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Molecular formula

C18H21ClN4O4S

27 compounds have this formula on CompoundList.

Molar mass
424.90g/mol
Monoisotopic mass
424.0972Da
Atoms
49
Elements
6
Rings plus double bonds
10

The formula C18H21ClN4O4S describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms, 4 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 × 1850.88%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 214.98%
    1.008 × 21 = 21.168 g/mol
  • Cl Chlorine × 18.34%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 413.19%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 415.06%
    15.999 × 4 = 63.996 g/mol
  • S Sulfur × 17.55%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H21ClN4O4S

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

Showing 1 to 27 of 27 compounds

N-[(4-Chlorophenyl)methyl]-5-(4-methylsulfonylpiperazin-1-yl)-2-nitroaniline chemical structure, C18H21ClN4O4S, CAS 347356-07-4
N-[(4-Chlorophenyl)methyl]-5-(4-methylsulfonylpiperazin-1-yl)-2-nitroaniline
CAS 347356-07-4C18H21ClN4O4S
2-[4-Chloro-2-methyl-5-(4-pyridin-2-ylpiperazin-1-yl)sulfonylphenoxy]acetamide chemical structure, C18H21ClN4O4S, CAS 700857-11-0
2-[4-Chloro-2-methyl-5-(4-pyridin-2-ylpiperazin-1-yl)sulfonylphenoxy]acetamide
CAS 700857-11-0C18H21ClN4O4S
2-(4-CL-3-((((Propylamino)carbonyl)amino)sulfonyl)BZ)-1-methyl-1-phenylhydrazine chemical structure, C18H21ClN4O4S, CAS 763111-26-8
2-(4-CL-3-((((Propylamino)carbonyl)amino)sulfonyl)BZ)-1-methyl-1-phenylhydrazine
CAS 763111-26-8C18H21ClN4O4S
N1-(2-(tert-butyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-N2-(2-chlorobenzyl)oxalamide chemical structure, C18H21ClN4O4S, CAS 899751-33-8
N1-(2-(tert-butyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-N2-(2-chlorobenzyl)oxalamide
CAS 899751-33-8C18H21ClN4O4S
7-(3-(4-Chlorophenoxy)-2-hydroxypropyl)-3-methyl-8-(propylthio)-1H-purine-2,6(3H,7H)-dione chemical structure, C18H21ClN4O4S, CAS 331675-34-4
7-(3-(4-Chlorophenoxy)-2-hydroxypropyl)-3-methyl-8-(propylthio)-1H-purine-2,6(3H,7H)-dione
CAS 331675-34-4C18H21ClN4O4S
4-[4-(4-Chlorophenyl)sulfonylpiperazin-1-yl]-N,N-dimethyl-3-nitroaniline chemical structure, C18H21ClN4O4S, CAS 433703-56-1
4-[4-(4-Chlorophenyl)sulfonylpiperazin-1-yl]-N,N-dimethyl-3-nitroaniline
CAS 433703-56-1C18H21ClN4O4S
6-Isopropyl-2-(4-nitrobenzamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamide hydrochloride chemical structure, C18H21ClN4O4S, CAS 1216565-20-6
6-Isopropyl-2-(4-nitrobenzamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamide hydrochloride
CAS 1216565-20-6C18H21ClN4O4S
3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-propoxybenzenesulfonyl Chloride chemical structure, C18H21ClN4O4S, CAS 139756-24-4
3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-propoxybenzenesulfonyl Chloride
CAS 139756-24-4C18H21ClN4O4S
N1-(2-(4-chlorophenyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-N2-isopentyloxalamide chemical structure, C18H21ClN4O4S, CAS 899733-78-9
N1-(2-(4-chlorophenyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-N2-isopentyloxalamide
CAS 899733-78-9C18H21ClN4O4S
N1-(2-(3-chlorophenyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-N2-isopentyloxalamide chemical structure, C18H21ClN4O4S, CAS 899734-05-5
N1-(2-(3-chlorophenyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-N2-isopentyloxalamide
CAS 899734-05-5C18H21ClN4O4S
N1-(2-(tert-butyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-N2-(4-chlorobenzyl)oxalamide chemical structure, C18H21ClN4O4S, CAS 899945-02-9
N1-(2-(tert-butyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-N2-(4-chlorobenzyl)oxalamide
CAS 899945-02-9C18H21ClN4O4S
2-(4-Chlorophenoxy)-N-(2-(2-((2-methoxyethyl)amino)-2-oxoethyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)acetamide chemical structure, C18H21ClN4O4S, CAS 1105204-00-9
2-(4-Chlorophenoxy)-N-(2-(2-((2-methoxyethyl)amino)-2-oxoethyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)acetamide
CAS 1105204-00-9C18H21ClN4O4S
