2. Physical PropertiesAppearance: White to off-white crystalline powderSolubility: Soluble in water, methanol, and ethanolStorage: Store at room temperature (20–25°C), protected from light and moisture in airtight containers
3. Pharmaceutical UsesIndications: Treats metastatic breast, colorectal, and gastric cancer (as a prodrug of 5-fluorouracil).Mechanism: Converted to 5-FU in vivo, inhibiting DNA/RNA synthesis in cancer cells.Route: Oral administration (tablets/capsules).
4. Quality StandardsPharmacopoeias: USP, EP, ChP, JPKey Specs:Purity ≥99.0% (HPLC)Individual impurities ≤0.1%Residual solvents comply with ICH guidelines