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

L-Mannose；L-(?)-Mannose

CAS No.: 10030-80-5

C6H12O6=180.16

Grade: AR

Content: ≥ 99%

Specific rotation: -13 ~ -15 o (c=4, H2O)

Physicochemical properties: white or off white powder. Soluble in water, melting point 129 ~ 131 ℃

Purpose: biochemical research.

Save: RT