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Molecular formula

C18H21ClN4O3S2

15 compounds have this formula on CompoundList.

Molar mass
440.96g/mol
Monoisotopic mass
440.0744Da
Atoms
49
Elements
6
Rings plus double bonds
10

The formula C18H21ClN4O3S2 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. 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 × 1849.03%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 214.80%
    1.008 × 21 = 21.168 g/mol
  • Cl Chlorine × 18.04%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 412.71%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 310.88%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 214.54%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C18H21ClN4O3S2

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

Showing 1 to 15 of 15 compounds

5-Chloro-N-{3-[(2-methoxyethyl)carbamoyl]-4,5,6,7-tetrahydro-1-benzothiophen-2-yl}-2-(methylsulfanyl)pyrimidine-4-carboxamide chemical structure, C18H21ClN4O3S2, CAS 833434-93-8
5-Chloro-N-{3-[(2-methoxyethyl)carbamoyl]-4,5,6,7-tetrahydro-1-benzothiophen-2-yl}-2-(methylsulfanyl)pyrimidine-4-carboxamide
CAS 833434-93-8C18H21ClN4O3S2
5-Chloro-N-{4-[(4-methylpiperidin-1-yl)sulfonyl]phenyl}-2-(methylsulfanyl)pyrimidine-4-carboxamide chemical structure, C18H21ClN4O3S2, CAS 879944-86-2
5-Chloro-N-{4-[(4-methylpiperidin-1-yl)sulfonyl]phenyl}-2-(methylsulfanyl)pyrimidine-4-carboxamide
CAS 879944-86-2C18H21ClN4O3S2
5-Chloro-2-(ethylsulfanyl)-N-[4-(piperidin-1-ylsulfonyl)phenyl]pyrimidine-4-carboxamide chemical structure, C18H21ClN4O3S2, CAS 879931-24-5
5-Chloro-2-(ethylsulfanyl)-N-[4-(piperidin-1-ylsulfonyl)phenyl]pyrimidine-4-carboxamide
CAS 879931-24-5C18H21ClN4O3S2
5-Chloro-N-{4-[(3-methylpiperidin-1-yl)sulfonyl]phenyl}-2-(methylsulfanyl)pyrimidine-4-carboxamide chemical structure, C18H21ClN4O3S2, CAS 879945-30-9
5-Chloro-N-{4-[(3-methylpiperidin-1-yl)sulfonyl]phenyl}-2-(methylsulfanyl)pyrimidine-4-carboxamide
CAS 879945-30-9C18H21ClN4O3S2
N-(5-Chloro-2,4-dimethoxyphenyl)-2-{[3-(thiomorpholin-4-yl)pyrazin-2-yl]sulfanyl}acetamide chemical structure, C18H21ClN4O3S2, CAS 1030116-80-3
N-(5-Chloro-2,4-dimethoxyphenyl)-2-{[3-(thiomorpholin-4-yl)pyrazin-2-yl]sulfanyl}acetamide
CAS 1030116-80-3C18H21ClN4O3S2
5-Chloro-N-{4-[(2-methylpiperidin-1-yl)sulfonyl]phenyl}-2-(methylsulfanyl)pyrimidine-4-carboxamide chemical structure, C18H21ClN4O3S2, CAS 879945-02-5
5-Chloro-N-{4-[(2-methylpiperidin-1-yl)sulfonyl]phenyl}-2-(methylsulfanyl)pyrimidine-4-carboxamide
CAS 879945-02-5C18H21ClN4O3S2
N-[4-(Azepan-1-ylsulfonyl)phenyl]-5-chloro-2-(methylsulfanyl)pyrimidine-4-carboxamide chemical structure, C18H21ClN4O3S2, CAS 879944-70-4
N-[4-(Azepan-1-ylsulfonyl)phenyl]-5-chloro-2-(methylsulfanyl)pyrimidine-4-carboxamide
CAS 879944-70-4C18H21ClN4O3S2
Methyl 2-[(4-chloro-2,5-dimethylpyrazole-3-carbonyl)carbamothioylamino]-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate chemical structure, C18H21ClN4O3S2, CAS 494217-91-3
Methyl 2-[(4-chloro-2,5-dimethylpyrazole-3-carbonyl)carbamothioylamino]-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate
