CompoundList
Molecular formula

C21H40BrNO

1 compound has this formula on CompoundList.

Molar mass
402.46g/mol
Monoisotopic mass
401.2293Da
Atoms
64
Elements
5
Rings plus double bonds
2

The formula C21H40BrNO describes a molecule made of 21 carbon atoms, 40 hydrogen atoms, 1 bromine atom, 1 nitrogen atom and 1 oxygen atom. 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 × 2162.67%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 4010.02%
    1.008 × 40 = 40.320 g/mol
  • Br Bromine × 119.85%
    79.904 × 1 = 79.904 g/mol
  • N Nitrogen × 13.48%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 13.98%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C21H40BrNO

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

Showing 1 to 1 of 1 compounds

Frequently asked questions

What is the molar mass of C21H40BrNO?

The molar mass of C21H40BrNO is 402.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 40 hydrogen atoms, 1 bromine atom, 1 nitrogen atom and 1 oxygen atom. The monoisotopic mass is 401.2293 Da.

How many compounds have the formula C21H40BrNO?

CompoundList lists 1 compound with the molecular formula C21H40BrNO, including 1-Hexadecylpyridin-1-ium bromide--water (1/1/1). 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 C21H40BrNO?

C21H40BrNO has a degree of unsaturation of 2. 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.