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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2415631Generated: November 2, 2026

Acetaminophen → Safapryn

https://huagongshe.com/reaction/2415631

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetaminophenHCID 1983—
ReactantAspirinHCID 2244—
ReactantMagnesium StearateHCID 11177—
ProductSafaprynHCID 83966—

Reaction Steps

320 mg of acetaminophen or aspirin (USP Powder, CAS-50-78-2), 175 mg of microfibrillated/powdered cellulose or microcrystalline cellulose (Avicel PH-102), and 5 mg of magnesium stearate were homogenously mixed and then compressed on a Carver Press using a 10-mm die and punches and a pressure of 4000 lbs and a dwell time of 1 min. The hardness and disintegration times of tablets are presented in Table 3.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06821531B2
Source datasetuspto-grants-2004_11
ORD IDord-c60b91e4277b478cb62af7f64a48aac4
Source noteuspto-grants-2004_11