Fexofenadine-d6 N-oxide

SL-6514

Fexofenadine-d₆ N-oxide, >98% (HPLC)

Isotopic Purity : 99 atom % D

IUPAC Name : 1-(4-(4-(2-Carboxypropan-2-yl)phenyl)-4-hydroxybutyl)-4-(hydroxydiphenylmethyl)piperidine 1-oxide-d₆

Price And Availability
Pack Size	Price in USD	Add To Shopping Cart	Availability	Shipping Status
5MG	Request A Quote		Back Order	Estimated to ship on 04 October 2026
10MG	Request A Quote		Back Order	Estimated to ship on 04 October 2026
25MG	Request A Quote		Back Order	Estimated to ship on 04 October 2026

Applications : Fexofenadine-d₆ N-oxide is a deuterium labelled version an impurity of Fexofenadine, which is a histamine H1 receptor antagonist, used in seasonal allergic rhinitis and chronic idiopathic urticarial.

References : Corcostegui R. et al.: Drugs R D, 6(6), 371-38, 2005; Petri N. et al.: Pharm Res., 21(8), 1398-1404, 2004; Liu T. et al.: Heart Rhythm., 3(8), 948-956, 2006; Kamath A. V. et al.: J. Pharm Sci., 94(2), 233-239, 2005; Tahara H. et al.: Drug Metab Dispos., 33(7), 963-968, 2005.

Storage : Keep container tightly closed under nitrogen or argon and refrigerate for long-term shelf life.

Caution : In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves.