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Molecular formula

C21H18ClN5O3S

48 compounds have this formula on CompoundList.

Molar mass
455.92g/mol
Monoisotopic mass
455.0819Da
Atoms
49
Elements
6
Rings plus double bonds
15

The formula C21H18ClN5O3S describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 5 nitrogen atoms, 3 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 × 2155.32%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 183.98%
    1.008 × 18 = 18.144 g/mol
  • Cl Chlorine × 17.78%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 515.36%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 310.53%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 17.03%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H18ClN5O3S

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

Showing 1 to 48 of 48 compounds

2-{[5-(3-Chlorophenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)acetamide chemical structure, C21H18ClN5O3S, CAS 725707-09-5
2-{[5-(3-Chlorophenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)acetamide
CAS 725707-09-5C21H18ClN5O3S
2-{[7-(3-Chlorobenzyl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl]sulfanyl}-N-phenylacetamide chemical structure, C21H18ClN5O3S, CAS 124192-79-6
2-{[7-(3-Chlorobenzyl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl]sulfanyl}-N-phenylacetamide
CAS 124192-79-6C21H18ClN5O3S
N-(3-Chloro-4-methylphenyl)-2-((8-(4-methoxyphenyl)-(oxo)dihydropyrazolo[1,5-d][1,2,4]triazin-2-yl)thio)acetamide chemical structure, C21H18ClN5O3S, CAS 946354-57-0
N-(3-Chloro-4-methylphenyl)-2-((8-(4-methoxyphenyl)-(oxo)dihydropyrazolo[1,5-d][1,2,4]triazin-2-yl)thio)acetamide
CAS 946354-57-0C21H18ClN5O3S
2-(4-Chlorophenoxy)-N-(1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(thiophen-2-yl)-1H-pyrazol-5-yl)acetamide chemical structure, C21H18ClN5O3S, CAS 1173253-01-4
2-(4-Chlorophenoxy)-N-(1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(thiophen-2-yl)-1H-pyrazol-5-yl)acetamide
CAS 1173253-01-4C21H18ClN5O3S
2-((7-(2-Chlorobenzyl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)thio)-N-phenylacetamide chemical structure, C21H18ClN5O3S, CAS 313470-36-9
2-((7-(2-Chlorobenzyl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)thio)-N-phenylacetamide
CAS 313470-36-9C21H18ClN5O3S
4-Chloro-N-[4-(5-nitroquinolin-8-yl)piperazine-1-carbothioyl]benzamide chemical structure, C21H18ClN5O3S, CAS 347356-00-7
4-Chloro-N-[4-(5-nitroquinolin-8-yl)piperazine-1-carbothioyl]benzamide
CAS 347356-00-7C21H18ClN5O3S
N-(3-Chloro-4-methoxyphenyl)-2-{[4-(furan-2-ylmethyl)-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C21H18ClN5O3S, CAS 578749-08-3
N-(3-Chloro-4-methoxyphenyl)-2-{[4-(furan-2-ylmethyl)-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 578749-08-3C21H18ClN5O3S
Ethyl 4-{[(7-hydroxy-5-oxo-4,5-dihydrothieno[3,2-b]pyridin-6-yl)carbonyl]amino}benzoate chemical structure, C21H18ClN5O3S, CAS 1251601-60-1
Ethyl 4-{[(7-hydroxy-5-oxo-4,5-dihydrothieno[3,2-b]pyridin-6-yl)carbonyl]amino}benzoate
CAS 1251601-60-1C21H18ClN5O3S
2-((1-(4-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(3,4-dimethoxyphenyl)acetamide chemical structure, C21H18ClN5O3S, CAS 586999-67-9
2-((1-(4-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(3,4-dimethoxyphenyl)acetamide
CAS 586999-67-9C21H18ClN5O3S
2-(((7-Chloro-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)methyl)thio)-3-((tetrahydrofuran-2-yl)methyl)pyrido[2,3-d]pyrimidin-4(3H)-one chemical structure, C21H18ClN5O3S, CAS 931943-00-9
2-(((7-Chloro-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)methyl)thio)-3-((tetrahydrofuran-2-yl)methyl)pyrido[2,3-d]pyrimidin-4(3H)-one
CAS 931943-00-9C21H18ClN5O3S
2-(6-((4-Chlorobenzyl)thio)-3-oxo-[1,2,4]triazolo[4,3-b]pyridazin-2(3H)-yl)-N-(4-methoxyphenyl)acetamide chemical structure, C21H18ClN5O3S, CAS 1040633-49-5
2-(6-((4-Chlorobenzyl)thio)-3-oxo-[1,2,4]triazolo[4,3-b]pyridazin-2(3H)-yl)-N-(4-methoxyphenyl)acetamide
CAS 1040633-49-5C21H18ClN5O3S
2-(6-((4-Chlorobenzyl)thio)-3-oxo-[1,2,4]triazolo[4,3-b]pyridazin-2(3H)-yl)-N-(3-methoxyphenyl)acetamide chemical structure, C21H18ClN5O3S, CAS 1105212-17-6
2-(6-((4-Chlorobenzyl)thio)-3-oxo-[1,2,4]triazolo[4,3-b]pyridazin-2(3H)-yl)-N-(3-methoxyphenyl)acetamide
CAS 1105212-17-6C21H18ClN5O3S
2-(8-{[(4-Chlorophenyl)methyl]sulfanyl}-3-oxo-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl)-N-(4-methoxyphenyl)acetamide chemical structure, C21H18ClN5O3S, CAS 1251603-17-4
2-(8-{[(4-Chlorophenyl)methyl]sulfanyl}-3-oxo-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl)-N-(4-methoxyphenyl)acetamide
CAS 1251603-17-4C21H18ClN5O3S
N-(3-Chlorophenyl)-2-[[7-(4-ethoxyphenyl)-8-oxo-[1,2,4]triazolo[4,3-a]pyrazin-3-yl]sulfanyl]acetamide chemical structure, C21H18ClN5O3S, CAS 1223926-43-9
N-(3-Chlorophenyl)-2-[[7-(4-ethoxyphenyl)-8-oxo-[1,2,4]triazolo[4,3-a]pyrazin-3-yl]sulfanyl]acetamide
CAS 1223926-43-9C21H18ClN5O3S
N-(3-Chloro-4-methoxyphenyl)-2-{[4-(furan-2-ylmethyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C21H18ClN5O3S, CAS 577999-61-2
N-(3-Chloro-4-methoxyphenyl)-2-{[4-(furan-2-ylmethyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 577999-61-2C21H18ClN5O3S
2-((1-(4-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(2,4-dimethoxyphenyl)acetamide chemical structure, C21H18ClN5O3S, CAS 850242-37-4
2-((1-(4-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(2,4-dimethoxyphenyl)acetamide
CAS 850242-37-4C21H18ClN5O3S
N-(3-Chloro-4-methoxyphenyl)-2-{[4-(furan-2-ylmethyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C21H18ClN5O3S, CAS 587010-11-5
N-(3-Chloro-4-methoxyphenyl)-2-{[4-(furan-2-ylmethyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 587010-11-5C21H18ClN5O3S
N-(5-Chloro-2-methoxyphenyl)-2-((3-(4-methoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide chemical structure, C21H18ClN5O3S, CAS 852376-41-1
N-(5-Chloro-2-methoxyphenyl)-2-((3-(4-methoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide
CAS 852376-41-1C21H18ClN5O3S
2-((1-(3-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(2,4-dimethoxyphenyl)acetamide chemical structure, C21H18ClN5O3S, CAS 893918-86-0
2-((1-(3-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(2,4-dimethoxyphenyl)acetamide
CAS 893918-86-0C21H18ClN5O3S
N-(3-Chlorophenyl)-2-((3-(3,4-dimethoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide chemical structure, C21H18ClN5O3S, CAS 852437-46-8
N-(3-Chlorophenyl)-2-((3-(3,4-dimethoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide
CAS 852437-46-8C21H18ClN5O3S
N-(3-Chlorophenyl)-2-(7-(furan-2-yl)-4-oxo-2-(pyrrolidin-1-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide chemical structure, C21H18ClN5O3S, CAS 1105241-05-1
N-(3-Chlorophenyl)-2-(7-(furan-2-yl)-4-oxo-2-(pyrrolidin-1-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide
CAS 1105241-05-1C21H18ClN5O3S
N-(3-Chloro-4-methoxyphenyl)-2-(3-oxo-8-(m-tolylthio)-[1,2,4]triazolo[4,3-a]pyrazin-2(3H)-yl)acetamide chemical structure, C21H18ClN5O3S, CAS 1251634-56-6
N-(3-Chloro-4-methoxyphenyl)-2-(3-oxo-8-(m-tolylthio)-[1,2,4]triazolo[4,3-a]pyrazin-2(3H)-yl)acetamide
CAS 1251634-56-6C21H18ClN5O3S
N-(2-Chloro-4-methylphenyl)-2-((7-(2-methoxyphenyl)-8-oxo-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)thio)acetamide chemical structure, C21H18ClN5O3S, CAS 1223814-81-0
N-(2-Chloro-4-methylphenyl)-2-((7-(2-methoxyphenyl)-8-oxo-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)thio)acetamide
CAS 1223814-81-0C21H18ClN5O3S
N-[(4-Chlorophenyl)methyl]-2-[[7-(2-methoxyphenyl)-8-oxo-[1,2,4]triazolo[4,3-a]pyrazin-3-yl]sulfanyl]acetamide chemical structure, C21H18ClN5O3S, CAS 1223836-72-3
N-[(4-Chlorophenyl)methyl]-2-[[7-(2-methoxyphenyl)-8-oxo-[1,2,4]triazolo[4,3-a]pyrazin-3-yl]sulfanyl]acetamide
CAS 1223836-72-3C21H18ClN5O3S

Frequently asked questions

What is the molar mass of C21H18ClN5O3S?

The molar mass of C21H18ClN5O3S is 455.92 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 5 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 455.0819 Da.

How many compounds have the formula C21H18ClN5O3S?

CompoundList lists 48 compounds with the molecular formula C21H18ClN5O3S, including 2-{[5-(3-Chlorophenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)acetamide, 2-{[7-(3-Chlorobenzyl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl]sulfanyl}-N-phenylacetamide, N-(3-Chloro-4-methylphenyl)-2-((8-(4-methoxyphenyl)-(oxo)dihydropyrazolo[1,5-d][1,2,4]triazin-2-yl)thio)acetamide. 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 C21H18ClN5O3S?

C21H18ClN5O3S 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.