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中文名称英文名称CAS 编号规格目录价所属品牌订货号
α-乳糖α-Lactose monohydrate5989-81-11KG445.00SIGMAL3625
α-乳糖α-Lactose monohydrate5989-81-15KG1,063.00SIGMAL3625
品牌SIGMA
产品名称 α-乳糖 : α-Lactose monohydrate ——【产品编号:SIGMA-L3625】
CAS编号5989-81-1
别名β-D-Gal-(1→4)-α-D-Glc 4-O-β-D-Galactopyranosyl-α-D-glucose,Milk sugar,α-D-乳糖单水合物
级别科学级
纯度&分析≥99% total lactose basis (GC)
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分子式C12H22O11 · H2O
分子量360.31
储存条件常温避光保存。
性质

InChI Key   WSVLPVUVIUVCRA-KPKNDVKVSA-N
Quality Level   PREMIUM
assay   ≥99% total lactose basis (GC)
impurities   ≤0.05% Glucose
  ≤4% β-lactose

原产地美国
描述

Biochem/physiol Actions
Lactose is a dissacharide formed by the condensation of one galactose and one glucose molecule. Lactose is the major sugar in the milk of most species, typically present between 2-8%.
alpha-Lactose is the primary sugar present in milk and the main energy source to a newborn mammalian through its mother′s milk. It is digested by the intestinal lactase (EC 3.2.1.108), an enzyme expressed in newborns. The enzyme′s activity declines following weaning which can lead to lactose intolerance in adult mammals.

供货状态True
参考文献N/A
类型BSZH 有机化学试剂
安全信息

个人防护装备  Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RIDADR  NONH for all modes of transport
WGK德国  3