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Molecular formula

C18H11BrN2O4

6 compounds have this formula on CompoundList.

Molar mass
399.20g/mol
Monoisotopic mass
397.9902Da
Atoms
36
Elements
5
Rings plus double bonds
14

The formula C18H11BrN2O4 describes a molecule made of 18 carbon atoms, 11 hydrogen atoms, 1 bromine atom, 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 × 1854.16%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 112.78%
    1.008 × 11 = 11.088 g/mol
  • Br Bromine × 120.02%
    79.904 × 1 = 79.904 g/mol
  • N Nitrogen × 27.02%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 416.03%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C18H11BrN2O4

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

Showing 1 to 6 of 6 compounds

7-((5-(2-Bromophenyl)-1,3,4-oxadiazol-2-yl)methoxy)-2H-chromen-2-one chemical structure, C18H11BrN2O4, CAS 784169-89-7
7-((5-(2-Bromophenyl)-1,3,4-oxadiazol-2-yl)methoxy)-2H-chromen-2-one
CAS 784169-89-7C18H11BrN2O4
5-Bromo-N-(4-methyl-5-oxochromeno[4,3-b]pyridin-2-yl)furan-2-carboxamide chemical structure, C18H11BrN2O4, CAS 851411-31-9
5-Bromo-N-(4-methyl-5-oxochromeno[4,3-b]pyridin-2-yl)furan-2-carboxamide
CAS 851411-31-9C18H11BrN2O4
3-(5-(2-Bromophenyl)-1,3,4-oxadiazol-2-yl)-6-methoxy-2H-chromen-2-one chemical structure, C18H11BrN2O4, CAS 333773-08-3
3-(5-(2-Bromophenyl)-1,3,4-oxadiazol-2-yl)-6-methoxy-2H-chromen-2-one
CAS 333773-08-3C18H11BrN2O4
5-Bromo-N-(11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)furan-2-carboxamide chemical structure, C18H11BrN2O4, CAS 922082-77-7
5-Bromo-N-(11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)furan-2-carboxamide
CAS 922082-77-7C18H11BrN2O4
Methyl 3-(8-bromo-4-oxo-3,4-dihydrobenzofuro[3,2-d]pyrimidin-2-yl)benzoate chemical structure, C18H11BrN2O4, CAS 1169560-75-1
Methyl 3-(8-bromo-4-oxo-3,4-dihydrobenzofuro[3,2-d]pyrimidin-2-yl)benzoate
CAS 1169560-75-1C18H11BrN2O4
3-[5-(4-Bromophenyl)-1,3,4-oxadiazol-2-yl]-7-methoxy-2H-chromen-2-one chemical structure, C18H11BrN2O4, CAS 2380194-12-5
3-[5-(4-Bromophenyl)-1,3,4-oxadiazol-2-yl]-7-methoxy-2H-chromen-2-one
CAS 2380194-12-5C18H11BrN2O4

Frequently asked questions

What is the molar mass of C18H11BrN2O4?

The molar mass of C18H11BrN2O4 is 399.20 g/mol, calculated from standard atomic weights for 18 carbon atoms, 11 hydrogen atoms, 1 bromine atom, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 397.9902 Da.

How many compounds have the formula C18H11BrN2O4?

CompoundList lists 6 compounds with the molecular formula C18H11BrN2O4, including 7-((5-(2-Bromophenyl)-1,3,4-oxadiazol-2-yl)methoxy)-2H-chromen-2-one, 5-Bromo-N-(4-methyl-5-oxochromeno[4,3-b]pyridin-2-yl)furan-2-carboxamide, 3-(5-(2-Bromophenyl)-1,3,4-oxadiazol-2-yl)-6-methoxy-2H-chromen-2-one. 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 C18H11BrN2O4?

C18H11BrN2O4 has a degree of unsaturation of 14. 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.