Lactose

C₁₂H₂₂O₁₁

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

CAS: 63-42-3

概要

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.

組成

元素 記号 原子 原子質量
Hydrogen H 22 1.0080
Carbon C 12 12.0110
Oxygen O 11 15.9990

元素組成

H
6.5%
C
42.1%
O
51.4%

用途

  • Pharmaceutical excipient
  • Food industry
  • Baby formula
  • Confectionery

豆知識

  • 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

特性

タイプ
organic
状態
solid
モル質量
342.30 g/mol
密度
1.5250 g/cm³
融点
202.8 °C
溶解度
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).