Sinoway Industrial Co., Ltd

Date: 9th May 2016
Letrozole
Sinoway Industrial Co.,Ltd is a famous China letrozole manufacturer and supplier,Website:http://www.sinoway-chem.com, welcome to buy GMP and EP letrozole from us and check the price with us.Basic information of Letrozole:NameLetrozoleAlias4,4'-(1H-1,2,4-TRIAZOL-1-YLMETHYLENE) BIS-BENZONITRILE;FEMARA;CGS-20267;LETROZOL;LETROZOLE;LetrozoleUsp28;Letrozole99%;CGS-20267, FemaraCAS NO.112809-51-5Molecular FormulaC17H11N5Molecular Weight285.3Quality StandardUSP32Package Size25kg/drumUse of Letrozole:A nonsteroidal aromatase inhibitor structurally related to Fadrozole. AntineoplasticCOA of Letrozole :ItemsSpecificationAppearanceWhite to yellowish, crystalline powderIdentificationA.IR spectrum of sample should be identical to that of Reference Standard;The retention time of major peak in the chromatogram of the Assay preparation should correspond to that in the chromatogram of Standard preparation, as obtained in the Assay.Showing the white precipitate reaction.WaterNot more than 0.3%Residue on IgnitionNot more than 0.1%Heavy MetalsNot more than 0.001%Related CompoundsCompound A: Not more than 0.1%4,4',4'-methylidenetrisbenzonitrileNot more than 0.2%Any other impurityNot more than 0.2%All other impuritiesNot more than 0.2%Residual SoventsEthanol: Not more than 3000ppmEthyl acetateNot more than 2000ppmDMFNot more than 880ppmMicrobe LimitBacteria: Not more than 200/gMold and yeastNot more than 50/gEscherichia colishould be absentAssay(anhydrous)98.0% to 102.0% of Cl7H11N5 on dried basisPackaging and StoragePreserve in tight containers at controlled room temperature.ConclusionConforms to the USP32.
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86-0592-5887162
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86-0592-5854960

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16/F., Huicheng Comm. Complex, No.839 Xiahe Rd, Xiamen, China
Xiamen, 361004

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www.sinoway-chem.com

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