CAS 494217-91-3C18H21ClN4O3S2
Ethyl 2-[(4-chloro-2,5-dimethylpyrazole-3-carbonyl)carbamothioylamino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate chemical structure, C18H21ClN4O3S2, CAS 494218-51-8
Ethyl 2-[(4-chloro-2,5-dimethylpyrazole-3-carbonyl)carbamothioylamino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
CAS 494218-51-8C18H21ClN4O3S2
Ethyl 2-[({[(4-chloro-1-ethyl-1H-pyrazol-5-yl)carbonyl]amino}carbothioyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate chemical structure, C18H21ClN4O3S2, CAS 494218-71-2
Ethyl 2-[({[(4-chloro-1-ethyl-1H-pyrazol-5-yl)carbonyl]amino}carbothioyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
CAS 494218-71-2C18H21ClN4O3S2
N-(5-((2-((5-Chloro-2-methoxyphenyl)amino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)cyclohexanecarboxamide chemical structure, C18H21ClN4O3S2, CAS 868973-00-6
N-(5-((2-((5-Chloro-2-methoxyphenyl)amino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)cyclohexanecarboxamide
CAS 868973-00-6C18H21ClN4O3S2
2-(4-Chlorophenoxy)-N-(5-((2-(cyclohexylamino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)acetamide chemical structure, C18H21ClN4O3S2, CAS 868976-87-8
2-(4-Chlorophenoxy)-N-(5-((2-(cyclohexylamino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)acetamide
CAS 868976-87-8C18H21ClN4O3S2
1-(5-((3-Chlorophenyl)sulfonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)-3-cyclopentylurea chemical structure, C18H21ClN4O3S2, CAS 1396681-08-5
1-(5-((3-Chlorophenyl)sulfonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)-3-cyclopentylurea
CAS 1396681-08-5C18H21ClN4O3S2
Methyl 2-({[(4-chloro-1-methyl-1H-pyrazol-5-yl)carbonyl]carbamothioyl}amino)-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxylate chemical structure, C18H21ClN4O3S2, CAS 956047-80-6
Methyl 2-({[(4-chloro-1-methyl-1H-pyrazol-5-yl)carbonyl]carbamothioyl}amino)-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxylate
CAS 956047-80-6C18H21ClN4O3S2
N-(2-(Dimethylamino)ethyl)-N-(4,5-dimethylbenzo[d]thiazol-2-yl)-5-nitrothiophene-2-carboxamide hydrochloride chemical structure, C18H21ClN4O3S2, CAS 1217115-12-2
N-(2-(Dimethylamino)ethyl)-N-(4,5-dimethylbenzo[d]thiazol-2-yl)-5-nitrothiophene-2-carboxamide hydrochloride
CAS 1217115-12-2C18H21ClN4O3S2

Frequently asked questions

What is the molar mass of C18H21ClN4O3S2?

The molar mass of C18H21ClN4O3S2 is 440.96 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 440.0744 Da.

How many compounds have the formula C18H21ClN4O3S2?

CompoundList lists 15 compounds with the molecular formula C18H21ClN4O3S2, including 5-Chloro-N-{3-[(2-methoxyethyl)carbamoyl]-4,5,6,7-tetrahydro-1-benzothiophen-2-yl}-2-(methylsulfanyl)pyrimidine-4-carboxamide, 5-Chloro-N-{4-[(4-methylpiperidin-1-yl)sulfonyl]phenyl}-2-(methylsulfanyl)pyrimidine-4-carboxamide, 5-Chloro-2-(ethylsulfanyl)-N-[4-(piperidin-1-ylsulfonyl)phenyl]pyrimidine-4-carboxamide. 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 C18H21ClN4O3S2?

C18H21ClN4O3S2 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.