Beijing Mesochem Technology Co., Ltd.  

Product Name: High Purity Pharmaceutical Chemicals Tofacitinib Citrate CAS 540737-29-9 Model NO.: 540737-29-9 Volatile: Not Volatile State: Solid Type: Chemical Medicine Raw Materal Grade Standard: Medicine Grade Certification: GMP, USP, Ep, Bp Function: Chemical Medicine Raw Materal Name: Tofacitinib Citrate CAS Registry Number: 540737-29-9 Molecular Formula: C16h20n6o.C6h8o7 Molecular Weight: 504.50 Trademark: Mesochem Transport Package: 10kg/Barrel Specification: GMP Origin: China HS Code: 2934999090 Product Description Beijing Mesochem Technology Co., Ltd is located in national economic and technological development of Yizhuang, which is a gathering place of world's top 500 enterprises. Devoting to pharmaceutical chemicals, find chemicals, and fundamental chemical material, Mesochem owns independent right of import and export.based on abundant resources from Beijing various colleges and universities, Mesochem focused on incessant innovation along with research and development of new products. Certificate of Analysis Product Name: Tofacitinib Citrate CASNo.:540737-29-9BatchNo.HF161021Quantity3.66kgsMfg. DateOct.21, 2016PackageAs requiredRep. DateOct. 23, 2016Exp. DateOct. 20, 2018ItemsStandardsResultsAppearanceWhite or off-white solid powderWhite solid powderIdentificationBy IRCompliesBy HPLCCompliesSolubilitySlightly soluble in water, very slightly soluble in methanol, hardly insoluble in ethanol, acetone and acetonitrileCompliesSpecific Rotation+9.0°~ +13.0°(0.6g/100ml in DMSO)+10.0°Loss on Drying≤0.50%0.25%Heavymetal≤10ppmCompliesResidue on Ignition≤0.20%0.10%Enantiomer(SS) ≤0.1%NDCitrate36.2% ~ 40.0% (on dried basis)38.3%Residual SolventsPetroleum ether: ≤3000ppmNDEthanol: ≤5000ppmNDEthyl ether: ≤5000ppmNDAcetone: ≤5000ppmNDn-Butyl alcohol: ≤5000ppmNDDichloromethane: ≤600ppmNDRelatedSubstances(RS+SR): ≤0.10%NDAny single impurity: ≤0.10%0.05%Total Impurities: ≤0.30%0.07%Assay(HPLC basis on drying)99.0%~101.0%99.85%Reference StandardIn-house StandardConclusionThe productcompliedtoIn-housestandard.StoragePreserve in tight,light-resistant containers in a cool place