CLR11: Clarithromycin EP Impurity K

CLR11: Clarithromycin EP Impurity K

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Clarithromycin Impurity K (USP) ;

(1S,2R,5R,6S,7S,8R,9R,11Z/E)-2-Ethyl-6-hydroxy-9-methoxy-1,5,7,9,11,13-hexamethyl-8-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-3,15-dioxabicyclo[10.2.1]pentadeca-11,13-dien-4-one ;

CAS # 127157-35-1 (11Z) ;

C30H51NO8 ;

MW: 553.73 ;