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-α-D-Galactopyranoside

Synonyms: Methyl alfa-D-Galactopyranoside Monohydrate, 1-O-mehyl-alfa-D-Galactoside, α-Methylgalactose, Methyl galactoside, 1-O-Methyl-Galactoside, Alfa-methyl-D-galactoside.

Molecular Formula: C7H16O7

Molecular weight: 212

CAS No.: 93302-26-2/3396-99-4

Molecular Structure:

Quality Standard:

Item

Specification

Appearance

Assay , %

Meling point, ℃

Specific rotation ,(C=1,H2O)

Water, %

Residue on ignition, %

White to off-white granule or powder 

≥98.0

104.0~110.0

+173.0~+183.0

≤9.0

≤0.10

Characteristics: It is white odourless crystalline powder, soluble in water, methanol and hot ethanol etc. 

Uses: Used in the synthesis of pharmaceutical intermediates such as Methyl-2,3,4,6-tetra-O-benzyl-D-galactopyranose, 4-amino-4-deoxy-D-hexuronic acid or alcohol. Used for synthesis of methyl galactopyranoside derivate, for example, methyl α-D- galactopyranonic acid; methyl 3-O-benzoyl-α-D-galactopyranoside; methyl 2,3,6-tri-O-acetyl or benzyl-α-D-galactopyranoside, methyl 2,3,4,6-tetra-O-acetyl-α-D-galactopyranoside, methyl 2,3,4-tri-O-acetyl or benzoyl-α-D-galactopyranoside; methyl 3,4 -O-isopropylidene-α-D-galactopyranoside; methyl 4,6-O-isopropylidene-α-D-galactopyranoside; methyl 2,3,4-tri-O-acetyl-6-bromo or iodine-6-deoxy-α-D-galactopyranoside and methyl 2,4-di-O-acetyl 3,6-anhydro-α-D-galactopyranoside, 1,5- anhydro-α-D-galactitol, etc. Used in synthetic carbopeptides, polymers combined with carbohydrates, Sialyloligosaccharides, Thiolactose, Thiocellobiose, (1→3) and (1→6) glycan and other oligosaccharides. Used for synthesis glycosidase inhibitor 1,5-di-deoxy-1,5-imino-D- galactitol, disaccharide block of Shiga bacillus vaccine methyl O-α-D-L-rhamnopyranosyl-(1→2)-α-D-galactopyranosides and so on. Used for synthesis Galactopyranoside-Binding Boronic Acids or benzoboroxoles.

Storage:Maintain in cool, dry containment.

Package:25kg/drum or as customer require.

Expiration Date: 2 years.

No.1958 Liyu Road Jinhua, Zhejiang, China

0086-579-82275537

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: 男女无遮挡高清性视频 | 久久人人97超碰国产精品 | 国产精品欧美久久久久久日木一道 | 一级毛片一级毛片一级毛片 | 性一爱一乱一交一视频 | 日本一区二区三区国色天香 | 国产在线精品一区二区在线播放 | 亚洲精品一区二区三区精华液 | JIZZJIZZ少妇亚洲水多 | 欧美精品在线播放 | 麻豆视频免费网站 | 精品服丝袜无码视频一区 | 台湾佬自拍偷区亚洲综合 | 久热中文在线 | 污污在线| 免费看无码自慰一区二区 | 99riav.6国产情侣在线看 | 亚洲av无码日韩精品影片 | 国语精品91自产拍在线观看二区 | 优优人体大胆啪啪私拍 | 男同网gv免费视频网站 | 免费国产女王调教在线视频 | 人妻无码中文字幕永久在线 | 欧美成年网站色a | 国产一级A片无码免费奶水 国产精品亚洲五色 | 国外精品久久久蜜桃免费全文阅读 | JAPANESEHD无码专区 | 精品人妻无码一区二区三区蜜桃 | 久久精品美女视频 | 少妇放荡的呻吟干柴烈 | 欧美日韩黄色一级片 | 精品无码国产一区二区三区AV | 国产精品日韩欧美一区二区 | 丁香九月激情 | 海角在线观看91一区二区 | 亚洲成人免费观看 | 国产草草影院 | 日韩午夜伦伦午夜伦老司机 | 简单的激情 | 国产成人无码18禁午夜福利网址 | 成年人黄色片免费看 |