久久久91精品国产一区二区精品_免费 a 级毛片在线观看_国产91 丝袜在线播放_亚洲av日韩av 一区_精品国偷自产在线视频网址_制服丝袜无码第1页_无码福利一区二区不卡片_99re国产热这里只有精品_h版大片在线播放亚洲_爱爱免费视频网站

Hebei Zeshuo Pharmaceutical Technology Co., Ltd.

Product

DL-Para-Hydroxyphenylglycine

DL-對羥基苯甘氨酸

    Detail

CAS No:938-97-6
Molecular formulaC8H15NO3
Molecular weight173.2096
Standard Specifications  

 

NO.

Item\Grade\Type

Specification

1

Appearance  powder

 off wihte

2

Assay

  ≥94.0%

3

Acid solution 

  ≤0.15

4

Alkaline solution

  No sediment

5

Lose on drying

≤20.0%

Application
It is an important side chain to synthesis β-lactam antibiotics, such as to produce Amoxicillin, Cefoperazone etc.
Packing25kg plastic woven bag
Storagestore in dry and cool place keep away from sunshine and rain


< return >


Copyright(C)2016,Hebei Zeshuo Pharmaceutical Technology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice