Molar mass of Lactose
The molecular formula of Lactose is C12H22O11, giving a molar mass of 342.297 g/mol.
Molar mass
342.297g/mol
Computed from the formula with the IUPAC conventional atomic weights (abridged, 2021 edition).
Formula
C12H22O11
Category
Sugars & Carbohydrates
Atoms per molecule
45
Lactose conversions
Mass ↔ amount and solution conversions derived from the stored molar mass of 342.297 g/mol.
1 mmol342.297 mg
1 g2.9214 mmol
1 M342.297 g/L
About Lactose
Milk sugar, a reducing disaccharide of galactose and glucose. Its cleavage by β-galactosidase is the textbook example of gene regulation, and the ΔM15 lacZα complementation test remains the standard blue-white screen in molecular cloning.
Related compounds
Other entries in Sugars & Carbohydrates.
2-Deoxy-D-riboseC5H10O4 · 134.131 g/molCelluloseC6H10O5 · 162.141 g/molD-FructoseC6H12O6 · 180.156 g/molD-GalactoseC6H12O6 · 180.156 g/molD-GlucoseC6H12O6 · 180.156 g/molD-MannitolC6H14O6 · 182.172 g/molD-MannoseC6H12O6 · 180.156 g/molD-RiboseC5H10O5 · 150.130 g/molD-SorbitolC6H14O6 · 182.172 g/molD-XyloseC5H10O5 · 150.130 g/molErythritolC4H10O4 · 122.120 g/molGlucosamineC6H13NO5 · 179.172 g/mol