DPH01H: Diphenhydramine EP Impurity A

Diphenhydramine USP RC A ;

Dimenhydrinate EP Impurity F ;

2-(Diphenylmethoxy)-N-methylethanamine HCl ;

CAS # 53499-40-4 (HCl) ; 17471-10-2 (base) ;

C16H19NO (base) ; Mol. Wt.: 241.33 ;

C16H20ClNO (HCl) ; Mol. Wt.: 277.79 ;