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-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|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: 无码专区视频精品老司机 | 成年女人喷潮视频免费观看 | 日本特黄a级高清免费大片 人妻慢慢放弃抵抗开始迎合 | 亚洲精品久久国产高清情趣图文 | 少妇人妻偷人精品视频1出轨 | 亚洲色偷偷综合亚洲AV | 亚洲精品国偷拍自产在线观看 | 国产真实高潮刺激太爽了 | 毛色毛片免费观看 | 日韩人妻无码av一二三区 | 亚洲日韩乱码久久久久久 | 香蕉av久久一区二区三区 | 国内自拍视频在线观看 | 中文字幕制服 | 亚洲av永久无码精品网站色欲 | 996久久国产精品线观看 | 国语对白爽死我了 | 狠狠躁夜夜躁人人爽天天不卡软件 | 久久精品日日躁夜夜躁 | 日韩精品人成在线播放 | 亚洲中文字幕无码一久久区 | 亚洲国产成人久久综合碰 | 中文字幕精品AV乱码在线 | 国产精品久久人妻无码HD毛片 | 黄www在线观看| 四韩色情无码一区二区三区 | 中文字幕国产亚洲2019 | 99久久免费热在线精品 | 国产亚洲精品一区二555 | 97国产人妻人人爽人人澡 | 欧美日韩精品视频一区二区 | 少妇精品无码一区二区三区 | 亚洲一区在线影院 | 中文无码人妻有码人妻中文字幕 | 成在人线AV无码免费高潮水老板 | 久久久国产片 | 亚洲国产综合精品中久 | 日韩加勒比无码人妻系列 | 又黄又粗暴的120秒免费GIF视频 | 日本乱子伦一区二区三区 | bbox撕裂bass俄罗斯 |