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

Contact Us
Nanjing duly Biotechnology Co., Ltd.
地址:南京市浦口區(qū)創(chuàng)芯匯2棟503
郵編:210031
電話:025 84699415
傳真:025 84699415

D-Phenylglycine;D-2-Phenylglycine;(R)-(-)-α-Aminophenylacetic acid

CAS No.: 875-74-1
Item No.: AA0236
Store at: RT

CAS No.: 875-74-1

C8H9NO2=151.16

Grade: BR

Content: ≥ 99.0%

Specific rotation: -156 ± 2 o (c=1 in 1n HC1)

300MHz 1H: consistent with the standard sample

Physicochemical properties: white or off white crystalline powder. Melting point: 302 ° C. Absorbance: ≤ 0.030

Purpose: biochemical research. It is used for manufacturing and synthesizing intermediates of semi synthetic penicillin and cephalosporin.

Save: RT



Copyright ?2021 南京杜萊生物技術(shù)有限公司 版權(quán)所有 Record No:蘇ICP備18062211號(hào)-1