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Molecular formula

C21H18ClN3OS

30 compounds have this formula on CompoundList.

Molar mass
395.91g/mol
Monoisotopic mass
395.0859Da
Atoms
45
Elements
6
Rings plus double bonds
14

The formula C21H18ClN3OS describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 1 oxygen atom 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 × 2163.71%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 184.58%
    1.008 × 18 = 18.144 g/mol
  • Cl Chlorine × 18.95%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 310.61%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 14.04%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 18.10%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H18ClN3OS

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

Showing 1 to 30 of 30 compounds

2-[6-(4-Chlorophenyl)pyridazin-3-yl]sulfanyl-1-(3,4-dihydro-2H-quinolin-1-yl)ethanone chemical structure, C21H18ClN3OS, CAS 872688-68-1
2-[6-(4-Chlorophenyl)pyridazin-3-yl]sulfanyl-1-(3,4-dihydro-2H-quinolin-1-yl)ethanone
CAS 872688-68-1C21H18ClN3OS
2-((4-Chlorobenzyl)oxy)benzaldehyde N-phenylthiosemicarbazone chemical structure, C21H18ClN3OS, CAS 351188-92-6
2-((4-Chlorobenzyl)oxy)benzaldehyde N-phenylthiosemicarbazone
CAS 351188-92-6C21H18ClN3OS
4-(Benzyloxy)benzaldehyde N-(3-chlorophenyl)thiosemicarbazone chemical structure, C21H18ClN3OS, CAS 764653-32-9
4-(Benzyloxy)benzaldehyde N-(3-chlorophenyl)thiosemicarbazone
CAS 764653-32-9C21H18ClN3OS
4-[(4-Chlorobenzyl)thio]-2-(4-ethoxyphenyl)pyrazolo[1,5-a]pyrazine chemical structure, C21H18ClN3OS, CAS 1040663-82-8
4-[(4-Chlorobenzyl)thio]-2-(4-ethoxyphenyl)pyrazolo[1,5-a]pyrazine
CAS 1040663-82-8C21H18ClN3OS
4-[(2-Chlorobenzyl)thio]-2-(4-ethoxyphenyl)pyrazolo[1,5-a]pyrazine chemical structure, C21H18ClN3OS, CAS 1040646-74-9
4-[(2-Chlorobenzyl)thio]-2-(4-ethoxyphenyl)pyrazolo[1,5-a]pyrazine
CAS 1040646-74-9C21H18ClN3OS
N-(2-Chlorobenzyl)-3-(6-phenylimidazo[2,1-b]thiazol-3-yl)propanamide chemical structure, C21H18ClN3OS, CAS 1040643-19-3
N-(2-Chlorobenzyl)-3-(6-phenylimidazo[2,1-b]thiazol-3-yl)propanamide
CAS 1040643-19-3C21H18ClN3OS
3-(4-Chlorophenyl)-2-methyl-5-{[(4-methylphenyl)sulfanyl]methyl}pyrazolo[1,5-a]pyrimidin-7(4H)-one chemical structure, C21H18ClN3OS, CAS 898796-57-1
3-(4-Chlorophenyl)-2-methyl-5-{[(4-methylphenyl)sulfanyl]methyl}pyrazolo[1,5-a]pyrimidin-7(4H)-one
CAS 898796-57-1C21H18ClN3OS
3-(9H-Carbazol-9-yl)-N'-[(1E)-1-(5-chlorothiophen-2-yl)ethylidene]propanehydrazide chemical structure, C21H18ClN3OS, CAS 612047-58-2
3-(9H-Carbazol-9-yl)-N'-[(1E)-1-(5-chlorothiophen-2-yl)ethylidene]propanehydrazide
CAS 612047-58-2C21H18ClN3OS
4-[(3-Chlorobenzyl)thio]-2-(4-ethoxyphenyl)pyrazolo[1,5-a]pyrazine chemical structure, C21H18ClN3OS, CAS 1040663-74-8
4-[(3-Chlorobenzyl)thio]-2-(4-ethoxyphenyl)pyrazolo[1,5-a]pyrazine
CAS 1040663-74-8C21H18ClN3OS
2-((6-(2-Chlorophenyl)pyridazin-3-yl)thio)-N-(2,3-dihydro-1H-inden-5-yl)acetamide chemical structure, C21H18ClN3OS, CAS 1428375-05-6
2-((6-(2-Chlorophenyl)pyridazin-3-yl)thio)-N-(2,3-dihydro-1H-inden-5-yl)acetamide
CAS 1428375-05-6C21H18ClN3OS
1-(4-(((6-(2-Chlorophenyl)pyridazin-3-yl)thio)methyl)phenyl)pyrrolidin-2-one chemical structure, C21H18ClN3OS, CAS 1428349-02-3
1-(4-(((6-(2-Chlorophenyl)pyridazin-3-yl)thio)methyl)phenyl)pyrrolidin-2-one
CAS 1428349-02-3C21H18ClN3OS
(2E)-3-[(5-Chloro-2-methoxyphenyl)amino]-2-[4-(3,4-dimethylphenyl)-1,3-thiazol-2-yl]prop-2-enenitrile chemical structure, C21H18ClN3OS, CAS 477187-58-9
(2E)-3-[(5-Chloro-2-methoxyphenyl)amino]-2-[4-(3,4-dimethylphenyl)-1,3-thiazol-2-yl]prop-2-enenitrile
CAS 477187-58-9C21H18ClN3OS
