国产美女视频黄a视频免费|2019日韩中文字幕mv|国产91对白在线播放丿|精品影院|午夜少妇拍拍视频在线观看

Arbutin / 4-hydroxyphenyl- β- D-glucopyranoside / arbutinha

English Name: arbutinha

CAS:497-76-7

Molecular formula: c12h16o7

Molecular weight: 272.25

Grade: Standard

Purity: > 98%

Physicochemical properties: white slightly yellowish powder, easily soluble in water, methanol, ethanol, propylene glycol, glycerol aqueous solution, no precipitate after dissolution, insoluble in chloroform, ether, petroleum ether, etc

Purpose: biochemical research