Freie Säure von Ceftiofur

ceftiofur free acid/ raw material/ 15kg/drum/ off-white or pale yellow if you are interested in this product pls don't hesitate to contact us for more information as one API manufacturer in China, we can provid you product with good quality and good price Items SpecificationAnalysis ResultIdentificationThe retention times of the major peaks in the chromatogram of the assay preparation correspond to those of the Standard preparation obtained in the assay conformDescriptionWhite, grey-yellow powderGrey-yellow crystalline powderSolution colorNot darker than 9# yellow standard solutionConformConstituted solutionThinner than No.1 standard liquid of turbidity0.5Water ContentNot more than 3.0%2.4%Solvent residueNot more than 2.0% ConformAssayNLT 98% (Calculated on anhydrous substance)105.0%