Pharm-Rx Acetaminophen

Pharm-Rx Acetaminophen, known by the chemical name acetaminophen, falls under the category hierarchy of the healthcare and pharmaceutical markets. Specifically, it is categorized under the applications segment of drug delivery and care solutions, more specifically as an element within other drug and care solutions.

Chemical Name: Acetaminophen

CAS Number: 103-90-2

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

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

Synonyms: 4-Acetamidophenol, 4'-Hydroxyacetanilide, Acetaminofen4-(Acetylamino)Phenol, APAP, N-(4-Hydroxyphenyl)Acetamide, N-Acetyl-P-Aminophenol4-Hydroxyacetanilide, p-(Acetylamino)phenol, p-Acetamidophenol, p-Acetaminophenol, p-Acetylaminophenol, p-Hydroxy-Acetanilid, p-Hydroxyacetanilide, p-Hydroxyphenolacetamide, Paracetamol

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    Enhanced TDS

    Identification & Functionality

    Chemical Name
    Molecular formula
    Product Families

    Acetaminophen contains not less than 98.0% and not more than 102.0% of acetaminophen (C₈H₉NO₂), calculated on the dried basis.

    Chemical Structure

    Acetaminophen - Chemical Structure

    Applications & Uses


    Physical Form
    Typical Properties
    ValueUnitsTest Method / Conditions
    Molecular Weight151.16

    Regulatory & Compliance

    Certifications & Compliance
    Chemical Inventories
    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 Acetaminophen RS USP Acetaminophen Related Compound B RS N-(4-Hydroxyphenyl)propionamide; also known as (IRA 1-Jan-2023)N-(4-Hydroxyphenyl) propanamide
    • C9H11NO2 165.19 USP Acetaminophen Related Compound C RS N-(2-Hydroxyphenyl)acetamide
    • C8H9NO2 151.16 USP Acetaminophen Related Compound D RS N-Phenylacetamide
    • C8H9NO 135.17 USP Acetaminophen Related Compound J RS N-(4-Chlorophenyl)acetamide (p-chloroacetanilide)
    • C8H8ClNO 169.61 USP 4-Aminophenol RS C6H7NO 109.13