Isoproterenol Hydrochloride

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** The hydrochloride salt form of isoproterenol, a synthetic catechol compound and potent beta adrenergic agonist with peripheral vasodilator, bronchodilator, and cardiac stimulating properties. Isoproterenol exerts its effect on the beta-1 adrenergic receptors in the myocardium, thereby increasing heart rate and cardiac output. In addition, isoproterenol acts on beta-2 adrenergic receptors in bronchiolar and vascular smooth muscle, thereby causing smooth muscle relaxation.

**Synonyms:** - 4-[1-Hydroxy-2-[(1-methylethyl)amino]ethyl]-1,2-benzenediol Hydrochloride - ISOPROTERENOL HYDROCHLORIDE - Isuprel