CompoundList
Molecular formula

C21H17ClN2O

27 compounds have this formula on CompoundList.

Molar mass
348.83g/mol
Monoisotopic mass
348.1029Da
Atoms
42
Elements
5
Rings plus double bonds
14

The formula C21H17ClN2O describes a molecule made of 21 carbon atoms, 17 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 × 2172.31%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 174.91%
    1.008 × 17 = 17.136 g/mol
  • Cl Chlorine × 110.16%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 28.03%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 14.59%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C21H17ClN2O

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

Showing 1 to 27 of 27 compounds

(E)-N-Benzyl-3-(4-chlorophenyl)-N-pyridin-2-ylprop-2-enamide chemical structure, C21H17ClN2O, CAS 587844-75-5
(E)-N-Benzyl-3-(4-chlorophenyl)-N-pyridin-2-ylprop-2-enamide
CAS 587844-75-5C21H17ClN2O
3-Benzyl-2-(4-chlorophenyl)-2,3-dihydroquinazolin-4(1H)-one chemical structure, C21H17ClN2O, CAS 6138-92-7
3-Benzyl-2-(4-chlorophenyl)-2,3-dihydroquinazolin-4(1H)-one
CAS 6138-92-7C21H17ClN2O
1,3-Dibenzyl-5-chlorobenzimidazol-2-one chemical structure, C21H17ClN2O, CAS 5357-09-5
1,3-Dibenzyl-5-chlorobenzimidazol-2-one
CAS 5357-09-5C21H17ClN2O
2-Chloro-N-(9-ethylcarbazol-3-yl)benzamide chemical structure, C21H17ClN2O, CAS 416878-86-9
2-Chloro-N-(9-ethylcarbazol-3-yl)benzamide
CAS 416878-86-9C21H17ClN2O
1-[(2-Chlorophenyl)methyl]-2-(phenoxymethyl)benzimidazole chemical structure, C21H17ClN2O, CAS 443328-77-6
1-[(2-Chlorophenyl)methyl]-2-(phenoxymethyl)benzimidazole
CAS 443328-77-6C21H17ClN2O
6-Chloro-2-methoxy-N-(4-methylphenyl)acridin-9-amine chemical structure, C21H17ClN2O, CAS 143251-33-6
6-Chloro-2-methoxy-N-(4-methylphenyl)acridin-9-amine
CAS 143251-33-6C21H17ClN2O
1-Benzyl-2-[(4-chlorophenoxy)methyl]benzimidazole chemical structure, C21H17ClN2O, CAS 612049-70-4
1-Benzyl-2-[(4-chlorophenoxy)methyl]benzimidazole
CAS 612049-70-4C21H17ClN2O
1-[(2-Chlorophenyl)methyl]-2-(4-methoxyphenyl)benzimidazole chemical structure, C21H17ClN2O, CAS 431932-43-3
1-[(2-Chlorophenyl)methyl]-2-(4-methoxyphenyl)benzimidazole
CAS 431932-43-3C21H17ClN2O
2-[5-(4-Chlorophenyl)-4,5-dihydro-1-phenyl-1H-pyrazol-3-yl]phenol chemical structure, C21H17ClN2O, CAS 86691-08-9
2-[5-(4-Chlorophenyl)-4,5-dihydro-1-phenyl-1H-pyrazol-3-yl]phenol
CAS 86691-08-9C21H17ClN2O
4-[2-(4-Chlorophenyl)acetyl]-1-(2-methylbenzyl)-1H-pyrrole-2-carbonitrile chemical structure, C21H17ClN2O, CAS 439108-40-4
4-[2-(4-Chlorophenyl)acetyl]-1-(2-methylbenzyl)-1H-pyrrole-2-carbonitrile
CAS 439108-40-4C21H17ClN2O
[1-[(2-Chlorophenyl)methyl]benzimidazol-2-yl]-phenylmethanol chemical structure, C21H17ClN2O, CAS 708285-65-8
[1-[(2-Chlorophenyl)methyl]benzimidazol-2-yl]-phenylmethanol
CAS 708285-65-8C21H17ClN2O
RefChem:382800 chemical structure, C21H17ClN2O, CAS 53703-85-8
RefChem:382800
CAS 53703-85-8C21H17ClN2O
[1-[(3-Chlorophenyl)methyl]benzimidazol-2-yl]-phenylmethanol chemical structure, C21H17ClN2O, CAS 709001-74-1
