久久久网_国产精品内射视频免费_美脚の诱脚舐め脚责91_久久国产欧美日韩精品_国产欧美日韩一区二区搜索_一区两区三区四区乱码国产精品

Welcome to Zhejiang Synose Tech Co., Ltd.!

Carbohydrate Derivative

Methyl-β-D-Galactopyranoside

Chemical name:  Methyl-β-D-Galactopyranoside 

Product name:  Methyl  beta-D-Galactopyranoside, 1-O-methyl-beta-D-GAL, β-Methylgalactose, Methyl galactoside, 1-O-Methyl-Galactoside, Beta-methyl-D-galactoside.

Molecular formula: C7H14O6

Molecular weight: 194.18246

CAS No.: 1824-94-8

Molecular formula:

Quality standard:

Item Index
Appearance White crystalline powder
Assay (HPLC), % ≥98
Melting point, ℃ 175~179
Specific rotation  (C=1.5,CH3OH -15 ~ -18
 Loss on drying, % ≤1.0
Residue on ignition, % ≤0.1
TLC Single spot

Properties: this product is white odorless crystalline powder and it is soluble in water, methanol, and hot ethyl alcohol.

Uses: in the synthesis of methyl galactoside derivatives, chiral D-inositol, β-D-methyl galacturonic acid, β-D- methyl galactonic acid, or compound of β-D-methyl galactoside, and borophenylic acid or crown ether.

Storage: tightly sealed and kept in cool and dry place.

Packing: 10kg/drum or at the request of client.

Shelf life: 2 years

No.1958 Liyu Road Jinhua, Zhejiang, China

0086-579-82270620

expo@synose.com

Home|About us|News|Products|Custom|Contact us|中文版|English|日本語|Fran?ais|Pусский|Espa?a
Copyright(C)2017, Zhejiang Synose Tech Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice 浙ICP備06002737號-1
主站蜘蛛池模板: 黄色片视频在线观看 | 欧美一区2区视频在线观看 久久国产亚洲精品 | 国产wwwxx | 成人涩涩涩视频在线观看 | 女人自慰喷水高清播放 | 久久网一区二区三区 | 91最新入口 | 日韩在线免费播放 | J97久久国产亚洲精品超碰热 | 国产热99 | 成人无码做爰www免费软件小说 | fc2免费人成在线视频 | 亚洲成人看片 | 久艹视频在线观看 | 老司机在线精品视频 | 巨胸喷奶水www久久久 | 精品无码一区二区三区亚洲桃色 | 少妇AAA级久久久无码精品片 | 精国品产一区二区三区有限公司 | 成人年无码AV片在线观看 | 国产性一级片 | 老司机午夜福利视频 | 色视频网| 精品免费看 | 久久久噜噜噜久久中文字幕色伊伊 | 精品久久久一二三区 | 456成人网 | 日韩欧美视频免费观看 | 五月天婷婷伊人 | 曰本无码人妻丰满熟妇5g影院 | 扒开双腿疯狂进出爽爽爽视频 | 色欲午夜无码久久久久久 | 久久久久久久久久久久久久免费看 | 久久久免费看视频 | 免费乱理伦片在线观看2017 | 久久一区二区三区av | 黄色成人影院 | 狠狠躁夜夜躁人人爽天天5 五十路熟妇强烈无码 | 亚洲一级毛片 | 国产真实伦在线观看视频 | 久久久国产精品亚洲一区 |