Tolterodine Tartrate from Japan
Tolterodine tartrate, urinary antimuscarinic with piperidine ring system (N hetero-atoms only). HTS 2933.99.8290 other aromatic heterocyclic nitrogen compounds. Overactive bladder treatment API.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document R-enantiomer content (>99%) vs racemic
• Tartrate salt water content critical for stability
• Compare to Detrol® reference standard