药物信息为Naproxen Tablets (Dr. Reddy's Laboratories Limited): DESCRIPTION

Naproxen is a proprionic acid derivative related to the arylacetic acid group of nonsteroidal anti-inflammatory drugs.The chemical name for naproxen is (S)-6-methoxy-a-methyl-2-naphthaleneacetic acid. Naproxen has the following structure:

Naproxen has a molecular weight of 230.26 and a molecular formula of C14H14O3.Naproxen is an odorless, white to off-white crystalline substance. It is lipid-soluble, practically insoluble in water at low pH and freely soluble in water at high pH. Theoctanol/water partition coefficient of naproxen at pH 7.4 is 1.6 to 1.8.

Naproxen Tablets, USP are available as white tablets containing 250 mg of naproxen, white tablets containing 375 mg of naproxen and white tablets containing 500 mg ofnaproxen for oral administration. The inactive ingredients are Croscarmellose Sodium, Povidone and Magnesium Stearate.