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D-半乳糖 CAS:59-23-4(植物来源 non-animal origin)

D-半乳糖 CAS:59-23-4(植物来源 non-animal origin)
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D-半乳糖 CAS:59-23-4

D-半乳糖 CAS:59-23-4(植物来源 non-animal origin) 

 

基本信息

CAS号:59-23-4

分子式:C6H12O6

分子量:180.16

纯度:98.0%以上

MDL号: MFCD00151230

Beilstein号: 1724619

EC号: 200-416-4

重金属:≤0.001%

 

英文名字:D-Galactose   CAS:59-23-4

 

Essential information

CAS: 59-23-4

Molecular formula: C6H12O6

Molecular weight: 180.16

Purity: more than 98%

MDL: MFCD00151230

Beilstein: 1724619

EC: 200-416-4

Character description

White crystal or crystalline powder, without special odor, soluble in water and pyridine, water solubility: 680 g/L (25 C); slightly soluble in glycerol and alcohol. Galactose is a monosaccharide composed of six carbon and one aldehyde, which is classified as aldose and hexose. D- galactose and L- galactose exist naturally. The general structure of D- galactose as part of lactose found in milk, lactose in milk by the human body is decomposed into glucose and galactose was absorbed by.

Physical parameters

Melting point: 165-168 degrees centigrade

Optical rotation: +78.5 -81.0 degrees

Quality standard

Content: 98%

Dry weight loss: less than 0.5%

Residue: less than 0.5%

Chloride: less than 0.003%

Sulfate: less than 0.005%

Heavy metal: less than 0.001%


D-半乳糖 CAS:59-23-4 是琼脂、植物树胶、黏胶和棉子糖、乳糖、蜜二糖等糖类的组分。以半乳糖苷和半乳糖酐分子存在于蜗牛蛋白腺体、蛙卵、脑神经组织等动物材料中。游离态见于乳汁。与葡萄糖结合构成乳糖。经XIAO酸氧化后可得黏液酸。

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