Certificate of AnalysisProductName:Product Name:A922500A 922500Formula:MolWeight:CAS No.: Cat. No.:Batch No:Test Date:Retest Date:C26H24N2O4428.459122-11-3HY-10038034282011-2-252013-2-24ItemsAppearanceSpecificationsWhite to off-white solid1H NMR spectrum of sample corresponds to that of standardpreparationMass spectrum of sample corresponds to that of standardpreparation ResultsConformsConformsConformsIdentificationThe retention time of the major peak in the chromatogram ofsample corresponds to that in the chromatogram of standardpreparationPurity by HPLCNLT 98.0%ConclusionThe product tested complies with the specifications.Conforms98.16%Storagecondition:StoreinatightlyclosedcontainerinacoolanddryplaceStorage condition: Store in a tightly closed container, in a cool and dry place.Caution: Not fully tested. For research purposes onlyMedchemexpress LLCwww.medchemexpress.com18Wilkinson Way, Princeton, NJ 080,USAEmail: info@medchemexpress.com Web: www.medchemexpress.com