纯肉无码H肉动漫在线观看,肉动漫无遮挡在线观看无修图,纯肉无遮挡H肉动漫在线观看3D

<code id="isagd"><nobr id="isagd"></nobr></code><pre id="isagd"></pre>
  • <code id="isagd"><nobr id="isagd"><sub id="isagd"></sub></nobr></code>
    1. <strike id="isagd"><video id="isagd"></video></strike>
    2. Hebei Zeshuo Pharmaceutical Technology Co., Ltd.

      Product

      DL-Para-Hydroxyphenyl Hydantoin

      DL-對羥基苯海因

          Detail

      CAS: 2420-17-9
      Molecular formula: C8H9N2O3
      Molecular weight: 192.18


      Standard Specifications 

      NO.

      Item\Grade\Type

      Specification

      1

      Appearance

       White or almost white crystalline powder

      2

      Assay

      ≥98.5%

      3

      Ortho position

      ≤0.5%

      4

      Absorption

       ≤0.05

      5

      Melting point

       262.0-264.0℃

      6

      Moisture

       ≤1%

      Application:

      It is an important side chain to synthesis β-lactam antibiotics, frequently used in the production of Amoxicillin etc.

      Packing: 25kg plastic woven bag.
      Storage: store in dry and cool place keep away from sunshine and rain


      < return >


      Copyright(C)2016,Hebei Zeshuo Pharmaceutical Technology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice

       
       
       
       
       
      纯肉无码H肉动漫在线观看,肉动漫无遮挡在线观看无修图,纯肉无遮挡H肉动漫在线观看3D