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Molecular formula

C21H19Cl2NO5

5 compounds have this formula on CompoundList.

Molar mass
436.29g/mol
Monoisotopic mass
435.0640Da
Atoms
48
Elements
5
Rings plus double bonds
12

The formula C21H19Cl2NO5 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 2 chlorine atoms, 1 nitrogen atom and 5 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 × 2157.81%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 194.39%
    1.008 × 19 = 19.152 g/mol
  • Cl Chlorine × 216.25%
    35.45 × 2 = 70.900 g/mol
  • N Nitrogen × 13.21%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 518.34%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C21H19Cl2NO5

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

Showing 1 to 5 of 5 compounds

Dimethyl 4-[5-(2,5-dichlorophenyl)-2-furyl]-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylate chemical structure, C21H19Cl2NO5, CAS 373612-13-6
Dimethyl 4-[5-(2,5-dichlorophenyl)-2-furyl]-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylate
CAS 373612-13-6C21H19Cl2NO5
Dimethyl 4-[5-(3,4-dichlorophenyl)-2-furyl]-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylate chemical structure, C21H19Cl2NO5, CAS 372495-88-0
Dimethyl 4-[5-(3,4-dichlorophenyl)-2-furyl]-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylate
CAS 372495-88-0C21H19Cl2NO5
Dimethyl 4-[5-(2,3-dichlorophenyl)furan-2-yl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate chemical structure, C21H19Cl2NO5, CAS 374601-23-7
Dimethyl 4-[5-(2,3-dichlorophenyl)furan-2-yl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
CAS 374601-23-7C21H19Cl2NO5
5-(3,4-Dichlorophenyl)-3-hydroxy-4-(4-methoxybenzoyl)-1-(2-methoxyethyl)-2,5-dihydro-1H-pyrrol-2-one chemical structure, C21H19Cl2NO5, CAS 433326-07-9
5-(3,4-Dichlorophenyl)-3-hydroxy-4-(4-methoxybenzoyl)-1-(2-methoxyethyl)-2,5-dihydro-1H-pyrrol-2-one
CAS 433326-07-9C21H19Cl2NO5
Oct-1-YN-3-yl 5-(2,4-dichlorophenoxy)-2-nitrobenzoate chemical structure, C21H19Cl2NO5, CAS 57729-25-6
Oct-1-YN-3-yl 5-(2,4-dichlorophenoxy)-2-nitrobenzoate
CAS 57729-25-6C21H19Cl2NO5

Frequently asked questions

What is the molar mass of C21H19Cl2NO5?

The molar mass of C21H19Cl2NO5 is 436.29 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 2 chlorine atoms, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 435.0640 Da.

How many compounds have the formula C21H19Cl2NO5?

CompoundList lists 5 compounds with the molecular formula C21H19Cl2NO5, including Dimethyl 4-[5-(2,5-dichlorophenyl)-2-furyl]-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylate, Dimethyl 4-[5-(3,4-dichlorophenyl)-2-furyl]-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylate, Dimethyl 4-[5-(2,3-dichlorophenyl)furan-2-yl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate. 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 C21H19Cl2NO5?

C21H19Cl2NO5 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.