CompoundList
Molecular formula

C21H16BrNO2

12 compounds have this formula on CompoundList.

Molar mass
394.27g/mol
Monoisotopic mass
393.0364Da
Atoms
41
Elements
5
Rings plus double bonds
14

The formula C21H16BrNO2 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 bromine atom, 1 nitrogen atom 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 × 2163.97%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 164.09%
    1.008 × 16 = 16.128 g/mol
  • Br Bromine × 120.27%
    79.904 × 1 = 79.904 g/mol
  • N Nitrogen × 13.55%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 28.12%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C21H16BrNO2

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

Showing 1 to 12 of 12 compounds

Frequently asked questions

What is the molar mass of C21H16BrNO2?

The molar mass of C21H16BrNO2 is 394.27 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 bromine atom, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 393.0364 Da.

How many compounds have the formula C21H16BrNO2?

CompoundList lists 12 compounds with the molecular formula C21H16BrNO2, including 2-(4-Benzoylphenyl)-2-(4-bromophenyl)acetamide, N-(2-Benzoyl-4-methylphenyl)-4-bromobenzamide, N-(2-Benzoyl-4-methylphenyl)-2-bromobenzamide. 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 C21H16BrNO2?

C21H16BrNO2 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.