国内精品久久久久伊人av,亚洲国产精品一区二区第四页,亚洲日韩成人AV无码网站,chinese熟女熟妇

 Piracetam(Naofukang)
 Tazobactam
 Tazobactam Intermediate
 Ethyl formate
 α-Pyrrolidone
 Sodium Methoxide
 Trimethyliodosilane
 Hexamethyl disilylamine
 Benzene, Toluene Xylene,
 Solventene
 Aniracetam
 Dibenzoyl-L-tartaric acid monohydrate
 
 
Piracetam
 
Quality standard  CP2005

Test Items

Specification index

Appearance  White or almost white crystalline powder, smellless and bitter taste
Melting Point  151-154°C
Structural Formula

Colour Reaction

 Positive reaction

Comparative Spectrum

 Retention time of the principal peak is identical with that of the comparative solution

Comparative spectrum

 Infrared rays absorption spectrum is identical with comparative spectrum

Clarify of solution and colour

 Be up to the standard

PH

 5.0-7.0

Related substances

 The area of total impurities' peak isn't more than the area of the comparative solution's principal peak

Loss on drying

 ≤0.5%

Residue on ignition

 ≤0.1%

Heavy Metals

 ≤20ppm

Assay (HPLC)

 98.0%-102.0%

Microbial Limit Tests

Conforms

Packing

25kgs or 20kgs/paper drum

Usage

Improve ideation and memory, used to cure memory and ideation regression caused by cerebral arteriosclerosis and cerebrovascular accidents

[ Back ]

HOME  |  ABOUT US  |  PRODUCTS  |  ORDER  |  CONTACT  |  CHINESE
Copyright(C)2007,Jiangxi Yuehua Pharmaceutical Co.,Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle
主站蜘蛛池模板: 博客| 北碚区| 陇川县| 平江县| 马龙县| 浏阳市| 嘉定区| 景德镇市| 松溪县| 临安市| 阿尔山市| 洛宁县| 灵台县| 七台河市| 偏关县| 肃北| 休宁县| 武义县| 嘉兴市| 景东| 保山市| 开阳县| 武宁县| 五常市| 米林县| 珠海市| 太仆寺旗| 凤冈县| 汾西县| 广德县| 石泉县| 温州市| 渝北区| 大竹县| 江都市| 云林县| 玉环县| 屏东县| 正蓝旗| 洛隆县| 贵州省|