18ClN3O5S
4-CL-N-(2-((2-(2-HO-5-Meo-benzylidene)hydrazino)carbonyl)PH)benzenesulfonamide chemical structure, C21H18ClN3O5S, CAS 477733-77-0
4-CL-N-(2-((2-(2-HO-5-Meo-benzylidene)hydrazino)carbonyl)PH)benzenesulfonamide
CAS 477733-77-0C21H18ClN3O5S
4-CL-N-(2-((2-(4-HO-3-Meo-benzylidene)hydrazino)carbonyl)PH)benzenesulfonamide chemical structure, C21H18ClN3O5S, CAS 477733-69-0
4-CL-N-(2-((2-(4-HO-3-Meo-benzylidene)hydrazino)carbonyl)PH)benzenesulfonamide
CAS 477733-69-0C21H18ClN3O5S
N-{4-[(Acetylamino)sulfonyl]phenyl}-1-(4-chlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C21H18ClN3O5S, CAS 946302-85-8
N-{4-[(Acetylamino)sulfonyl]phenyl}-1-(4-chlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 946302-85-8C21H18ClN3O5S
2-(9-Chloro-4-oxo[1]benzothieno[3,2-d]pyrimidin-3(4H)-yl)-N-(3,4,5-trimethoxyphenyl)acetamide chemical structure, C21H18ClN3O5S, CAS 1021207-82-8
2-(9-Chloro-4-oxo[1]benzothieno[3,2-d]pyrimidin-3(4H)-yl)-N-(3,4,5-trimethoxyphenyl)acetamide
CAS 1021207-82-8C21H18ClN3O5S
2-(2-(((4-Chlorophenyl)thio)methyl)-5-methoxy-4-oxopyridin-1(4H)-yl)-N-(4-nitrophenyl)acetamide chemical structure, C21H18ClN3O5S, CAS 941914-52-9
2-(2-(((4-Chlorophenyl)thio)methyl)-5-methoxy-4-oxopyridin-1(4H)-yl)-N-(4-nitrophenyl)acetamide
CAS 941914-52-9C21H18ClN3O5S
2-[N-(Benzenesulfonyl)-3-nitroanilino]-N-(5-chloro-2-methylphenyl)acetamide chemical structure, C21H18ClN3O5S, CAS 357323-03-6
2-[N-(Benzenesulfonyl)-3-nitroanilino]-N-(5-chloro-2-methylphenyl)acetamide
CAS 357323-03-6C21H18ClN3O5S
2-[Benzenesulfonyl-[(4-chlorophenyl)methyl]amino]-N-(3-nitrophenyl)acetamide chemical structure, C21H18ClN3O5S, CAS 432531-44-7
2-[Benzenesulfonyl-[(4-chlorophenyl)methyl]amino]-N-(3-nitrophenyl)acetamide
CAS 432531-44-7C21H18ClN3O5S
N-(4-{[Benzyl(methyl)amino]sulfonyl}phenyl)-4-chloro-3-nitrobenzamide chemical structure, C21H18ClN3O5S, CAS 497090-23-0
N-(4-{[Benzyl(methyl)amino]sulfonyl}phenyl)-4-chloro-3-nitrobenzamide
CAS 497090-23-0C21H18ClN3O5S
N-[4-[Benzyl(methyl)sulfamoyl]phenyl]-2-chloro-4-nitrobenzamide chemical structure, C21H18ClN3O5S, CAS 710973-80-1
N-[4-[Benzyl(methyl)sulfamoyl]phenyl]-2-chloro-4-nitrobenzamide
CAS 710973-80-1C21H18ClN3O5S
N-[4-[Benzyl(methyl)sulfamoyl]phenyl]-4-chloro-2-nitrobenzamide chemical structure, C21H18ClN3O5S, CAS 710975-31-8
N-[4-[Benzyl(methyl)sulfamoyl]phenyl]-4-chloro-2-nitrobenzamide
CAS 710975-31-8C21H18ClN3O5S
4-Chloro-2-nitro-N-{4-[(2-phenylethyl)sulfamoyl]phenyl}benzamide chemical structure, C21H18ClN3O5S, CAS 600131-13-3
4-Chloro-2-nitro-N-{4-[(2-phenylethyl)sulfamoyl]phenyl}benzamide
CAS 600131-13-3C21H18ClN3O5S
2-Chloro-4-nitro-N-{4-[(2-phenylethyl)sulfamoyl]phenyl}benzamide chemical structure, C21H18ClN3O5S, CAS 600129-75-7
2-Chloro-4-nitro-N-{4-[(2-phenylethyl)sulfamoyl]phenyl}benzamide
CAS 600129-75-7C21H18ClN3O5S
2-Chloro-5-nitro-N-{4-[(2-phenylethyl)sulfamoyl]phenyl}benzamide chemical structure, C21H18ClN3O5S, CAS 600131-07-5
2-Chloro-5-nitro-N-{4-[(2-phenylethyl)sulfamoyl]phenyl}benzamide
CAS 600131-07-5C21H18ClN3O5S
2-[N-(Benzenesulfonyl)-4-nitroanilino]-N-(4-chloro-2-methylphenyl)acetamide chemical structure, C21H18ClN3O5S, CAS 367960-37-0
