Acebutolol Hydrochloride (Standard) is the standard substance of Acebutolol Hydrochloride, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Acebutolol hydrochloride (Acebutolol HCl) acts as a cardioselective beta-adrenergic antagonist with little effect on bronchial receptors and has intrinsic sympathomimetic properties. Acebutolol hydrochloride is the hydrochloride salt form of acebutolol, a synthetic butyranilide derivative with hypotensive and antiarrhythmic activity. Having stabilizing and quinidine-like effects on cardiac rhythm, Acebutolol hydrochloride is used in ventricular arrhythmias. Other indications include hypertension, alone or in combinations with other agents.