斗转星移合成怎么进不去,a级片电影免费在线视频,九九热这里只有精品6,免费吃奶摸下激烈视频网址,国产麻豆a一级毛片爽爽影院,波霸女的淫欲生活,孽乱呻吟声老妇

  Shanghai Hongbang Medical Technology CO., Ltd
  Sell
       About us
       Products
       Buy
       Sell
       Contact us
       Chinese
Sell: D-Threonine
Date: 2024-02-29
Cas#: 632-20-2
Specification: 98.0%min
Price:
Quantity: 50000Kilogram
Term: 365
Note: Name: D-Threonine;
Synonyms: D-2-Amino-3-hydroxybutanoic acid;
(2R,3S)-2-Amino-3-hydroxybutyric acid;


Molecular Formula: C4H9NO3;
Molecular Weight: 119.12;
EINECS: 211-171-8;

Properties:
Melting point: 274 脗潞C;
alpha: 28 脗潞 (c=6, water);
Water solubility: soluble ;


Appearance: white to off-white crystalline powder;
Assay: 98.0%(HPLC)min;


.....


Contact: David SUN ;
E-mail: sun.reagent@gmail.com ;
MSN messenger: david-sun2011@hotmail.com
Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.