A method for treating cefotiam hydrochloride, comprises the following steps: step 1), dissolving the raw material cefotiam hydrochloride in water, treating it with an acidic salt, then cooling it, and filtering the precipitate to obtain an aqueous filtrate

A method for treating cefotiam hydrochloride comprises the following steps: step 1) dissolving the raw material cefotiam hydrochloride in water treating it with an acidic salt then cooling it and filtering the precipitate to obtain an aqueous filtrate; step 2) adding a water-immiscible solvent to the above aqueous solution for extraction and then separating the organic phase containing impurities to obtain an aqueous solution containing cefotiam hydrochloride; step 3) adding to the aqueous solut...