精96xxxx观看_饥渴少妇与三个黑人互动_九七午夜剧场福利写真_欧美极品videosex性欧美_国产亚洲一卡2卡3卡4卡网站_日日夜夜噜

Welcome to Zhejiang Synose Tech Co., Ltd.!

Carbohydrate Derivative

Methyl-2,3,4,6-Tetra-O-Benzyl-α-D-Galactopyranoside

Synonym: Methyl-2,3,4,6-tetrakis-O-(phenylmethyl)-α-D-galactopyranoside

Molecular Formula: C35H38O6

Molecular weight: 554.67

CAS No.: 53008-63-2

Quality Standard:

Item Specification
Appearance pale-yellow to red viscous liquid
Assay (HPLC), % ≥90
Water,% ≤0.5

Properties: pale-yellow to red viscous liquid. Dissolved in toluene, acetone and 1,4-dioxane etc.

Uses: Methyl-2,3,4,6-tetra-O-benzyl-α-D-galactopyranoside is an important organic synthetic intermediate. This product will hydrolyze into 2,3,4,6-tetra-O-benzyl-α-D-galactopyranoside in acidic conditions, the hydrolysis product is widely used in the synthesis of polysaccharides, glycoconjugates, molecular probes, drug intermediates and so on.

Reacting with acetic anhydride, it can be converted into 1,6-di-O-acetyl-,2,3,4-tri-O-benzyl-α-D-galactopyranoside and 1-O-acetyl-2,3 4,6-tetra-O-benzyl-α-D-galactopyranoside Undersuitable reaction conditions .

It can be conveniently converted into 2,3,4,6-tetra-O- benzyl-α-D-galactosyl fluoride, chloride,bromide,iodide.

As initial material, it can also be synthesized into phosphonic acid galactosyl transferase inhibitors, the inhibitors can inhibitα-1 and β-1,3-,4- and galactosyl transferase.

Storage: Store in a tightly closed container. Store in a cool and dry area.

Package: 25kg /200kg/drum or as required by customer.

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: 国外AV无码精品国产精品 | 水蜜桃AV无码一区二区 | 久久综合色一综合色88欧美 | 在线视频 一区 二区 | 精产国品久久一二三产区区别 | 嗯啊av | 亚洲无遮挡无码A片在线 | 日本又色又爽又黄的视频免 | 大帝av在线一区二区三区 | 女人爽到高潮潮喷18禁网站 | 亚洲国产精品无码专区影院 | mm1313亚洲国产精品久久 | 激情小说亚洲色图 | 在线免费播放av | 中文字幕欧美久久日高清 | 曰本女人牲交全过程免费观看 | 全免费又大粗又黄又爽少妇片 | h高潮娇喘抽搐A片国产麻豆 | 98在线视频噜噜噜国产 | 国产精品VA在线播放我和闺蜜 | 亚洲成a人片在线观看日本 日本一区二区国产 | 亚洲色婷婷一区二区三区 | 成年人免费在线看惊悚片动作片 | 班花在教室轮流澡到高潮视频 | 国产亚洲精品AA片在线观看 | 无码成人片一区二区三区 | 欧美黑人巨大 | 人妻换人妻A片爽麻豆 | 精品国产污污免费网站 | 91a在线观看 | 国产精品 精品国内自产拍 蜜臀久久99精品久久久画质超高清 | 超碰97人人做人人爱2020 | 亚洲AV中文无码字幕色下药 | 野花社区日本免费图片 | 女人被强╳到高潮喷水在线观看 | 欧美成人天天综合在线 | 久久久久久综合网天天 | 免费无码又爽又刺激a片涩涩软件 | 97久久婷婷五月综合色D啪蜜芽 | 超清无码一区二区三区 | 天堂资源中文WWW |