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Molecular formula

C18H16ClN3O5S

13 compounds have this formula on CompoundList.

Molar mass
421.85g/mol
Monoisotopic mass
421.0499Da
Atoms
44
Elements
6
Rings plus double bonds
12

The formula C18H16ClN3O5S describes a molecule made of 18 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 × 1851.25%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 163.82%
    1.008 × 16 = 16.128 g/mol
  • Cl Chlorine × 18.40%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 39.96%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 518.96%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 17.60%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H16ClN3O5S

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

Showing 1 to 13 of 13 compounds

4-Chloro-3-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)sulfamoyl]benzoic acid chemical structure, C18H16ClN3O5S, CAS 109030-05-9
4-Chloro-3-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)sulfamoyl]benzoic acid
CAS 109030-05-9C18H16ClN3O5S
2-(2-Chlorophenoxy)-N-(4-{[(5-methyl-3-isoxazolyl)amino]sulfonyl}phenyl)acetamide chemical structure, C18H16ClN3O5S, CAS 496039-74-8
2-(2-Chlorophenoxy)-N-(4-{[(5-methyl-3-isoxazolyl)amino]sulfonyl}phenyl)acetamide
CAS 496039-74-8C18H16ClN3O5S
(E)-N-(5-(5-Chlorothiophen-2-yl)-1,3,4-oxadiazol-2-yl)-3-(3,4,5-trimethoxyphenyl)acrylamide chemical structure, C18H16ClN3O5S, CAS 1105234-42-1
(E)-N-(5-(5-Chlorothiophen-2-yl)-1,3,4-oxadiazol-2-yl)-3-(3,4,5-trimethoxyphenyl)acrylamide
CAS 1105234-42-1C18H16ClN3O5S
2-Chloro-5-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)sulfamoyl]benzoic acid chemical structure, C18H16ClN3O5S, CAS 438031-01-7
2-Chloro-5-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)sulfamoyl]benzoic acid
CAS 438031-01-7C18H16ClN3O5S
Ethyl 5-[(2-chloroacetyl)amino]-3-(4-methoxyphenyl)-4-oxothieno[3,4-d]pyridazine-1-carboxylate chemical structure, C18H16ClN3O5S, CAS 851951-69-4
Ethyl 5-[(2-chloroacetyl)amino]-3-(4-methoxyphenyl)-4-oxothieno[3,4-d]pyridazine-1-carboxylate
CAS 851951-69-4C18H16ClN3O5S
Methyl 5-(4-chlorophenyl)-2-{[3-(3-methoxy-1,2-oxazol-5-yl)propanoyl]amino}-1,3-thiazole-4-carboxylate chemical structure, C18H16ClN3O5S, CAS 1630903-29-5
Methyl 5-(4-chlorophenyl)-2-{[3-(3-methoxy-1,2-oxazol-5-yl)propanoyl]amino}-1,3-thiazole-4-carboxylate
CAS 1630903-29-5C18H16ClN3O5S
Ethyl 3-(4-chlorophenyl)-5-[(2-methoxyacetyl)amino]-4-oxothieno[3,4-d]pyridazine-1-carboxylate chemical structure, C18H16ClN3O5S, CAS 851950-13-5
Ethyl 3-(4-chlorophenyl)-5-[(2-methoxyacetyl)amino]-4-oxothieno[3,4-d]pyridazine-1-carboxylate
CAS 851950-13-5C18H16ClN3O5S
5-(1-(3-Chlorobenzyl)azetidin-3-yl)-3-(thiophen-2-yl)-1,2,4-oxadiazole oxalate chemical structure, C18H16ClN3O5S, CAS 1351596-38-7
5-(1-(3-Chlorobenzyl)azetidin-3-yl)-3-(thiophen-2-yl)-1,2,4-oxadiazole oxalate
CAS 1351596-38-7C18H16ClN3O5S
5-({4-[(2-Chloro-1,3-thiazol-5-yl)methoxy]-3-methoxyphenyl}methylene)-1,3-dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione chemical structure, C18H16ClN3O5S, CAS 866131-66-0
5-({4-[(2-Chloro-1,3-thiazol-5-yl)methoxy]-3-methoxyphenyl}methylene)-1,3-dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione
CAS 866131-66-0C18H16ClN3O5S
3-Chloro-5-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)sulfamoyl]benzoic acid chemical structure, C18H16ClN3O5S, CAS 380193-47-5
3-Chloro-5-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)sulfamoyl]benzoic acid
CAS 380193-47-5C18H16ClN3O5S
3-((4-Chlorophenyl)sulfonyl)-N-(5-(2-methoxyphenyl)-1,3,4-oxadiazol-2-yl)propanamide chemical structure, C18H16ClN3O5S, CAS 895466-70-3
3-((4-Chlorophenyl)sulfonyl)-N-(5-(2-methoxyphenyl)-1,3,4-oxadiazol-2-yl)propanamide
CAS 895466-70-3C18H16ClN3O5S
3-((4-Chlorophenyl)sulfonyl)-N-(5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl)propanamide chemical structure, C18H16ClN3O5S, CAS 895466-86-1
3-((4-Chlorophenyl)sulfonyl)-N-(5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl)propanamide
CAS 895466-86-1C18H16ClN3O5S
3-(3-Chloro-4,5-dimethoxyphenyl)-2-cyano-N-(4-sulfamoylphenyl)prop-2-enamide chemical structure, C18H16ClN3O5S, CAS 1057882-02-6
3-(3-Chloro-4,5-dimethoxyphenyl)-2-cyano-N-(4-sulfamoylphenyl)prop-2-enamide
CAS 1057882-02-6C18H16ClN3O5S

Frequently asked questions

What is the molar mass of C18H16ClN3O5S?

The molar mass of C18H16ClN3O5S is 421.85 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 421.0499 Da.

How many compounds have the formula C18H16ClN3O5S?

CompoundList lists 13 compounds with the molecular formula C18H16ClN3O5S, including 4-Chloro-3-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)sulfamoyl]benzoic acid, 2-(2-Chlorophenoxy)-N-(4-{[(5-methyl-3-isoxazolyl)amino]sulfonyl}phenyl)acetamide, (E)-N-(5-(5-Chlorothiophen-2-yl)-1,3,4-oxadiazol-2-yl)-3-(3,4,5-trimethoxyphenyl)acrylamide. 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 C18H16ClN3O5S?

C18H16ClN3O5S 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.