High Quality Stearic acid

Items                              Standard                                            Results

Description:               Yellow to Tan Solid                                 Yellow Solid

Identification:

A: IR:               The IR spectrum of the Sample agrees      The IR spectrum of the Sample agrees

                          with IR spectrum of the Standard            with IR spectrum of the Standard

B:UV:               The UV Spectrum of the Sample agrees    The UV Spectrum of the Sample agrees

                           with UV spectrum of the Standard         with UV spectrum of the Standard

C:HPLC:          The retention time of the major peaks due    The retention time of the major peaks due

                                To pyrantel base and pamoic acid of the       To pyrantel base and pamoic acid of the

                                Sample solution correspond to the Standard  Sample solution correspond to the Standard

                  solution, as obtained in the Assay             solution, as obtained in the Assay Assay                 

                          97.0%-103.0%(dried basis)                          99.8%

Pamoic acid:             63.4%-67.3%(dried basis)                           64.0%

Limit of Iron:             Not more than 0.0075%                       Less than 0.0075%

Residue on Ignition:        Not more than0.5%                               0.02%

Heavy Metals:               Not more than50ppm                          Less than 50ppm

Organic Impurities:

Pyrantel Related:           Not more than0.5%                           Not detected

Compound A   

Impurity B:                Not more than 0.2%                           Not detected

Individual Unspecified:      Not more than 0.1%                           Not detected

impurities                     

Total Unspecified:           Not more than 0.3%                           Not detected

impurities                    

  Total Impurities:           Not more than 1.0 %                          Not detected

  Loss on Drying:            Not more than 2.0 %                              0.07%

Residual Solvent

   Ethanol:                    Not more than 4000ppm                          2322ppm

 Ethyl Formate:             Not more than 4000ppm                         Not detected

Conclusion:

Corresponding to requirement of USP36