色吧av色av_国产激情午夜_精品久久久久久久国产性色av_久久久一级视频_欧美激情视频网_视频在线播放国产

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

0086-579-82270620

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: 国产麻豆精品福利在线 | 欧美黑人xxxx性高清版 | 国产精品99久久久久久一二区 | 亚洲伦产精品一区二区三区 | 在线观看中文资源视频 | 日韩一区免费视频 | 天堂资源最新在线 | 欧美日韩在线视频首页 | 国产精品久久欧美久久一区 | 农村人chinese熟女 | 中文字幕在线日本 | 成人午夜免费av | 吃奶呻吟打开双腿做受在线视频 | 国产精品国产三级国产专播i12 | 大象视频成人看免费网站 | 无码中文字幕人妻在线一区二区三区 | 国内免费精品视频 | av老司机在线 | 五月丁香六月狠狠爱综合 | 少妇饥渴偷公乱第一章全文 | 久久国产28 | 1024国产在线观看 | 8x成人66m免费视频 | 亚洲国产综合在线观看 | av在线免费看不卡 | av中文字幕在线观看第一页 | 久久久久久久久久久久久久免费看 | 少妇啪啪免费观看欧美三p 欧洲免费一区二区三区视频 | 日韩精品亚洲Aⅴ在线影院 暖暖视频免费高清日本 | 久久2017| 成人公开免费视频 | 国产免费黄色网址 | 99久免费精品视频在线观78 | 中文av一区二区三区 | 国产欧美一区二区三区精品酒店 | 少妇张开腿露私下 | 国产精品无码色一区二涩欲区三区 | 国产乱码日产乱码精品精 | 久久精品日日躁夜夜躁 | 亚洲精品国产精品国自产观看 | 色婷婷一区二区三区在线观看 |