[1-[(3-Chlorophenyl)methyl]benzimidazol-2-yl]-phenylmethanol
CAS 709001-74-1C21H17ClN2O
2-Chloro-1-[3-(naphthalen-2-yl)-5-phenyl-4,5-dihydro-1H-pyrazol-1-yl]ethan-1-one chemical structure, C21H17ClN2O, CAS 380196-86-1
2-Chloro-1-[3-(naphthalen-2-yl)-5-phenyl-4,5-dihydro-1H-pyrazol-1-yl]ethan-1-one
CAS 380196-86-1C21H17ClN2O
4-Chloro-N-(9-ethyl-9H-carbazol-3-yl)benzamide chemical structure, C21H17ClN2O, CAS 289498-69-7
4-Chloro-N-(9-ethyl-9H-carbazol-3-yl)benzamide
CAS 289498-69-7C21H17ClN2O
4-Chloro-N-(10,11-dihydro-5H-dibenzo[B,F]azepin-5-yl)benzamide chemical structure, C21H17ClN2O, CAS 35079-08-4
4-Chloro-N-(10,11-dihydro-5H-dibenzo[B,F]azepin-5-yl)benzamide
CAS 35079-08-4C21H17ClN2O
1-[(2-Chlorobenzyl)oxy]-2-(4-methylphenyl)-1H-1,3-benzimidazole chemical structure, C21H17ClN2O, CAS 339009-67-5
1-[(2-Chlorobenzyl)oxy]-2-(4-methylphenyl)-1H-1,3-benzimidazole
CAS 339009-67-5C21H17ClN2O
2-(4-Chlorophenyl)-1-[(4-methylbenzyl)oxy]-1H-1,3-benzimidazole chemical structure, C21H17ClN2O, CAS 338791-33-6
2-(4-Chlorophenyl)-1-[(4-methylbenzyl)oxy]-1H-1,3-benzimidazole
CAS 338791-33-6C21H17ClN2O
2-(2-Chlorophenyl)-1-(5-(pyridin-4-yl)indolin-1-yl)ethanone chemical structure, C21H17ClN2O, CAS 2034613-65-3
2-(2-Chlorophenyl)-1-(5-(pyridin-4-yl)indolin-1-yl)ethanone
CAS 2034613-65-3C21H17ClN2O
N-(4-Chloropyridin-2-yl)-2,2-diphenylcyclopropanecarboxamide chemical structure, C21H17ClN2O, CAS 340295-07-0
N-(4-Chloropyridin-2-yl)-2,2-diphenylcyclopropanecarboxamide
CAS 340295-07-0C21H17ClN2O
2-(2-Chlorophenyl)-3-(4-methylphenyl)-1,2-dihydroquinazolin-4-one chemical structure, C21H17ClN2O, CAS 428504-25-0
2-(2-Chlorophenyl)-3-(4-methylphenyl)-1,2-dihydroquinazolin-4-one
CAS 428504-25-0C21H17ClN2O
6-Chloro-1-[(4-methylbenzyl)oxy]-2-phenyl-1H-1,3-benzimidazole chemical structure, C21H17ClN2O, CAS 338978-67-9
6-Chloro-1-[(4-methylbenzyl)oxy]-2-phenyl-1H-1,3-benzimidazole
CAS 338978-67-9C21H17ClN2O
4-Chloro-3-methyl-1,6-diphenyl-6,7-dihydro-1H-indazole-5-carbaldehyde chemical structure, C21H17ClN2O, CAS 39239-25-3
4-Chloro-3-methyl-1,6-diphenyl-6,7-dihydro-1H-indazole-5-carbaldehyde
CAS 39239-25-3C21H17ClN2O
Ethanone, 1-(4-(9-acridinylamino)phenyl)-, monohydrochloride chemical structure, C21H17ClN2O, CAS 64895-32-5
Ethanone, 1-(4-(9-acridinylamino)phenyl)-, monohydrochloride
CAS 64895-32-5C21H17ClN2O

Frequently asked questions

What is the molar mass of C21H17ClN2O?

The molar mass of C21H17ClN2O is 348.83 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 348.1029 Da.

How many compounds have the formula C21H17ClN2O?

CompoundList lists 27 compounds with the molecular formula C21H17ClN2O, including (E)-N-Benzyl-3-(4-chlorophenyl)-N-pyridin-2-ylprop-2-enamide, 3-Benzyl-2-(4-chlorophenyl)-2,3-dihydroquinazolin-4(1H)-one, 1,3-Dibenzyl-5-chlorobenzimidazol-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 C21H17ClN2O?

C21H17ClN2O 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.