Molar mass

Molar Mass of Retinol

The molar mass of retinol (C20H30O) is 286.459 g/mol.

Retinol at a glance

PropertyValue
Molar mass286.459 g/mol
Molecular weight286.459 u
Chemical formulaC20H30O
Monoisotopic mass286.229666 u
CAS number68-26-8
PubChem CID445354

How to calculate the molar mass of retinol

20 × 12.011 + 30 × 1.008 + 1 × 15.999 = 286.459 g/mol

  1. Count the atoms in C20H30O: C 20, H 30, O 1.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 286.459 g/mol.

Elemental composition of retinol

ElementAtomsAtomic weightMass (g/mol)Mass %
C Carbon2012.011240.2283.858%
H Hydrogen301.00830.2410.556%
O Oxygen115.99915.9995.5851%

Grams and moles of retinol

AmountEquals
1 g0.0034909 mol
10 g0.034909 mol
100 g0.34909 mol
0.1 mol28.646 g
1 mol286.46 g
1 g, in particles2.1023 × 10^21