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  • Thus
  • In order to produce high-purity, high-stability cefsulodin, TOKU-E uses industrial HPLC to remove significant quantities of this impurity in 7-ACA and thus produce ultra-pure, ultra-stable, and ultra-potent cefsulodin. (toku-e.com)
  • acid
  • Recently, TOKU-E has found that the main cause of cefsulodin instability stems from one key impurity in 7-ACA (7-aminocephalosporanic acid- a raw material used in the synthesis of cefsulodin). (toku-e.com)