日本欧美高清乱码一区二区,在线911精品亚洲,亚洲午夜免费小视频,视频一区二四三区四区

<dfn id="danvx"></dfn>

    1. Welcome to visit Changzhou Chengbang Chemical Co., Ltd. official website!

      CollectionHomepage中文版

      More>>
      Stearic acid
      Product name: Stearic acid
      CAS NO: 57-11-4
      Molecular weight: 284.48 
      EC NO: 200-313-4
      Molecular formula: C18H36O2
      InChI: InChI=1/C18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H,19,20)
      Structural formula:
        Order                   Back