Merck

G0750

Sigma-Aldrich

D -(+)-半乳糖

≥99%

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别名:
半乳糖
Empirical Formula (Hill Notation):
C6H12O6
CAS号:
分子量:
180.16
Beilstein:
1724619
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

生物来源

bovine (Ruminant- Cow, Ox, Buffalo)

质量水平

检测方案

≥99%

形式

powder

technique(s)

HPLC: suitable

杂质

≤0.1% glucose

颜色

white

useful pH range

5.0-7 (25 °C, 180 g/L)

mp

168-170 °C (lit.)

溶解性

H2O: soluble 100 mg/mL, clear, colorless

储存温度

room temp

SMILES string

OC[C@@H](O)[C@H](O)[C@H](O)[C@@H](O)C=O

InChI

1S/C6H12O6/c7-1-3(9)5(11)6(12)4(10)2-8/h1,3-6,8-12H,2H2/t3-,4+,5+,6-/m0/s1

InChI key

GZCGUPFRVQAUEE-KCDKBNATSA-N

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G6404G062548260
D-(+)-Galactose ≥99%

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G0750

D -(+)-半乳糖

-
D-(+)-Galactose BioXtra, pH 5.0-7.0 (20 °C, 1 M in H2O), ≥99%

Sigma-Aldrich

G6404

D -(+)-半乳糖

Premium Grade
D-(+)-Galactose ≥98%

Sigma-Aldrich

G0625

D -(+)-半乳糖

-
D-(+)-Galactose suitable for microbiology, ≥99.0%

Millipore

48260

D -(+)-半乳糖

-
assay

≥99%

assay

≥99%

assay

≥98%

assay

≥99.0% (sum of enantiomers, HPLC)

form

powder

form

powder

form

powder

form

powder

technique(s)

HPLC: suitable

technique(s)

HPLC: suitable

technique(s)

HPLC: suitable, cell based assay: suitable

technique(s)

-

impurities

≤0.1% glucose

impurities

≤0.005% Phosphorus (P), ≤0.1% Insoluble matter

impurities

-

impurities

-

color

white

color

-

color

white to off-white

color

-

应用

半乳糖被应用于:
  • 作为半乳糖基转移酶标记缓冲液的组分。
  • 作为MRS肉汤中嗜热乳酸菌生长的补充物
  • 诱导解耦蛋白(UCP)在酵母转化子中的表达

生化/生理作用

半乳糖是一种简单的单糖,是能量来源和糖脂和糖蛋白的基本成分。半乳糖通过构成Leloir通路的酶将其转化为葡萄糖,从而促进能量代谢。编码这些蛋白质的基因缺陷导致了代谢性半乳糖血症。

其他说明

为了全面了解我们针对客户研究提供的各种单糖产品,建议您访问我们的碳水化合物分类页面。

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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