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7-ACA (7-aminocephalosporanic acid) is the core chemical structure for the synthesis of cephalosporin antibiotics and intermediates. It can be obtained by chemoenzymatic hydrolysis of cephalosporin C.
A 1217 (OTTO) 7-Aminocephalosporanic acid, 98% Cas no 957-68-6 - used as a starting compound for semisynthetic cephalosporin antibiotics.