Saxitoxin in Aqueous Solution from Japan
Saxitoxin dissolved in water for stability during transport falls under HTS 2939.80.0010 per Chapter 29 note 2(d). The aqueous solution qualifies as a normal transport method without rendering it for specific use.
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
• Declare solution concentration and stability data to justify aqueous form
• Refrigerated shipping required; include temperature monitoring records
• Confirm solvent doesn't create specific-use formulation per chapter note 2(e)