Dicumarol from Japan
Dicumarol is a naturally-derived aromatic lactone anticoagulant originally isolated from spoiled sweet clover. Classified under HTS 2932.20.20.00 as an aromatic lactone drug with oxygen-containing heterocyclic ring. Used historically for thrombosis treatment before synthetic alternatives.
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 pharmacopoeia reference standards (USP/NF) in documentation to verify identity and potency
• Declare batch-specific stability data as lactones can degrade; maintain cold chain if required
• Differentiate from food contaminants; provide proof of pharmaceutical-grade separation from plant matrix