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Molecular formula

C21H19ClN2

9 compounds have this formula on CompoundList.

Molar mass
334.85g/mol
Monoisotopic mass
334.1237Da
Atoms
43
Elements
4
Rings plus double bonds
13

The formula C21H19ClN2 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 1 chlorine atom and 2 nitrogen 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 × 2175.33%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 195.72%
    1.008 × 19 = 19.152 g/mol
  • Cl Chlorine × 110.59%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 28.37%
    14.007 × 2 = 28.014 g/mol
Look up another formula

Compounds with the formula C21H19ClN2

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

Showing 1 to 9 of 9 compounds

1,3-Dibenzyl-1H-benzo[d]imidazol-3-ium chloride chemical structure, C21H19ClN2, CAS 36339-13-6
1,3-Dibenzyl-1H-benzo[d]imidazol-3-ium chloride
CAS 36339-13-6C21H19ClN2
2-(4-Chlorophenyl)-1,3-diphenylimidazolidine chemical structure, C21H19ClN2, CAS 73941-38-5
2-(4-Chlorophenyl)-1,3-diphenylimidazolidine
CAS 73941-38-5C21H19ClN2
2-(2-Chlorophenyl)-1,3-diphenylimidazolidine chemical structure, C21H19ClN2, CAS 94867-39-7
2-(2-Chlorophenyl)-1,3-diphenylimidazolidine
CAS 94867-39-7C21H19ClN2
Triphenylimidazoline hydrochloride chemical structure, C21H19ClN2, CAS 42078-44-4
Triphenylimidazoline hydrochloride
CAS 42078-44-4C21H19ClN2
N-(2-Ethylphenyl)acridin-9(10H)-imine--hydrogen chloride (1/1) chemical structure, C21H19ClN2, CAS 75775-80-3
N-(2-Ethylphenyl)acridin-9(10H)-imine--hydrogen chloride (1/1)
CAS 75775-80-3C21H19ClN2
Phenanthridinium, 8-amino-5-ethyl-6-phenyl-, chloride chemical structure, C21H19ClN2, CAS 74920-67-5
Phenanthridinium, 8-amino-5-ethyl-6-phenyl-, chloride
CAS 74920-67-5C21H19ClN2
4-(Acridin-9-yl)-N,N-dimethylaniline--hydrogen chloride (1/1) chemical structure, C21H19ClN2, CAS 6540-84-7
4-(Acridin-9-yl)-N,N-dimethylaniline--hydrogen chloride (1/1)
CAS 6540-84-7C21H19ClN2
6-Chloro-2-methyl-2,4-diphenyl-1,2,3,4-tetrahydroquinazoline chemical structure, C21H19ClN2, CAS 84571-54-0
6-Chloro-2-methyl-2,4-diphenyl-1,2,3,4-tetrahydroquinazoline
CAS 84571-54-0C21H19ClN2
N-(4-Ethylphenyl)acridin-9-amine, hydrochloride chemical structure, C21H19ClN2
N-(4-Ethylphenyl)acridin-9-amine, hydrochloride
C21H19ClN2

Frequently asked questions

What is the molar mass of C21H19ClN2?

The molar mass of C21H19ClN2 is 334.85 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 chlorine atom and 2 nitrogen atoms. The monoisotopic mass is 334.1237 Da.

How many compounds have the formula C21H19ClN2?

CompoundList lists 9 compounds with the molecular formula C21H19ClN2, including 1,3-Dibenzyl-1H-benzo[d]imidazol-3-ium chloride, 2-(4-Chlorophenyl)-1,3-diphenylimidazolidine, 2-(2-Chlorophenyl)-1,3-diphenylimidazolidine. 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 C21H19ClN2?

C21H19ClN2 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.