Buy Acetaminophen Powder (USP API Grade) – Bulk Supply at CityChems.com
At CityChems.com, we supply high‑purity acetaminophen powder (paracetamol, USP API grade) in bulk for research institutions, pharmaceutical manufacturers, and analytical labs. All batches are verified via HPLC and meet USP specifications (98–102% purity) for industrial, synthetic, or analytical use. This offering is intended exclusively for manufacturing and laboratory use—not for retail or medical use by the public.
Acetaminophen (CAS 103‑90‑2), with molecular formula C₈H₉NO₂ and molecular weight ~151.16 g/mol, is a white, odorless crystalline powder reliably used for analgesic and antipyretic applications in pharmaceutical production or as an analytical reference standard.
Applications & Use Cases
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Pharmaceutical API manufacturing (e.g. tablets, suspensions)
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Quality control and analytical labs requiring USP-grade reference material
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Pharmacokinetic and stability studies using crystalline acetaminophen standard
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Compounding laboratories in industrial settings
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Analytical calibration for HPLC, GC-MS validation and assay development
Acetaminophen is also used as an intermediate in organic synthesis, hydrogen peroxide stabilizers, or photographic chemicals.
⚠️ Safety & Compliance Notice
Acetaminophen is regulated as a pharmaceutical chemical—its use is limited to licensed manufacturers, research organizations, and professional laboratories. It is not for over-the-counter or medical use by consumers. Avoid inhalation or ingestion during handling; it may irritate respiratory tract, eyes, and skin.




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