Tilidine Mesylate from Japan
Tilidine mesylate, the methanesulfonate salt of tilidine, is imported as a stable form for API production under HTS 2922.44.00.00. As an INN salt of an oxygen-function amino-acid, it aligns with Chapter 29 notes excluding finished products. Primarily for European-market painkillers.
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
• Validate mesylate counterion ratio via HPLC in import docs
• Register as narcotic chemical with state authorities
• Pitfall: Delays from missing INN confirmation letters