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NANJING PHARMA CHEMICAL PLANTTEL:0086-25-85573482 FAX:0086-25-85579530 CERTIFICATE OF ANALYSIS Product name: Furagin Packing：25kg/drum Batch No：20040701CAS NO:1672-88-4 Quantity：10gManufacture Date: 20/07/2004 Expiry date:20/07/2008 TEST SPECIFICATIONS RESULTS Description Yellow to orange-yellow colour powder Conforms almost odourlessSolubility Moderately soluble in DMF, Comforms Practically insoluble in water and Alcohol 96%Identification 1.UV-specter-absorbance ConformsMaximums at (292m±2 nm),396±2 nm) 2.Quality reaction PositiveForeign impurities not more than 1.0% AbsentChloride not more than 0.01% Less than 0.01%Sulfate not more than 0.05% Less than 0.05%Loss on drying not more than 2.0% 1.23%Sulfated ash not more than 0.1% 0.03%Heavy metals(Pb) not more than 10ppm <10ppmAssay(HPLC) 98.O-100.5% 99.52% (Calculated on the dried basis)