DXC02H: Doxycycline EP Impurity B

DXC02H: Doxycycline EP Impurity B

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Methacycline HCl ;

(4S,4aR,5S,5aR,12aS)-4-(Dimethylamino)-3,5,10,12,12a-pentahydroxy-6-methylene-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide HCl ;

CAS # 914-00-1 (base) ; 3963-95-9 (HCl) ;

C22H22N2O8 (base) ; Mol. Wt.: 442.42 ;

C22H23ClN2O8 (base) ; Mol. Wt.: 478.88 ;

 

Supplied as HCl salt ;