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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