Pharm-Rx Fexofenadine Hydrochloride

Pharm-Rx Fexofenadine Hydrochloride, known chemically as fexofenadine hydrochloride, is classified under active pharmaceutical ingredients (APIs) within pharmaceutical actives and precursors in pharmaceuticals and nutraceuticals technologies. This compound is a significant pharmaceutical ingredient commonly used in various formulations for its antihistamine properties.

Chemical Name: Fexofenadine Hydrochloride

CAS Number: 138452-21-8

Certifications & Compliance: California Proposition 65, FDA 29 CFR 1910.1200

Synonyms: Allegra

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    Enhanced TDS

    Identification & Functionality

    Chemical Name
    Molecular formula
    C₃₂H₃₉NO₄ · HCl
    Product Families

    Fexofenadine Hydrochloride contains not less than 98.0% and not more than 102.0% of fexofenadine hydrochloride (C₃₂H₃₉NO₄ · HCl), calculated on the anhydrous basis.

    Chemical Structure

    Fexofenadine Hydrochloride Chemical Structure - 1

    Applications & Uses


    Physical Form
    Typical Properties
    ValueUnitsTest Method / Conditions
    Molecular Weight537.70

    Regulatory & Compliance

    Certifications & Compliance
    FDA Disclaimer

    These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

    USP Reference Standards
    • USP Fexofenadine Hydrochloride RS USP Fexofenadine Related Compound A RS 2-(4-{4-[4-(Hydroxydiphenylmethyl)piperidin-1-yl] butanoyl}phenyl)-2-methylpropanoic acid; Also known as Benzeneacetic acid, 4-[1-oxy-4-[4- (hydroxydiphenylmethyl)-1-piperidinyl]butyl]-α,α- dimethyl
    • C32H37NO4 499.65 USP Fexofenadine Related Compound B RS 3-[1-Hydroxy-4-[4-(hydroxydiphenylmethyl)-1- piperidinyl]butyl]-α,α-dimethyl benzeneacetic acid hydrochloride monohydrate; Also known as 2-(3-{1-Hydroxy-4-[4- (hydroxydiphenylmethyl)piperidin-1-yl]butyl}phenyl)- 2-methylpropanoic acid hydrochloride monohydrate
    • (ERR 1-Feb-2021) C32H39NO4 · HCl · H2O 556.14 (ERR 1-Feb-2021)

    Packaging & Availability

    Labelling Information

    Where it is the hydrate form, the label so indicates. Change to read