Beijing Mesochem Technology Co., Ltd.  

Product Name: Value High Quality Chemical Value Brivaracetam Model NO.: 357336-20-0 Purity: >99% State: Solid Suitable for: Adult Certification: GMP Powder: Yes Trademark: Mesochem Transport Package: Aluminum Foil Bag and Cardboard Bucket Specification: gram&kg Origin: China HS Code: 2934999090 Product Description Certificate of AnalysisProduct Name: BrivaracetamCASNo.:357336-20-0BatchNo.HF170627Quantity2.50kgsMfg. DateJun. 27, 2017PackageAs requiredRep. DateJun. 30, 2017Exp. DateJun.26, 2019ItemsStandardsResultsAppearanceWhite or off-white crystallinepowderCompliesIdentificationBy IRCompliesBy HPLCCompliesSpecific Optical Rotation(MeOH,c=1.0g/100mL)-61.0°~- 64.0°-62.0°WaterContent(KF)≤1.00%0.10%Heavymetals≤20ppmCompliesResidue on Ignition≤0.10%0.04%Residual Solvents(GC)Tert-Butyl methyl ether: ≤5000ppm90ppmRelatedSubstancesSum of (R,R-isomer and S,S-isomer): ≤0.45%NDRelated compound 1: ≤0.05%NDOther maximumsingle impurities: ≤0.10%0.03%Total impurities: ≤1.00%0.05%RelatedSubstanceChiral(HPLC)R,R-Isomer: ≤0.15%NDR,S-Isomer: ≤0.15%NDS,S-Isomer: ≤0.30%NDAssay(HPLC basis on drying)98.0%~102.0%99.99%Reference StandardIn-house StandardConclusionThe productcompliedtoIn-housestandard.StoragePreserve in tight,light-resistant containers in a cool place