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

  Heng nuo chemical technology co.,ltd.
  Sell
       About us
       Products
       Buy
       Sell
       Contact us
Sell: MMTZ (1-Methyltetrazole-5-thiol) CAS# 13183-79-4
Date: 2015-10-15
Cas#: 13183-79-4
Specification: MMTZ
Price:
Quantity: Kilogram
Term: 7
Note: Chemical Name:5-Mercapto-1-methyltetrazole,1-Methyl-5-mercapto-1,2,3,4-tetrazole; 1-Methyltetrazole-5-thiol
CAS NO:13183-79-4
Molecular Formula : C2H4N4S
Molecular Weight : 116.14
Assy: 芒鈥奧?9.0%
Melting Point : 125-128芒鈥炂抃
Appearance:white crystal
Dissolve: Dissolve in hot water, Chloroform,organic ether solvent.
Packaging:25kg/Drum
Usage:Pharmaceutical intermediates for Cephalosporins,eg: Cefamandole,cefoperazone, cefmetazole sodium,Ceftezole
Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.