Flucytosine Micronized Powder from China
Flucytosine is a fluorinated aromatic pyrimidine antifungal agent, imported as micronized API powder. Falls under HTS 2933.59.80.00 for modified aromatic pyrimidine heterocycles per chapter note on halogenated derivatives. Used in pharmaceutical manufacturing.
Duty Rate — China → United States
112.5%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Particle size distribution certificate required for micronized grade to confirm specifications
• Halogen content declaration essential as chapter notes include fluorinated derivatives
• Segregate from other APIs during shipping to avoid cross-contamination claims