Diltiazem USP RC H ;

N,N,O-Tri-Desmethyl Desacetyl Diltiazem HCl ; 

(2S,3S)-5-[2-(Amino)ethyl]-2-(4-hydroxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-ol hydrochloride ;

CAS # 115992-91-1 (base);

C17H19ClN2O3S ;
Mol. Wt.: 366.86 ;