Flucytosine API Powder from China
Flucytosine is a fluorinated pyrimidine antifungal drug with nitrogen hetero-atoms only in its ring structure. Classified in HTS 2933.59.59.00 as an 'other' drug under pyrimidine compounds. Excludes halogen emphasis that might shift classification.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Provide NMR spectrum confirming pyrimidine ring integrity despite fluorination
• Controlled substance documentation may be required for antifungal APIs
• Segregate from dosage forms to maintain Chapter 29 chemical classification