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Molecular formula

C20H18ClN3O

30 compounds have this formula on CompoundList.

Molar mass
351.83g/mol
Monoisotopic mass
351.1138Da
Atoms
43
Elements
5
Rings plus double bonds
13

The formula C20H18ClN3O describes a molecule made of 20 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 1 oxygen 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 × 2068.28%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 185.16%
    1.008 × 18 = 18.144 g/mol
  • Cl Chlorine × 110.08%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 311.94%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 14.55%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C20H18ClN3O

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-Chloro-N-[3-(2,3-dihydro-1H-inden-5-yl)-1-phenyl-1H-pyrazol-5-yl]acetamide chemical structure, C20H18ClN3O, CAS 956262-03-6
2-Chloro-N-[3-(2,3-dihydro-1H-inden-5-yl)-1-phenyl-1H-pyrazol-5-yl]acetamide
CAS 956262-03-6C20H18ClN3O
4-(4-Benzoylpiperazin-1-yl)-7-chloroquinoline chemical structure, C20H18ClN3O, CAS 161467-85-2
4-(4-Benzoylpiperazin-1-yl)-7-chloroquinoline
CAS 161467-85-2C20H18ClN3O
1-(4-Chlorophenyl)-4-(1-prop-2-enylbenzimidazol-2-yl)pyrrolidin-2-one chemical structure, C20H18ClN3O, CAS 876712-66-2
1-(4-Chlorophenyl)-4-(1-prop-2-enylbenzimidazol-2-yl)pyrrolidin-2-one
CAS 876712-66-2C20H18ClN3O
N-[2-(5-Chloro-1H-indol-3-yl)ethyl]-2-(1H-indol-3-yl)acetamide chemical structure, C20H18ClN3O, CAS 951989-52-9
N-[2-(5-Chloro-1H-indol-3-yl)ethyl]-2-(1H-indol-3-yl)acetamide
CAS 951989-52-9C20H18ClN3O
(Z)-3-(5-Chloro-2-propoxyphenyl)-2-(6-methyl-1H-benzimidazol-2-yl)prop-2-enenitrile chemical structure, C20H18ClN3O, CAS 5529-41-9
(Z)-3-(5-Chloro-2-propoxyphenyl)-2-(6-methyl-1H-benzimidazol-2-yl)prop-2-enenitrile
CAS 5529-41-9C20H18ClN3O
1-{4-[1-(4-Chlorophenyl)-1H-pyrazol-5-yl]phenyl}-3,3-dimethyl-2-azetanone chemical structure, C20H18ClN3O, CAS 321998-75-8
1-{4-[1-(4-Chlorophenyl)-1H-pyrazol-5-yl]phenyl}-3,3-dimethyl-2-azetanone
CAS 321998-75-8C20H18ClN3O
[4-[(4-Chloropyrazol-1-yl)methyl]phenyl]-(3,4-dihydro-2H-quinolin-1-yl)methanone chemical structure, C20H18ClN3O, CAS 514817-82-4
[4-[(4-Chloropyrazol-1-yl)methyl]phenyl]-(3,4-dihydro-2H-quinolin-1-yl)methanone
CAS 514817-82-4C20H18ClN3O
2-(4-Chlorophenyl)-N-(2-phenyl-2,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)acetamide chemical structure, C20H18ClN3O, CAS 1203236-24-1
2-(4-Chlorophenyl)-N-(2-phenyl-2,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)acetamide
CAS 1203236-24-1C20H18ClN3O
6-Benzyl-2-(3-chlorophenyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4(3H)-one chemical structure, C20H18ClN3O, CAS 1283274-03-2
6-Benzyl-2-(3-chlorophenyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4(3H)-one
CAS 1283274-03-2C20H18ClN3O
N-[3-(4-Chlorophenyl)-4-methyl-3H-1,5-benzodiazepin-2-yl]cyclopropanecarboxamide chemical structure, C20H18ClN3O, CAS 903429-51-6
N-[3-(4-Chlorophenyl)-4-methyl-3H-1,5-benzodiazepin-2-yl]cyclopropanecarboxamide
CAS 903429-51-6C20H18ClN3O
(3-Chlorophenyl)[2-[(1-methyl-1-phenylethyl)amino]-5-pyrimidinyl]methanone chemical structure, C20H18ClN3O, CAS 2054951-38-9
(3-Chlorophenyl)[2-[(1-methyl-1-phenylethyl)amino]-5-pyrimidinyl]methanone
CAS 2054951-38-9C20H18ClN3O
(E)-3-(5-Chloro-2-ethoxyphenyl)-2-(5,6-dimethyl-1H-benzimidazol-2-yl)prop-2-enenitrile chemical structure, C20H18ClN3O, CAS 835898-27-6
(E)-3-(5-Chloro-2-ethoxyphenyl)-2-(5,6-dimethyl-1H-benzimidazol-2-yl)prop-2-enenitrile
