Molecular formula

C₂₁H₂₈Cl₂N₂O₂

19 compounds have this formula on CompoundList.

Molar mass: 411.37g/mol
Monoisotopic mass: 410.1528Da
Atoms: 55
Elements: 5
Rings plus double bonds: 8

The formula C21H28Cl2N2O2 describes a molecule made of 21 carbon atoms, 28 hydrogen atoms, 2 chlorine atoms, 2 nitrogen atoms and 2 oxygen 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 × 2161.32%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 286.86%
1.008 × 28 = 28.224 g/mol
Cl Chlorine × 217.24%
35.45 × 2 = 70.900 g/mol
N Nitrogen × 26.81%
14.007 × 2 = 28.014 g/mol
O Oxygen × 27.78%
15.999 × 2 = 31.998 g/mol

Look up another formula

Compounds with the formula C21H28Cl2N2O2

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

Showing 1 to 19 of 19 compounds

Hydroxyzine monohydrochloride

CAS 1244-76-4C₂₁H₂₈Cl₂N₂O₂

Acetophenone, 2'-(3-(4-phenyl-1-piperazinyl)propoxy)-, dihydrochloride

CAS 65976-17-2C₂₁H₂₈Cl₂N₂O₂

Acetic acid, diphenyl-, 2-(4-methyl-1-piperazinyl)ethyl ester, dihydrochloride

CAS 110530-52-4C₂₁H₂₈Cl₂N₂O₂

2-Propanone, 1-(4-(2-phenoxyethyl)-1-piperazinyl)-1-phenyl-, dihydrochloride

CAS 65489-04-5C₂₁H₂₈Cl₂N₂O₂

Propiophenone, 4'-(2-(4-phenyl-1-piperazinyl)ethoxy)-, dihydrochloride

CAS 65976-25-2C₂₁H₂₈Cl₂N₂O₂

1-(Benzyloxy)-3-(4-(5-chloro-2-methylphenyl)piperazin-1-yl)propan-2-ol hydrochloride

CAS 1323342-20-6C₂₁H₂₈Cl₂N₂O₂

Piperazine, 1-((3,4-dihydro-2H-1-benzopyran-3-yl)methyl)-4-(2-methoxyphenyl)-, dihydrochloride

CAS 83823-46-5C₂₁H₂₈Cl₂N₂O₂

Ethyl 4-(phenylamino)-1-(phenylmethyl)-4-piperidinecarboxylate dihydrochloride

CAS 61085-61-8C₂₁H₂₈Cl₂N₂O₂

1-[4-(3-Chlorophenyl)piperazin-1-yl]-3-(2,4-dimethylphenoxy)propan-2-ol hydrochloride

CAS 1215621-96-7C₂₁H₂₈Cl₂N₂O₂

1-[4-(3-Chlorophenyl)piperazin-1-yl]-3-(2,5-dimethylphenoxy)propan-2-ol hydrochloride

CAS 1219208-85-1C₂₁H₂₈Cl₂N₂O₂

1-[4-(3-Chlorophenyl)piperazin-1-yl]-3-(4-ethylphenoxy)propan-2-ol hydrochloride

CAS 1216712-63-8C₂₁H₂₈Cl₂N₂O₂

1-(4-(3-Chlorophenyl)piperazin-1-yl)-3-(3,4-dimethylphenoxy)propan-2-ol hydrochloride

CAS 1215813-64-1C₂₁H₂₈Cl₂N₂O₂

1-(4-(3-Chlorophenyl)piperazin-1-yl)-3-(3,5-dimethylphenoxy)propan-2-ol hydrochloride

CAS 1217008-87-1C₂₁H₂₈Cl₂N₂O₂

1-[4-(5-Chloro-2-methylphenyl)piperazin-1-yl]-3-(4-methylphenoxy)propan-2-ol hydrochloride

CAS 1215522-72-7C₂₁H₂₈Cl₂N₂O₂

Hydroxyzine monohydrochloride, (R)-

CAS 1078131-60-8C₂₁H₂₈Cl₂N₂O₂

Acetanilide, 2-(diethylamino)-2'-methyl-N-(2-(p-chlorophenoxy)ethyl)-, hydrochloride

CAS 61072-16-0C₂₁H₂₈Cl₂N₂O₂

Apoquinine, ethyl-, dihydrochloride

CAS 64046-95-3C₂₁H₂₈Cl₂N₂O₂

Hydroxyzine monohydrochloride, (S)-

CAS 1078131-61-9C₂₁H₂₈Cl₂N₂O₂

Ajmalan-17(R),21alpha-diol, compound with dichloromethane (1:1)

CAS 66121-34-4C₂₁H₂₈Cl₂N₂O₂

Frequently asked questions

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What is the molar mass of C21H28Cl2N2O2?

The molar mass of C21H28Cl2N2O2 is 411.37 g/mol, calculated from standard atomic weights for 21 carbon atoms, 28 hydrogen atoms, 2 chlorine atoms, 2 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 410.1528 Da.

How many compounds have the formula C21H28Cl2N2O2?

CompoundList lists 19 compounds with the molecular formula C21H28Cl2N2O2, including Hydroxyzine monohydrochloride, Acetophenone, 2'-(3-(4-phenyl-1-piperazinyl)propoxy)-, dihydrochloride, Acetic acid, diphenyl-, 2-(4-methyl-1-piperazinyl)ethyl ester, dihydrochloride. 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 C21H28Cl2N2O2?

C21H28Cl2N2O2 has a degree of unsaturation of 8. 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.