Product: (s)-(-)-indoline-2-carboxylic acid

Specification:
         Appearance:  white or yellow crystal powder  
              Assay:  ≥98.0%  
      Melting point:  165℃－170℃  
   Total Impurities:  ≤2.0%  
           Rotation:  -114°~ -118°  
           Moisture:  ≤0.5%  
Residue on ignition:  ≤0.2%  
            (R)-(+):  ≤0.15% 

Packing:  25kg cardboard drum, lined with double-layer plastic bag