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2933.59.59.00/Flucytosine API Powder/Japan

Flucytosine API Powder from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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

Flucytosine API Powder from Japan — Import Duty Rate | HTS 2933.59.59.00