Description

Acetaminophen CAS NO 103-90-2 is a widely recognized pharmaceutical active ingredient and analgesic intermediate. It matters as a critical building block for producing safe and effective over-the-counter and prescription pain relievers and fever reducers. This high-purity compound is essential for manufacturers in the pharmaceutical, nutraceutical, and fine chemical industries requiring reliable, compliant raw materials for final dosage formulations.

Application

• Primary active ingredient in the manufacture of analgesic and antipyretic tablets, capsules, and liquid suspensions.
• Key intermediate in the synthesis of various pharmaceutical formulations, including combination drugs for cold and flu.
• Essential raw material for producing effervescent powders and granules.
• Used in research and development of new drug delivery systems and dosage forms.
• Component in veterinary pharmaceuticals for pain and fever management.
• Starting material for fine chemical synthesis requiring the N-(4-hydroxyphenyl)acetamide structure.

Basic Information

Product Name	Acetaminophen
CAS No.	103-90-2
Molecular Formula	C8H9NO2
Molecular Weight	151.16 g/mol
Synonyms	Paracetamol; APAP; 4'-Hydroxyacetanilide; N-(4-Hydroxyphenyl)acetamide; 4-Acetamidophenol; p-Acetamidophenol; p-Hydroxyacetanilide; Acetaminophen
EINECS	203-157-5

Quality Control

Our Acetaminophen is produced and tested under strict quality management systems to ensure it meets the rigorous standards required for pharmaceutical applications. We offer grades compliant with USP, Ph. Eur., BP, and JP monographs. Every batch is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles to guarantee consistency and regulatory compliance for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White or almost white, crystalline powder
Identification (IR)	Conforms
Identification (HPLC)	Conforms
Assay (HPLC)	98.0% - 102.0% (on dried basis)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.1%; Total impurities ≤ 0.5%
Chloride	≤ 140 ppm
Sulfate	≤ 300 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.