CompoundList
Molecular formula

C20H21ClN2O

46 compounds have this formula on CompoundList.

Molar mass
340.85g/mol
Monoisotopic mass
340.1342Da
Atoms
45
Elements
5
Rings plus double bonds
11

The formula C20H21ClN2O describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 2 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 × 2070.48%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 216.21%
    1.008 × 21 = 21.168 g/mol
  • Cl Chlorine × 110.40%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 28.22%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 14.69%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C20H21ClN2O

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

Showing 1 to 46 of 46 compounds

4-(4-Chlorophenyl)-1-(1H-indol-3-ylmethyl)piperidin-4-ol chemical structure, C20H21ClN2O, CAS 81226-60-0
4-(4-Chlorophenyl)-1-(1H-indol-3-ylmethyl)piperidin-4-ol
CAS 81226-60-0C20H21ClN2O
(2E)-1-(4-Benzylpiperazin-1-yl)-3-(4-chlorophenyl)prop-2-en-1-one chemical structure, C20H21ClN2O, CAS 322763-77-9
(2E)-1-(4-Benzylpiperazin-1-yl)-3-(4-chlorophenyl)prop-2-en-1-one
CAS 322763-77-9C20H21ClN2O
3-(4-Chlorophenyl)-N-[4-(1-piperidinyl)phenyl]acrylamide chemical structure, C20H21ClN2O, CAS 6011-49-0
3-(4-Chlorophenyl)-N-[4-(1-piperidinyl)phenyl]acrylamide
CAS 6011-49-0C20H21ClN2O
6-Chloro-N-(2-phenoxyethyl)-2,3,4,9-tetrahydro-1H-carbazol-1-amine chemical structure, C20H21ClN2O, CAS 121593-98-4
6-Chloro-N-(2-phenoxyethyl)-2,3,4,9-tetrahydro-1H-carbazol-1-amine
CAS 121593-98-4C20H21ClN2O
2H-1,4-Benzodiazepin-2-one, 7-chloro-1,3,4,5-tetrahydro-4-(3-methyl-2-butenyl)-3-phenyl- chemical structure, C20H21ClN2O, CAS 258850-06-5
2H-1,4-Benzodiazepin-2-one, 7-chloro-1,3,4,5-tetrahydro-4-(3-methyl-2-butenyl)-3-phenyl-
CAS 258850-06-5C20H21ClN2O
4-(2-Chlorophenyl)-1-[(1H-indol-3-yl)methyl]piperidin-4-ol chemical structure, C20H21ClN2O, CAS 925217-83-0
4-(2-Chlorophenyl)-1-[(1H-indol-3-yl)methyl]piperidin-4-ol
CAS 925217-83-0C20H21ClN2O
4-(3-Chlorophenyl)-1-[(1H-indol-3-yl)methyl]piperidin-4-ol chemical structure, C20H21ClN2O, CAS 925217-85-2
4-(3-Chlorophenyl)-1-[(1H-indol-3-yl)methyl]piperidin-4-ol
CAS 925217-85-2C20H21ClN2O
1-((1H-Indol-3-yl)methyl)-3-(4-chlorophenyl)piperidin-3-ol chemical structure, C20H21ClN2O, CAS 925217-95-4
1-((1H-Indol-3-yl)methyl)-3-(4-chlorophenyl)piperidin-3-ol
CAS 925217-95-4C20H21ClN2O
4-(4-Chlorophenyl)-1-[(1H-indol-2-yl)methyl]piperidin-4-ol chemical structure, C20H21ClN2O, CAS 925218-16-2
4-(4-Chlorophenyl)-1-[(1H-indol-2-yl)methyl]piperidin-4-ol
CAS 925218-16-2C20H21ClN2O
3-(1-Adamantyl)-1-phenyl-1H-pyrazole-4-carbonyl chloride chemical structure, C20H21ClN2O, CAS 959033-82-0
3-(1-Adamantyl)-1-phenyl-1H-pyrazole-4-carbonyl chloride
CAS 959033-82-0C20H21ClN2O
1-(4-Chlorobenzoyl)-4-[(2E)-3-phenylprop-2-en-1-yl]piperazine chemical structure, C20H21ClN2O, CAS 219988-95-1
1-(4-Chlorobenzoyl)-4-[(2E)-3-phenylprop-2-en-1-yl]piperazine
CAS 219988-95-1C20H21ClN2O
2-(3'-(4-Dimethylaminophenyl)-2'-propenyliden)-3-hydroxymethyl-2H-indolenine chemical structure, C20H21ClN2O, CAS 124530-40-1
2-(3'-(4-Dimethylaminophenyl)-2'-propenyliden)-3-hydroxymethyl-2H-indolenine
