有一级不卡A片网址吗,普通话熟女高潮对白出浆视频,久久露脸国产精品,爱情岛论坛AV在线播放

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