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

  Chengdu likai chiral tech co., ltd.
  Sell
       About us
       Products
       Buy
       Sell
       Contact us
Sell: Di-p-toluoyl-D-tartaric acid (D-(+)-DTTA)
Date: 2009-11-19
Cas#: 32634-68-7
Specification: Chemical purity: 芒鈥奧?9.0%
Price:
Quantity: Kilogram
Term: 365
Note: Name: Di-p-toluoyl-D-tartaric acid
CAS No.: 32634-68-7
Short form: D-(+)-DTTA
Formula: C20H18O8
Formula Weight: 386.35
Appearance: White or off-white powder
Uses: used in chiral separation racemization amine-group compound.
Specification:
Chemical purity: 芒鈥奧?9.0% Optical rotation: [脦鹵]D20=+136 脗擄-+143脗擄(c=1.0, EtOH)
Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.