CAS 835898-27-6C20H18ClN3O
1-[(4-Chlorophenyl)methyl]-2-(5-propyl-1,3,4-oxadiazol-2-yl)-1H-indole chemical structure, C20H18ClN3O, CAS 946382-00-9
1-[(4-Chlorophenyl)methyl]-2-(5-propyl-1,3,4-oxadiazol-2-yl)-1H-indole
CAS 946382-00-9C20H18ClN3O
1-[(2-Chlorophenyl)methyl]-2-(5-propyl-1,3,4-oxadiazol-2-yl)-1H-indole chemical structure, C20H18ClN3O, CAS 946232-46-8
1-[(2-Chlorophenyl)methyl]-2-(5-propyl-1,3,4-oxadiazol-2-yl)-1H-indole
CAS 946232-46-8C20H18ClN3O
1-[(3-Chlorophenyl)methyl]-2-(5-propyl-1,3,4-oxadiazol-2-yl)-1H-indole chemical structure, C20H18ClN3O, CAS 946382-03-2
1-[(3-Chlorophenyl)methyl]-2-(5-propyl-1,3,4-oxadiazol-2-yl)-1H-indole
CAS 946382-03-2C20H18ClN3O
1-[(2-Chlorophenyl)methyl]-2-[5-(propan-2-yl)-1,3,4-oxadiazol-2-yl]-1H-indole chemical structure, C20H18ClN3O, CAS 946279-90-9
1-[(2-Chlorophenyl)methyl]-2-[5-(propan-2-yl)-1,3,4-oxadiazol-2-yl]-1H-indole
CAS 946279-90-9C20H18ClN3O
2-(2-Chlorophenyl)-N-(3-(6,7-dihydro-5H-pyrrolo[1,2-a]imidazol-3-yl)phenyl)acetamide chemical structure, C20H18ClN3O, CAS 1396810-02-8
2-(2-Chlorophenyl)-N-(3-(6,7-dihydro-5H-pyrrolo[1,2-a]imidazol-3-yl)phenyl)acetamide
CAS 1396810-02-8C20H18ClN3O
N-(3-Chlorophenyl)-1-phenyl-1H,2H,3H,4H-pyrrolo[1,2-a]pyrazine-2-carboxamide chemical structure, C20H18ClN3O, CAS 900012-12-6
N-(3-Chlorophenyl)-1-phenyl-1H,2H,3H,4H-pyrrolo[1,2-a]pyrazine-2-carboxamide
CAS 900012-12-6C20H18ClN3O
N-(4-Chlorophenyl)-1-phenyl-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide chemical structure, C20H18ClN3O, CAS 899959-58-1
N-(4-Chlorophenyl)-1-phenyl-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide
CAS 899959-58-1C20H18ClN3O
1-(4-Chlorophenyl)-N-phenyl-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide chemical structure, C20H18ClN3O, CAS 899750-01-7
1-(4-Chlorophenyl)-N-phenyl-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide
CAS 899750-01-7C20H18ClN3O
N-[2-(5-Chloro-1H-indol-3-yl)ethyl]-1-methyl-1H-indole-5-carboxamide chemical structure, C20H18ClN3O, CAS 1190286-26-0
N-[2-(5-Chloro-1H-indol-3-yl)ethyl]-1-methyl-1H-indole-5-carboxamide
CAS 1190286-26-0C20H18ClN3O
2-(6-Chloro-1H-indol-1-yl)-N-[2-(1H-indol-3-yl)ethyl]acetamide chemical structure, C20H18ClN3O, CAS 1219542-40-1
2-(6-Chloro-1H-indol-1-yl)-N-[2-(1H-indol-3-yl)ethyl]acetamide
CAS 1219542-40-1C20H18ClN3O
2-(4-Chloro-1H-indol-1-yl)-N-[2-(1H-indol-3-yl)ethyl]acetamide chemical structure, C20H18ClN3O, CAS 1219586-51-2
2-(4-Chloro-1H-indol-1-yl)-N-[2-(1H-indol-3-yl)ethyl]acetamide
CAS 1219586-51-2C20H18ClN3O
N-[2-(5-Chloro-1H-indol-3-yl)ethyl]-1-methyl-1H-indole-3-carboxamide chemical structure, C20H18ClN3O, CAS 1219549-78-6
N-[2-(5-Chloro-1H-indol-3-yl)ethyl]-1-methyl-1H-indole-3-carboxamide
CAS 1219549-78-6C20H18ClN3O

Frequently asked questions

What is the molar mass of C20H18ClN3O?

The molar mass of C20H18ClN3O is 351.83 g/mol, calculated from standard atomic weights for 20 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 351.1138 Da.

How many compounds have the formula C20H18ClN3O?

CompoundList lists 30 compounds with the molecular formula C20H18ClN3O, including 2-Chloro-N-[3-(2,3-dihydro-1H-inden-5-yl)-1-phenyl-1H-pyrazol-5-yl]acetamide, 4-(4-Benzoylpiperazin-1-yl)-7-chloroquinoline, 1-(4-Chlorophenyl)-4-(1-prop-2-enylbenzimidazol-2-yl)pyrrolidin-2-one. 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 C20H18ClN3O?

C20H18ClN3O has a degree of unsaturation of 13. 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.