CAS 124530-40-1C20H21ClN2O
[2-[6-(3-Chlorophenyl)-3-pyridinyl]pyrrolidin-1-yl]-cyclobutylmethanone chemical structure, C20H21ClN2O, CAS 1332336-36-3
[2-[6-(3-Chlorophenyl)-3-pyridinyl]pyrrolidin-1-yl]-cyclobutylmethanone
CAS 1332336-36-3C20H21ClN2O
N-(4-Chlorophenyl)-2,2,4,6-tetramethylquinoline-1(2H)-carboxamide chemical structure, C20H21ClN2O, CAS 351469-40-4
N-(4-Chlorophenyl)-2,2,4,6-tetramethylquinoline-1(2H)-carboxamide
CAS 351469-40-4C20H21ClN2O
(2E)-1-[4-(4-Chlorophenyl)piperazin-1-yl]-3-(4-methylphenyl)prop-2-en-1-one chemical structure, C20H21ClN2O, CAS 5695-41-0
(2E)-1-[4-(4-Chlorophenyl)piperazin-1-yl]-3-(4-methylphenyl)prop-2-en-1-one
CAS 5695-41-0C20H21ClN2O
3-Methoxy desloratadine chemical structure, C20H21ClN2O, CAS 165739-63-9
3-Methoxy desloratadine
CAS 165739-63-9C20H21ClN2O
N-(4-Chlorophenyl)-2,2,4,7-tetramethylquinoline-1(2H)-carboxamide chemical structure, C20H21ClN2O, CAS 351469-35-7
N-(4-Chlorophenyl)-2,2,4,7-tetramethylquinoline-1(2H)-carboxamide
CAS 351469-35-7C20H21ClN2O
Piperazine, 1-(3-(4-chlorophenyl)-2-methyl-1-oxo-2-propenyl)-4-phenyl- chemical structure, C20H21ClN2O, CAS 76691-21-9
Piperazine, 1-(3-(4-chlorophenyl)-2-methyl-1-oxo-2-propenyl)-4-phenyl-
CAS 76691-21-9C20H21ClN2O
(E)-1-[4-(5-Chloro-2-methylphenyl)piperazin-1-yl]-3-phenylprop-2-en-1-one chemical structure, C20H21ClN2O, CAS 1025579-33-2
(E)-1-[4-(5-Chloro-2-methylphenyl)piperazin-1-yl]-3-phenylprop-2-en-1-one
CAS 1025579-33-2C20H21ClN2O
8-Chloro-11-(1-methyl-4-piperidinyl)-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol chemical structure, C20H21ClN2O, CAS 117811-17-3
8-Chloro-11-(1-methyl-4-piperidinyl)-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol
CAS 117811-17-3C20H21ClN2O
N-{4-[Benzyl(methyl)amino]but-2-yn-1-yl}-2-(2-chlorophenyl)acetamide chemical structure, C20H21ClN2O, CAS 1396843-37-0
N-{4-[Benzyl(methyl)amino]but-2-yn-1-yl}-2-(2-chlorophenyl)acetamide
CAS 1396843-37-0C20H21ClN2O
Isoquino(2,1-d)(1,4)benzodiazepin-6(7H)-one, 5,9,10,14b-tetrahydro-2-chloro-5-propyl- chemical structure, C20H21ClN2O, CAS 10256-58-3
Isoquino(2,1-d)(1,4)benzodiazepin-6(7H)-one, 5,9,10,14b-tetrahydro-2-chloro-5-propyl-
CAS 10256-58-3C20H21ClN2O
Propiophenone, 2-(1-imidazolyl)-4'-phenethyl-, hydrochloride chemical structure, C20H21ClN2O, CAS 73932-09-9
Propiophenone, 2-(1-imidazolyl)-4'-phenethyl-, hydrochloride
CAS 73932-09-9C20H21ClN2O
Chlorocitalopram chemical structure, C20H21ClN2O, CAS 64169-57-9
Chlorocitalopram
CAS 64169-57-9C20H21ClN2O

Frequently asked questions

What is the molar mass of C20H21ClN2O?

The molar mass of C20H21ClN2O is 340.85 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 340.1342 Da.

How many compounds have the formula C20H21ClN2O?

CompoundList lists 46 compounds with the molecular formula C20H21ClN2O, including 4-(4-Chlorophenyl)-1-(1H-indol-3-ylmethyl)piperidin-4-ol, (2E)-1-(4-Benzylpiperazin-1-yl)-3-(4-chlorophenyl)prop-2-en-1-one, 3-(4-Chlorophenyl)-N-[4-(1-piperidinyl)phenyl]acrylamide. 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 C20H21ClN2O?

C20H21ClN2O has a degree of unsaturation of 11. 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.