SPL Set ID: 12202ef3-c65e-45a6-88ed-5d945d8fd41c
1 drug(s) with this SPL Set ID
Naproxen tablets are nonsteroidal anti-inflammatory drugs available as follows: Naproxen tablets are available as white to off-white tablets containing 250 mg, 375 mg and 500 mg of naproxen for oral administration. Naproxen is a propionic acid derivative related to the arylacetic acid group of nonsteroidal anti-inflammatory drugs. The chemical names for naproxen and naproxen sodium are (S)-6-methoxy-a-methyl-2-naphthaleneacetic acid and (S)-6 methoxy-a-methyl-2-naphthaleneacetic acid, sodium salt, respectively. Naproxen has a molecular weight of 230.26 and a molecular formula of C 14 H 14 O 3 . Naproxen sodium has a molecular weight of 252.23 and a molecular formula of C 14 H 13 NaO 3 . Naproxen and naproxen sodium have the following structures, respectively: 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. The octanol/water partition coefficient of naproxen at pH 7.4 is 1.6 to 1.8. The inactive ingredients in naproxen tablets include: croscarmellose sodium, magnesium stearate, and povidone. structure-jpg.jpg