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    2. Professional development and production of pharmaceutical intermediate products

      The main products are: rebamipide, 2,3-dibromo-2-butene-1,4-diol, 2-acetoxyisobutyryl chloride, ethyl silicate (condensation), anhydrous lithium bromide, a Methylamine methanol solution, tetradecyl trimethyl ammonium bromide.


      changteng new pharmaceutical

      Molecular Formula C5H4ClNO
      Molecular Weight 129.55
      Structural Formula
      CAS NO. 6636-78-8
      Performance White-like crystal powder; light soluble in water; soluble in hot water; melting point: 169℃; eay sublimation. 
      Main Use Being used in organic sythesisi, pesticide and pharmaceutical industry.

      Quality Standard

      (Enterprise Standard)

      Index Name


      Content (HPLC)


      Melting Point (melting range2℃)


      Moisture (K.F)



      White cystal or powder


      Inner double film plastic bag coated fiber can; net weight: 25kg.

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