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      3,4-Dihydroxy Benzaldehyde
      
        
      
          
      CAS NO: 139-85-5
      
          
      Structure: 
      
          
      Appearance: Gray Crystalline   Powder
      
          
      Content: 99%
      
          
      Loss on Drying: ≤1%
      
          
      Melting Point: 153-155°C