Idoxuridine Crystals from Japan
Idoxuridine is a iodinated pyrimidine nucleoside antiviral drug containing only nitrogen hetero-atoms in its core structure. HTS 2933.59.59.00 covers it as an 'other' pyrimidine drug, prioritizing ring structure over halogenation. Used in topical antiviral formulations.
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%
Import Tips
• Include synthetic route documentation showing pyrimidine as principal characteristic
• Hazardous material declaration required for iodine content during transport
• USP reference standard certificate prevents generic chemical reclassification