Lactose

C₁₂H₂₂O₁₁

IUPAC: 4-O-beta-D-Galactopyranosyl-D-glucose

CAS: 63-42-3

Ikhtisar

Lactose is the primary sugar in milk, composed of glucose and galactose. About 65% of the global population has reduced ability to digest lactose after infancy.

Komposisi

Unsur Simbol Atom Massa Atom
Hydrogen H 22 1,0080
Carbon C 12 12,0110
Oxygen O 11 15,9990

Komposisi Elemental

H
6,5%
C
42,1%
O
51,4%

Kegunaan

  • Pharmaceutical excipient
  • Food industry
  • Baby formula
  • Confectionery

Fakta Menarik

  • Lactose intolerance is the norm for most of the world's adult population

Structure

SMILES

C(C1C(C(C(C(O1)OC2C(OC(C(C2O)O)O)CO)O)O)O)O

Sifat

Jenis
organic
Keadaan
solid
Massa Molar
342,30 g/mol
Kerapatan
1,5250 g/cm³
Titik Lebur
202,8 °C
Kelarutan
195 g/L at 25°C

Molecular Descriptors

Exact Mass
342,1162
XLogP
-4,7
TPSA
190,0 Ų
H-Bond Donors
8
H-Bond Acceptors
11
Rotatable Bonds
4
Heavy Atoms
23
Complexity
382,0

Frequently Asked Questions

What is Lactose?
Lactose (C₁₂H₂₂O₁₁) is a organic compound with the IUPAC name 4-O-beta-D-Galactopyranosyl-D-glucose.
What is the molecular weight of Lactose?
Lactose has a molar mass of 342.3 g/mol.
What state is Lactose at room temperature?
Lactose is a solid at room temperature.
Is Lactose organic or inorganic?
Lactose is classified as an organic compound.
What elements make up Lactose?
Lactose (C₁₂H₂₂O₁₁) is composed of Hydrogen (H), Carbon (C), Oxygen (O).