Pharm-Rx Undecylenic Acid

Pharm-Rx Undecylenic Acid functions in over-the-counter (OTC) capacities within pharmaceuticals and nutraceutical technologies. Comprised of 10-Undecenoic acid, it falls under active pharmaceutical ingredients (APIs) in pharmaceutical actives and precursors. Undecylenic acid is commonly used as an active component in various pharmaceutical formulations.

Chemical Name: 10-Undecenoic acid

CAS Number: 112-38-9

Chemical Inventories: AICS (Australia), DSL (Canada), ECL (Korea), EINECS (EU), ENCS (Japan), IECSC (China), NZIoC (New Zealand), PICCS (Phillipines), TCSI (Taiwan), TSCA (USA)

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

Synonyms: 10-hendecenoic acid, 10-Undecylenic acid, omega-Hendecenoic Acid, omega-Undecenoic Acid, Undecelinic Acid, Undecen-10-acid-1, Undecenoic Acid, Undecylenic Acid

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    Identification & Functionality

    Chemical Name
    Pharma & Nutraceuticals Functions
    Molecular formula

    Undecylenic Acid contains not less than 97.0% and not more than 102.0% of undecylenic acid (C₁₁H₂₀O₂).

    Chemical Structure

     - 1

    Applications & Uses


    Physical Form
    Typical Properties
    ValueUnitsTest Method / Conditions
    Molecular Weight184.28

    Regulatory & Compliance

    USP Reference Standards
    • USP Undecylenic Acid RS (USP 1-Aug-2022)

    Storage & Handling

    Storage Information

    Preserve in tight, light-resistant containers. Add the following: