Product Name: Hot Selling Anti-Rheumatism Pharmaceutical Chemicals Tofacitinib Citrate 540737-29-9 Model NO.: Tofacitinib Citrate Volatile: Not Volatile State: Solid Type: Chemicals Grade Standard: Medicine Grade Certification: GMP, FDA, ISO Function: Anti-Rheumatism Color: White or off-White Solid Powder Trademark: Sjar-Tech Transport Package: Cardboard Drums or Cartons Specification: gram, kilogram Origin: China HS Code: 2934999099 Product Description ItemsStandardsResultsAppearanceWhite or off-white solid powderWhite solid powderIdentificationBy IRCompliesBy HPLCCompliesSolubilitySlightly soluble in water, very slightly soluble in methanol, hardly insoluble in ethanol, acetone and acetonitrileCompliesLoss on Drying≤0.50%0.32%Heavymetal≤10ppmCompliesResidue on Ignition≤0.20%0.05%Enantiomer(SS) ≤0.1%NDCitrate36.2% ~ 40.0% (on dried basis)37.3%Residual SolventsPetroleum ether: ≤3000ppmNDEthanol: ≤5000ppm260ppmEthyl ether: ≤5000ppmNDAcetone: ≤5000ppmNDn-Butyl alcohol: ≤5000ppmNDDichloromethane: ≤600ppmNDRelatedSubstances(RS+SR): ≤0.10%NDAny single impurity: ≤0.10%0.07%Total Impurities: ≤0.30%0.21%Assay(HPLC basis on drying)99.0%~101.0%99.85%Particle SizeD90: ≤50µm27.61µmReference StandardIn-house StandardConclusionThe productcompliedtoIn-housestandard.StoragePreserve in tight,light-resistant containers in a cool place