N-((2-(2-Chlorophenyl)-4-methylthiazol-5-yl)methyl)-2-(1H-indol-3-yl)acetamide chemical structure, C21H18ClN3OS, CAS 1448035-15-1
N-((2-(2-Chlorophenyl)-4-methylthiazol-5-yl)methyl)-2-(1H-indol-3-yl)acetamide
CAS 1448035-15-1C21H18ClN3OS
(2E)-3-[(5-Chloro-2-methoxyphenyl)amino]-2-[4-(2,4-dimethylphenyl)-1,3-thiazol-2-yl]prop-2-enenitrile chemical structure, C21H18ClN3OS, CAS 477187-57-8
(2E)-3-[(5-Chloro-2-methoxyphenyl)amino]-2-[4-(2,4-dimethylphenyl)-1,3-thiazol-2-yl]prop-2-enenitrile
CAS 477187-57-8C21H18ClN3OS
(2E)-3-[(5-Chloro-2-methoxyphenyl)amino]-2-[4-(4-ethylphenyl)-1,3-thiazol-2-yl]prop-2-enenitrile chemical structure, C21H18ClN3OS, CAS 477187-59-0
(2E)-3-[(5-Chloro-2-methoxyphenyl)amino]-2-[4-(4-ethylphenyl)-1,3-thiazol-2-yl]prop-2-enenitrile
CAS 477187-59-0C21H18ClN3OS
(2E)-3-[(3-Chloro-4-methylphenyl)amino]-2-[4-(4-ethoxyphenyl)-1,3-thiazol-2-yl]prop-2-enenitrile chemical structure, C21H18ClN3OS, CAS 477187-48-7
(2E)-3-[(3-Chloro-4-methylphenyl)amino]-2-[4-(4-ethoxyphenyl)-1,3-thiazol-2-yl]prop-2-enenitrile
CAS 477187-48-7C21H18ClN3OS
(E)-3-((5-Chloro-2-methylphenyl)amino)-2-(4-(4-ethoxyphenyl)thiazol-2-yl)acrylonitrile chemical structure, C21H18ClN3OS, CAS 683258-01-7
(E)-3-((5-Chloro-2-methylphenyl)amino)-2-(4-(4-ethoxyphenyl)thiazol-2-yl)acrylonitrile
CAS 683258-01-7C21H18ClN3OS
(Z)-3-((3-Chloro-2-methylphenyl)amino)-2-(4-(4-ethoxyphenyl)thiazol-2-yl)acrylonitrile chemical structure, C21H18ClN3OS, CAS 374545-25-2
(Z)-3-((3-Chloro-2-methylphenyl)amino)-2-(4-(4-ethoxyphenyl)thiazol-2-yl)acrylonitrile
CAS 374545-25-2C21H18ClN3OS
2-[6-(4-Chlorophenyl)imidazo[2,1-b][1,3]thiazol-3-yl]-N-(2-phenylethyl)acetamide chemical structure, C21H18ClN3OS, CAS 897458-62-7
2-[6-(4-Chlorophenyl)imidazo[2,1-b][1,3]thiazol-3-yl]-N-(2-phenylethyl)acetamide
CAS 897458-62-7C21H18ClN3OS
4-(Benzylsulfanyl)-2-(3-chloro-4-ethoxyphenyl)pyrazolo[1,5-a]pyrazine chemical structure, C21H18ClN3OS, CAS 1105211-89-9
4-(Benzylsulfanyl)-2-(3-chloro-4-ethoxyphenyl)pyrazolo[1,5-a]pyrazine
CAS 1105211-89-9C21H18ClN3OS
3-Chloro-N-[(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)methyl]-1-benzothiophene-2-carboxamide chemical structure, C21H18ClN3OS, CAS 492427-25-5
3-Chloro-N-[(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)methyl]-1-benzothiophene-2-carboxamide
CAS 492427-25-5C21H18ClN3OS
2-[6-(4-Chlorophenyl)imidazo[2,1-b][1,3]thiazol-3-yl]-N-[(4-methylphenyl)methyl]acetamide chemical structure, C21H18ClN3OS, CAS 897458-33-2
2-[6-(4-Chlorophenyl)imidazo[2,1-b][1,3]thiazol-3-yl]-N-[(4-methylphenyl)methyl]acetamide
CAS 897458-33-2C21H18ClN3OS
5-(4-Chlorophenyl)-N-[2-(4-methoxyphenyl)ethyl]thieno[2,3-d]pyrimidin-4-amine chemical structure, C21H18ClN3OS, CAS 901661-79-8
5-(4-Chlorophenyl)-N-[2-(4-methoxyphenyl)ethyl]thieno[2,3-d]pyrimidin-4-amine
CAS 901661-79-8C21H18ClN3OS
2-((2-Chlorobenzyl)thio)-3-ethyl-7-phenyl-3H-pyrrolo[3,2-d]pyrimidin-4(5H)-one chemical structure, C21H18ClN3OS, CAS 2034377-28-9
2-((2-Chlorobenzyl)thio)-3-ethyl-7-phenyl-3H-pyrrolo[3,2-d]pyrimidin-4(5H)-one
CAS 2034377-28-9C21H18ClN3OS

Frequently asked questions

What is the molar mass of C21H18ClN3OS?

The molar mass of C21H18ClN3OS is 395.91 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 395.0859 Da.

How many compounds have the formula C21H18ClN3OS?

CompoundList lists 30 compounds with the molecular formula C21H18ClN3OS, including 2-[6-(4-Chlorophenyl)pyridazin-3-yl]sulfanyl-1-(3,4-dihydro-2H-quinolin-1-yl)ethanone, 2-((4-Chlorobenzyl)oxy)benzaldehyde N-phenylthiosemicarbazone, 4-(Benzyloxy)benzaldehyde N-(3-chlorophenyl)thiosemicarbazone. 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 C21H18ClN3OS?

C21H18ClN3OS 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.