玖色视频_日韩看片_av在线免费在线观看_视频第一区_国产亚洲精品一区二三区_无码AV中文字幕久久专区

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(yǔ)|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(hào)-1
主站蜘蛛池模板: 三年片动漫在线观看视频 | 欧美日韩精品免费观看视欧美高清免费大片 | 一级做人爰片全过 | 国内自产少妇自拍区免费 | 高清不卡一区二区在线 | 亚洲国产精品国语在线 | 久久艹人人 | 手机午夜福利1000视频 | 啦啦啦www在线观看免费视频 | WWW国产无套内射COM | 日本公与熄乱理在线播放 | 亚洲一级毛片色视频 | 亚洲成人一级 | 欧美巨大丰满猛性社交 | 日本一级毛片在线播放 | 午夜福利片国产精品 | 国产高清不卡一区二区在线视频 | 无码欧美一区二区三区 | 亚洲欧美动漫少妇自拍 | 午夜情侣| 超碰成人影院 | 年轻的母亲理论片 | 一级黄色片网址 | 亚洲AV无码国产精品色午夜 | 国产无遮挡吃胸膜奶免费看 | 日本黄色一区二区 | 中国少妇xx | 黄页在线免费观看 | 午夜福利在线观看6080 | 禁漫天堂久久久久久久久久 | 精品国产一卡2卡3卡4卡新区 | 欧美淫视频| 99精品久久久中文字幕 | 熟女精品视频一区二区三区 | 特级欧美AAAAAAA免费观看 | 日韩欧美一区二区三区中文精品 | 亚洲AV乱码一区二区三区按摩 | 人妻天天爽夜夜爽一区二区 | wwwxx国产 | 亚洲第一黄 | 蜜桃AV蜜臀AV色欲AV麻 |