色综合合久久天天给综看,天天干天天在线,日本免费大黄在线观看,天天干影院,性感黑丝美女视频,美女视频在线看网址,超高清美女视频

  Chengdu likai chiral tech co., ltd.
  Sell
       About us
       Products
       Buy
       Sell
       Contact us
Sell: Diethyl-D-tartrate
Date: 2009-11-19
Cas#: 13811-71-7
Specification: Chemical purity: 芒鈥奧?9.0%
Price:
Quantity: Kilogram
Term: 365
Note: Name: Diethyl-D-tartrate
CAS No.: 13811-71-7
Formula: C8H14O6
Formula Weight: 206.19
Appearance: Colorless or pale yellow transparent liquid
Uses: used in chiral medicine, chiral intermediate and asymmetric catalysis, or its titanium complex can be used in the asymmetric oxidization of enol, or used in d-脦鹵-vitamin E.
Specification:
Chemical purity: 芒鈥奧?9.0%
E.e.: 芒鈥奧?9.0%
Optical rotation: [脦鹵]D20=-25 脗擄- -27脗擄(c=1.0,H2O)
Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.