Molecular formula

C₂₁H₂₀Cl₂N₂O₄

16 compounds have this formula on CompoundList.

Molar mass: 435.30g/mol
Monoisotopic mass: 434.0800Da
Atoms: 49
Elements: 5
Rings plus double bonds: 12

The formula C21H20Cl2N2O4 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 chlorine atoms, 2 nitrogen atoms and 4 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 × 2157.94%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 204.63%
1.008 × 20 = 20.160 g/mol
Cl Chlorine × 216.29%
35.45 × 2 = 70.900 g/mol
N Nitrogen × 26.44%
14.007 × 2 = 28.014 g/mol
O Oxygen × 414.70%
15.999 × 4 = 63.996 g/mol

Look up another formula

Compounds with the formula C21H20Cl2N2O4

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

Showing 1 to 16 of 16 compounds

3,3'-((3,4-Dichlorophenyl)methylene)bis(4-hydroxy-1,6-dimethylpyridin-2(1H)-one)

CAS 883085-41-4C₂₁H₂₀Cl₂N₂O₄

2-(2,4-Dichlorophenoxy)-N-(1-(tetrahydrofuran-2-carbonyl)indolin-6-yl)acetamide

CAS 1040657-80-4C₂₁H₂₀Cl₂N₂O₄

2H-1,4-Benzodiazepin-2-one, 1,3-dihydro-7-chloro-5-(o-chlorophenyl)-3-((2,2-dimethyl-1,3-dioxolan-4-yl)methoxy)-

CAS 56057-74-0C₂₁H₂₀Cl₂N₂O₄

Ethyl1-(3-(4-chlorophenoxy)-2-hydroxypropyl)-3-(4-chlorophenyl)-1H-pyrazole-5-carboxylate

CAS 918879-63-7C₂₁H₂₀Cl₂N₂O₄

3-(2,6-Dichlorophenyl)-N-[2-(3,4-dimethoxyphenyl)ethyl]-5-methyl-1,2-oxazole-4-carboxamide

CAS 217317-66-3C₂₁H₂₀Cl₂N₂O₄

2-(5,6-Dichloro-1,3-dioxoisoindol-2-yl)-N-(4-methoxyphenyl)hexanamide

CAS 355422-54-7C₂₁H₂₀Cl₂N₂O₄

N-[4-(2,4-Dichlorophenoxy)butanoyl]tryptophan

CAS 5447-10-9C₂₁H₂₀Cl₂N₂O₄

Methyl 4-(4-chlorophenyl)-2-{[(4-chlorophenyl)carbamoyl]amino}-5,5-dimethyl-4,5-dihydrofuran-3-carboxylate

CAS 21863-92-3C₂₁H₂₀Cl₂N₂O₄

3,3'-((2,4-Dichlorophenyl)methylene)bis(4-hydroxy-1,6-dimethylpyridin-2(1H)-one)

CAS 883085-83-4C₂₁H₂₀Cl₂N₂O₄

(5Z)-5-[(3-Chloro-4,5-diethoxyphenyl)methylidene]-3-[(4-chlorophenyl)methyl]imidazolidine-2,4-dione

CAS 431929-68-9C₂₁H₂₀Cl₂N₂O₄

Ethyl 5-[2-(5,7-dichloro-2-methylquinolin-8-yl)oxyacetyl]-2,4-dimethyl-1H-pyrrole-3-carboxylate

CAS 5635-11-0C₂₁H₂₀Cl₂N₂O₄

N-(3,4-Dichlorophenyl)-2-{[2-(2-ethoxyethyl)-1-oxo-1,2-dihydroisoquinolin-5-yl]oxy}acetamide

CAS 898431-47-5C₂₁H₂₀Cl₂N₂O₄

{[1-(2-Chlorophenyl)-2-oxocyclohexyl](methyl)carbamoyl}methyl 2-chloropyridine-3-carboxylate

CAS 1036118-82-7C₂₁H₂₀Cl₂N₂O₄

Benzyl 3-(2,4-dichlorophenyl)-2-oxo-1-oxa-3,8-diazaspiro[4.5]decane-8-carboxylate

CAS 1354448-61-5C₂₁H₂₀Cl₂N₂O₄

N,N'-[Methylenebis(2-chloro-4,1-phenylene)]bis(N-acetylacetamide)

CAS 62477-16-1C₂₁H₂₀Cl₂N₂O₄

N,N'-[Methylenebis(3-chloro-4,1-phenylene)]bis(N-acetylacetamide)

CAS 62715-87-1C₂₁H₂₀Cl₂N₂O₄

Frequently asked questions

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What is the molar mass of C21H20Cl2N2O4?

The molar mass of C21H20Cl2N2O4 is 435.30 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 chlorine atoms, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 434.0800 Da.

How many compounds have the formula C21H20Cl2N2O4?

CompoundList lists 16 compounds with the molecular formula C21H20Cl2N2O4, including 3,3'-((3,4-Dichlorophenyl)methylene)bis(4-hydroxy-1,6-dimethylpyridin-2(1H)-one), 2-(2,4-Dichlorophenoxy)-N-(1-(tetrahydrofuran-2-carbonyl)indolin-6-yl)acetamide, 2H-1,4-Benzodiazepin-2-one, 1,3-dihydro-7-chloro-5-(o-chlorophenyl)-3-((2,2-dimethyl-1,3-dioxolan-4-yl)methoxy)-. 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 C21H20Cl2N2O4?

C21H20Cl2N2O4 has a degree of unsaturation of 12. 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.