Polmacoxib 2-Fluorophenyl Impurity

Polmacoxib 2‑Fluorophenyl Impurity (also known as Polmacoxib Impurity 6, CAS 301693‑28‑7) is a specific process-related impurity or reference standard. Chemically it's 4‑(3‑(2‑fluorophenyl) ‑5,5‑dimethyl‑4‑oxo‑4,5‑dihydrofuran‑2‑yl)benzenesulfonamide. This compound is used in pharmaceutical quality control and analytical method development to identify and quantify trace impurities, ensuring the purity, safety, and regulatory compliance of polmacoxib drug products.