CompoundList
Molecular formula

C4H5BN2O2

8 compounds have this formula on CompoundList.

Molar mass
123.91g/mol
Monoisotopic mass
127.0632Da
Atoms
14
Elements
5

The formula C4H5BN2O2 describes a molecule made of 4 carbon atoms, 5 hydrogen atoms, 1 boron atom, 2 nitrogen atoms 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 × 438.77%
    12.011 × 4 = 48.044 g/mol
  • H Hydrogen × 54.07%
    1.008 × 5 = 5.040 g/mol
  • B Boron × 18.72%
    10.81 × 1 = 10.810 g/mol
  • N Nitrogen × 222.61%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 225.82%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C4H5BN2O2

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

Showing 1 to 8 of 8 compounds

Frequently asked questions

What is the molar mass of C4H5BN2O2?

The molar mass of C4H5BN2O2 is 123.91 g/mol, calculated from standard atomic weights for 4 carbon atoms, 5 hydrogen atoms, 1 boron atom, 2 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 127.0632 Da.

How many compounds have the formula C4H5BN2O2?

CompoundList lists 8 compounds with the molecular formula C4H5BN2O2, including (Pyrimidin-5-yl)boronic acid, Pyrazin-2-ylboronic acid, Pyrimidine-4-boronic acid. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.