CAS: 1276197-49-9

Applications L-Propoxyphene-d5 Hydrochloride is the isotope labelled analog and L-isomer of Propoxyphene Hydrochloride (P831500); a controlled substance (opiate) and analgesic (narcotic). The α-DL-and D-diastereoisomers possess marked analgesic activity in contrast to the β-diastereoisomers which are substantially inactive. Oral administration of L-Propoxyphene Hydrochloride enhances the analgesic activity of D-Propoxyphene Hydrochloride. References Goldenthal, E.I., et al.: Toxicol. Appl. Pharmacol., 18, 185 (1971); McEwan, B., et al.: Anal. Profiles Drug Subs., 1, 301 (1972); Murphy, P.J., et al.: J. Pharmacol. Exp. Ther., 199, 415 (1976)