Molar mass

Molar Mass of Histidine

The molar mass of histidine (C6H9N3O2) is 155.157 g/mol.

Histidine at a glance

PropertyValue
Molar mass155.157 g/mol
Molecular weight155.157 u
Chemical formulaC6H9N3O2
Monoisotopic mass155.069477 u
CAS number71-00-1
PubChem CID6274

How to calculate the molar mass of histidine

6 × 12.011 + 9 × 1.008 + 3 × 14.007 + 2 × 15.999 = 155.157 g/mol

  1. Count the atoms in C6H9N3O2: C 6, H 9, N 3, O 2.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 155.157 g/mol.

Elemental composition of histidine

ElementAtomsAtomic weightMass (g/mol)Mass %
C Carbon612.01172.06646.447%
H Hydrogen91.0089.0725.847%
N Nitrogen314.00742.02127.083%
O Oxygen215.99931.99820.623%

Grams and moles of histidine

AmountEquals
1 g0.0064451 mol
10 g0.064451 mol
100 g0.64451 mol
0.1 mol15.516 g
1 mol155.16 g
1 g, in particles3.8813 × 10^21