2-[N-(Benzenesulfonyl)-4-nitroanilino]-N-(4-chloro-2-methylphenyl)acetamide
CAS 367960-37-0C21H18ClN3O5S
4-({2-[3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-3-methyl-1-benzofuran-5-yl}sulfonyl)morpholine chemical structure, C21H18ClN3O5S, CAS 1207008-32-9
4-({2-[3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-3-methyl-1-benzofuran-5-yl}sulfonyl)morpholine
CAS 1207008-32-9C21H18ClN3O5S
2-Chloro-N-((1,3-dimethyl-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-5-yl)sulfonyl)-N-(furan-2-ylmethyl)benzamide chemical structure, C21H18ClN3O5S, CAS 881043-44-3
2-Chloro-N-((1,3-dimethyl-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-5-yl)sulfonyl)-N-(furan-2-ylmethyl)benzamide
CAS 881043-44-3C21H18ClN3O5S
6-Chloro-7-(3-(4-methoxyphenyl)-1-(methylsulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)-[1,3]dioxolo[4,5-g]quinoline chemical structure, C21H18ClN3O5S, CAS 864925-23-5
6-Chloro-7-(3-(4-methoxyphenyl)-1-(methylsulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)-[1,3]dioxolo[4,5-g]quinoline
CAS 864925-23-5C21H18ClN3O5S
1-[(5-Chloro-2-methoxyphenyl)sulfonyl]-2,3-dihydro-N-phenyl-1H-pyrido[2,3-b][1,4]oxazine-7-carboxamide chemical structure, C21H18ClN3O5S, CAS 946121-83-1
1-[(5-Chloro-2-methoxyphenyl)sulfonyl]-2,3-dihydro-N-phenyl-1H-pyrido[2,3-b][1,4]oxazine-7-carboxamide
CAS 946121-83-1C21H18ClN3O5S
2-(2-Chloro-N-(4-methylphenyl)sulfonylanilino)-N-(3-nitrophenyl)acetamide chemical structure, C21H18ClN3O5S, CAS 462083-77-8
2-(2-Chloro-N-(4-methylphenyl)sulfonylanilino)-N-(3-nitrophenyl)acetamide
CAS 462083-77-8C21H18ClN3O5S
N-(2-Chlorophenyl)-2-(N-(4-methylphenyl)sulfonyl-3-nitroanilino)acetamide chemical structure, C21H18ClN3O5S, CAS 695155-64-7
N-(2-Chlorophenyl)-2-(N-(4-methylphenyl)sulfonyl-3-nitroanilino)acetamide
CAS 695155-64-7C21H18ClN3O5S
4-Chloro-N-(isoxazol-3-yl)-3-methoxy-N-(4-methoxybenzyl)isoquinoline-7-sulfonamide chemical structure, C21H18ClN3O5S, CAS 1641571-69-8
4-Chloro-N-(isoxazol-3-yl)-3-methoxy-N-(4-methoxybenzyl)isoquinoline-7-sulfonamide
CAS 1641571-69-8C21H18ClN3O5S
4-Chloro-N-(4-{[(2E)-2-(2-hydroxy-5-methoxybenzylidene)hydrazino]carbonyl}phenyl)benzenesulfonamide chemical structure, C21H18ClN3O5S, CAS 477733-09-8
4-Chloro-N-(4-{[(2E)-2-(2-hydroxy-5-methoxybenzylidene)hydrazino]carbonyl}phenyl)benzenesulfonamide
CAS 477733-09-8C21H18ClN3O5S

Frequently asked questions

What is the molar mass of C21H18ClN3O5S?

The molar mass of C21H18ClN3O5S is 459.90 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 459.0656 Da.

How many compounds have the formula C21H18ClN3O5S?

CompoundList lists 23 compounds with the molecular formula C21H18ClN3O5S, including 2-Chloro-N'-{3-[5-(3-methoxybenzylidene)-2,4-dioxo-1,3-thiazolidin-3-yl]propanoyl}benzohydrazide, 4-CL-N-(2-((2-(2-HO-5-Meo-benzylidene)hydrazino)carbonyl)PH)benzenesulfonamide, 4-CL-N-(2-((2-(4-HO-3-Meo-benzylidene)hydrazino)carbonyl)PH)benzenesulfonamide. 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 C21H18ClN3O5S?

C21H18ClN3O5S has a degree of unsaturation of 14. 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.