meta-Fexofenadine is an impurity of Fexofenadine. Fexofenadine, a H1R antagonist, is an anti-allergic agent used in seasonal allergic rhinitis and chronic idiopathic urticarial.

479035-75-1

C32H39NO4

501.66

meta-Terfenadine carboxylate;meta-MDL-16455;meta-Fexofenadine

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years