4-Hydroxypropranolol-d7 (hydrochloride) is a deuterium labeled 4-Hydroxypropranolol hydrochloride. 4-Hydroxypropranolol hydrochlorid is an active metabolite of Propranolol, with potency comparable to Propranolol. 4-Hydroxypropranolol hydrochlorid inhibits β1- and β2-adrenergic receptors with pA2 values of 8.24 and 8.26, respectively. 4-Hydroxypropranolol hydrochlorid has intrinsic sympathomimetic activity, membrane stabilizing activity and potent antioxidant properties[1][2][3].
References:
[1]. Fitzgerald JD, et al. Pharmacology of 4-hydroxypropranolol, a metabolite of propranolol. Br J Pharmacol. 1971 Sep;43(1):222-35.
[2]. Nelson WL, et al. The 3,4-catechol derivative of propranolol, a minor dihydroxylated metabolite. J Med Chem. 1984 Jul;27(7):857-61.
[3]. Ivan Tong Mak, et al. Potent Antioxidant Properties of 4-Hydroxyl-propranolol. Journal of Pharmacology and Experimental Therapeutics. 2004, 308(1):85-90.