5-Chloro-2-methoxy-N-(2-(2-((2-methoxyethyl)amino)-2-oxoethyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)benzamide chemical structure, C18H21ClN4O4S, CAS 1105204-89-4
5-Chloro-2-methoxy-N-(2-(2-((2-methoxyethyl)amino)-2-oxoethyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)benzamide
CAS 1105204-89-4C18H21ClN4O4S
N-(4-Chlorophenyl)-2-(4-ethylpiperazin-1-yl)-5-nitrobenzenesulfonamide chemical structure, C18H21ClN4O4S, CAS 381191-34-0
N-(4-Chlorophenyl)-2-(4-ethylpiperazin-1-yl)-5-nitrobenzenesulfonamide
CAS 381191-34-0C18H21ClN4O4S
N-(3-(Dimethylamino)propyl)-N-(4-methylbenzo[d]thiazol-2-yl)-5-nitrofuran-2-carboxamide hydrochloride chemical structure, C18H21ClN4O4S, CAS 1216623-62-9
N-(3-(Dimethylamino)propyl)-N-(4-methylbenzo[d]thiazol-2-yl)-5-nitrofuran-2-carboxamide hydrochloride
CAS 1216623-62-9C18H21ClN4O4S
N-(5-Chloro-2-methoxyphenyl)-2-((1-(2-(cyclopropylamino)-2-oxoethyl)-5-(hydroxymethyl)-1H-imidazol-2-yl)thio)acetamide chemical structure, C18H21ClN4O4S, CAS 921524-79-0
N-(5-Chloro-2-methoxyphenyl)-2-((1-(2-(cyclopropylamino)-2-oxoethyl)-5-(hydroxymethyl)-1H-imidazol-2-yl)thio)acetamide
CAS 921524-79-0C18H21ClN4O4S
N-(Benzo[d]thiazol-2-yl)-N-(2-(diethylamino)ethyl)-5-nitrofuran-2-carboxamide hydrochloride chemical structure, C18H21ClN4O4S, CAS 1215629-43-8
N-(Benzo[d]thiazol-2-yl)-N-(2-(diethylamino)ethyl)-5-nitrofuran-2-carboxamide hydrochloride
CAS 1215629-43-8C18H21ClN4O4S
Ethyl 4-(6-((4-chlorobenzyl)sulfonyl)pyridazin-3-yl)piperazine-1-carboxylate chemical structure, C18H21ClN4O4S, CAS 1040654-60-1
Ethyl 4-(6-((4-chlorobenzyl)sulfonyl)pyridazin-3-yl)piperazine-1-carboxylate
CAS 1040654-60-1C18H21ClN4O4S
N-(5-Methoxybenzo[d]thiazol-2-yl)-N-(2-morpholinoethyl)isoxazole-5-carboxamide hydrochloride chemical structure, C18H21ClN4O4S, CAS 1184989-19-2
N-(5-Methoxybenzo[d]thiazol-2-yl)-N-(2-morpholinoethyl)isoxazole-5-carboxamide hydrochloride
CAS 1184989-19-2C18H21ClN4O4S
N-[4-({3-[(5-Chloropyrimidin-2-yl)oxy]piperidin-1-yl}sulfonyl)-3-methylphenyl]acetamide chemical structure, C18H21ClN4O4S, CAS 2034476-18-9
N-[4-({3-[(5-Chloropyrimidin-2-yl)oxy]piperidin-1-yl}sulfonyl)-3-methylphenyl]acetamide
CAS 2034476-18-9C18H21ClN4O4S
4-[8-(3-Chloro-4-methoxybenzenesulfonyl)-5H,6H,7H,8H-pyrido[2,3-d]pyrimidin-2-yl]morpholine chemical structure, C18H21ClN4O4S, CAS 2177365-95-4
4-[8-(3-Chloro-4-methoxybenzenesulfonyl)-5H,6H,7H,8H-pyrido[2,3-d]pyrimidin-2-yl]morpholine
CAS 2177365-95-4C18H21ClN4O4S
3-[6,7-Dihydro-1-methyl-3-(2-methylpropyl)-7-oxo-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-4-ethoxybenzenesulfonyl Chloride chemical structure, C18H21ClN4O4S, CAS 1467610-68-9
3-[6,7-Dihydro-1-methyl-3-(2-methylpropyl)-7-oxo-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-4-ethoxybenzenesulfonyl Chloride
CAS 1467610-68-9C18H21ClN4O4S
N'-(4-Butoxy-3-methoxybenzoyl)-5-chloro-2-(methylsulfanyl)pyrimidine-4-carbohydrazide chemical structure, C18H21ClN4O4S, CAS 1197946-99-8
N'-(4-Butoxy-3-methoxybenzoyl)-5-chloro-2-(methylsulfanyl)pyrimidine-4-carbohydrazide
CAS 1197946-99-8C18H21ClN4O4S
4-Chloro-N-[5-(3,4-dimethoxybenzyl)-1,4,5,6-tetrahydro-1,3,5-triazin-2-yl]benzenesulfonamide chemical structure, C18H21ClN4O4S, CAS 1158598-46-9
4-Chloro-N-[5-(3,4-dimethoxybenzyl)-1,4,5,6-tetrahydro-1,3,5-triazin-2-yl]benzenesulfonamide
CAS 1158598-46-9C18H21ClN4O4S

Frequently asked questions

What is the molar mass of C18H21ClN4O4S?

The molar mass of C18H21ClN4O4S is 424.90 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 424.0972 Da.

How many compounds have the formula C18H21ClN4O4S?

CompoundList lists 27 compounds with the molecular formula C18H21ClN4O4S, including N-[(4-Chlorophenyl)methyl]-5-(4-methylsulfonylpiperazin-1-yl)-2-nitroaniline, 2-[4-Chloro-2-methyl-5-(4-pyridin-2-ylpiperazin-1-yl)sulfonylphenoxy]acetamide, 2-(4-CL-3-((((Propylamino)carbonyl)amino)sulfonyl)BZ)-1-methyl-1-phenylhydrazine. 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 C18H21ClN4O4S?

C18H21ClN4O4S has a degree of unsaturation of 10. 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.