Cefdinir description

Cefdinir capsules contains the active ingredient cefdinir, an extended-spectrum, semisynthetic cephalosporin, for oral administration. Chemically, cefdinir is [6R-[6α,7β(Z)]]-7-[[(2-amino-4 thiazolyl) (hydroxyimino) acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Cefdinir is a white to slightly brownish-yellow solid. It is slightly soluble in dilute hydrochloric acid and sparingly soluble in 0.1 M pH 7.0 phosphate buffer. The molecular formula is C14H13N5O5S2 and the molecular weight is 395.42. Cefdinir has the structural formula shown below:

Cefdinir capsules contain 300 mg of cefdinir and the following inactive ingredients: carboxymethyl cellulose calcium; colloidal silicon dioxide; and magnesium stearate. The capsule shells contain gelatin and titanium dioxide.^[1]

Adapted from the FDA Package Insert.