Idarubicin Hydrochloride: C~26~H~27~NO~9~ HCl. Mw: 533.95. (1) 5,12-Naphthacenedione, 9-acetyl-7-[(3-amino-2,3,6-trideoxy-α-L-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,9,11-trihydroxyhydrochloride, (7S-cis)-; (2)(1S,3S)-3-Acetyl-1,2,3,4,6,11-hexahydro-3,5,12-trihydroxy-6,11-dioxo-1-naphthacenyl 3-amino-2,3,6-trideoxy-α-L-lyxo-hexopyranoside, hydrochloride. CAS-57852-57-0; CAS-58957-92-9 (idarubicin)(1987).