Tilidine Mesylate from Mexico
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 — Mexico → United States
110%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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