Lactose

C₁₂H₂₂O₁₁

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

CAS: 63-42-3

概述

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.

组成

元素 符号 原子 原子质量
Hydrogen H 22 1.0080
Carbon C 12 12.0110
Oxygen O 11 15.9990

元素组成

H
Hydrogen ×22
6.5%
C
Carbon ×12
42.1%
O
Oxygen ×11
51.4%

用途

  • • Pharmaceutical excipient
  • • Food industry
  • • Baby formula
  • • Confectionery

趣味知识

  • ✦ 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

属性

类型
organic
状态
solid
摩尔质量
342.30 g/mol
密度
1.5250 g/cm³
熔点
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

相关化合物

Caffeine

C₈H₁₀N₄O₂

Coumarin

C₉H₆O₂

Acetone

(CH₃)₂CO

Acrylic Acid

C₃H₄O₂

Cysteine

C₃H₇NO₂S

DDT

C₁₄H₉Cl₅

Alanine

C₃H₇NO₂

Diazepam

C₁₆H₁₃ClN₂O

Dichloromethane

CH₂Cl₂

Butane

C₄H₁₀

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).