TENORMIN
(atenolol)
TABLETS
Patient Information
From eMedicine Health
- • Learn about High Blood Pressure, Angina, and Heart Attack at eMedicineHealth.com
From WebMD
- • Atenolol is sometimes used to treat high blood pressure. Visit WebMD for additional health information on high high blood pressure.
DESCRIPTION
TENORMINÒ (atenolol), a synthetic, beta1-selective (cardioselective) adrenoreceptor blocking agent, may be chemically described as benzeneacetamide, 4 -[2'-hydroxy-3'-[(1- methylethyl) amino] propoxy]-. The molecular and structural formulas are:

Atenolol (free base) has a molecular weight of 266. It is a relatively polar hydrophilic compound with a water solubility of 26.5 mg/mL at 37กใC and a log partition coefficient (octanol/water) of 0.23. It is freely soluble in 1N HCl (300 mg/mL at 25กใC) and less soluble in chloroform (3 mg/mL at 25กใC).
TENORMIN is available as 25, 50 and 100 mg tablets for oral administration.
Inactive Ingredients: Magnesium stearate, microcrystalline cellulose, povidone, sodium starch glycolate.