bupropion hydrochloride 99%min. we can supply excellent quality and good price Certificate of Analysis Product name Bupropion Hydrochloride Batch no 20100404 Manufacture date Apr.05.2010 Retest Dat Apr.04,2013 Report date Apr.15,2010 Batch size 126.27kg Standard USP31 Test results Items Specifications Results Appearance White powder White powder Solubility Soluble in water,ethanol and 0.1Nhydrochloric acid Conforms Identification IR absoption:Matches with standard Conforms HPLC RT:Matches with standard Conforms A solution of 1mg/ml in water meets the requirement of the silver nitrate precipitate test for chloride Conforms Related compounds TLC m-chlorobenzoic acid:NMT0.2% 0.15% Any other individual impurity:NMT0.1% None detected HPLC Impurity-A:NMT0.2% 0.05% Impurity-B:NMT0.2% None detected 2-(tert-butylamino)propiophenone bydrochloride:NMT 0.5% None detected 1-(3-chlorophenyl)-1,2-propanedione:NMT0.2% None detected 2-(tert-butylamino)-2-chloropropionphenone hydrochloride:NMT0.1% None detected 3’-Chloropropiophenone:NMT0.1% None detected 2-bromo-3’-chloropropiophenone:NMT0.1% None detected 2-(tert-butylamino)-3’,4’-chloropropiophenone hydrochloride:NMT0.2% None detected 2-(tert-butylamino)-3’,5’-chloropropiophenone hydrochloride:NMT0.2% None detected Any other individual impurity:NMT0.1% 0.03% Total unidentified impurities:NMT0.3% 0.04% Total impurities:NMT1.0% 0.24% Residual solvents(GC) Dichloromethane:NMT300ppm 135ppm Isopropanol:NMT3000ppm 270ppm Water(KF) NMT0.5% 0.08% Assay(HPLC) NLT98.0%and NMT102.0%(on anhydrous basis) 99.5% Packaging Preserve in well-closed,light-resistant containers Conclusion The product complies with the specification of USP31 standard.