Molecular formula

C₂₀H₂₁ClN₂

26 compounds have this formula on CompoundList.

Molar mass: 324.85g/mol
Monoisotopic mass: 324.1393Da
Atoms: 44
Elements: 4
Rings plus double bonds: 11

The formula C20H21ClN2 describes a molecule made of 20 carbon atoms, 21 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 × 2073.95%
12.011 × 20 = 240.220 g/mol
H Hydrogen × 216.52%
1.008 × 21 = 21.168 g/mol
Cl Chlorine × 110.91%
35.45 × 1 = 35.450 g/mol
N Nitrogen × 28.62%
14.007 × 2 = 28.014 g/mol

Look up another formula

Compounds with the formula C20H21ClN2

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

Showing 1 to 26 of 26 compounds

N-Methyldesloratadine

CAS 38092-89-6C₂₀H₂₁ClN₂

Milverine hydrochloride

CAS 29769-70-8C₂₀H₂₁ClN₂

(1-Benzyl-4-piperidinylidene)(phenyl)acetonitrile hydrochloride

CAS 6599-09-3C₂₀H₂₁ClN₂

2-Pyridinamine, N-(3,3-diphenylpropyl)-, monohydrochloride

CAS 77038-58-5C₂₀H₂₁ClN₂

3-Pyridinamine, N-(3,3-diphenylpropyl)-, monohydrochloride

CAS 77038-69-8C₂₀H₂₁ClN₂

1H-Pyrazino(3,2,1-jk)carbazole, 2,3,3a,4,5,6-hexahydro-8-phenyl-, monohydrochloride

CAS 134285-30-6C₂₀H₂₁ClN₂

N-Methyl iso desloratadine

CAS 183198-48-3C₂₀H₂₁ClN₂

8-Dechloro-9-chloro-N-methyl Desloratadine

CAS 38092-88-5C₂₀H₂₁ClN₂

4-{(E)-2-[4-(Dimethylamino)phenyl]ethenyl}-1-methylquinolin-1-ium chloride

CAS 5397-60-4C₂₀H₂₁ClN₂

1-Benzyl-6-chloro-3-piperidin-4-yl-1H-indole

CAS 935678-73-2C₂₀H₂₁ClN₂

8-Dechloro-10-chloro-N-methyl Desloratadine

CAS 38092-90-9C₂₀H₂₁ClN₂

Isoquinoline, 1-phenyl-3-(4-piperidinyl)-, hydrochloride

CAS 92124-10-2C₂₀H₂₁ClN₂

1H-Indole-3-methanamine, 2-(4-chlorophenyl)-N-cyclopentyl-

CAS 52258-24-9C₂₀H₂₁ClN₂

8-Dechloro-7-chloro-N-methyl Desloratadine

CAS 1346600-30-3C₂₀H₂₁ClN₂

3-[Chloro(cyclohexyl)methyl]-1-phenyl-1H-indazole

CAS 1186539-98-9C₂₀H₂₁ClN₂

1-Benzyl-3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indole hydrochloride

CAS 1557507-14-8C₂₀H₂₁ClN₂

1H-Pyrrole-3-methanamine, 5-(4-chlorophenyl)-N,N,2-trimethyl-1-phenyl-

CAS 146204-64-0C₂₀H₂₁ClN₂

N-((2-Chloro-6,7-dimethylquinolin-3-yl)methyl)-2-phenylethanamine

CAS 917748-07-3C₂₀H₂₁ClN₂

6-[1-(4-Chlorophenyl)cyclobutyl]-3,4-dicyclopropylpyridazine

CAS 918873-42-4C₂₀H₂₁ClN₂

1-(4-(2-Chloroethyl)phenyl)-2-isopropyl-4-phenyl-1H-imidazole

CAS 616893-56-2C₂₀H₂₁ClN₂

N-Benzyl-3-chloro-N-methyl-6,7,8,9-tetrahydropyrido[1,2-a]indol-7-amine

CAS 1403367-89-4C₂₀H₂₁ClN₂

N-Benzyl-2-chloro-N-methyl-6,7,8,9-tetrahydropyrido[1,2-a]indol-7-amine

CAS 1403367-84-9C₂₀H₂₁ClN₂

2-Chloro-10-methyl-9-(1-methylpiperidin-4-ylidene)-9,10-dihydroacridine

CAS 51582-55-9C₂₀H₂₁ClN₂

N-((3-((Phenylimino)methyl)cyclohex-2-en-1-ylidene)methyl)aniline hydrochloride

CAS 33148-94-6C₂₀H₂₁ClN₂

Frequently asked questions

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What is the molar mass of C20H21ClN2?

The molar mass of C20H21ClN2 is 324.85 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 1 chlorine atom and 2 nitrogen atoms. The monoisotopic mass is 324.1393 Da.

How many compounds have the formula C20H21ClN2?

CompoundList lists 26 compounds with the molecular formula C20H21ClN2, including N-Methyldesloratadine, Milverine hydrochloride, (1-Benzyl-4-piperidinylidene)(phenyl)acetonitrile hydrochloride. 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 C20H21ClN2?

C20H21ClN2 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.