Fenproporex Sulfate Salt from Japan
Fenproporex sulfate is an acidic salt derivative of the INN fenproporex, a nitrile-function compound explicitly listed in HTS 2926.30.10.00. This form enhances stability for laboratory synthesis of anorectic agents. It complies with chapter notes for salts of organic compounds classified with the base compound.
Duty Rate — Japan → United States
27.5%
Rate breakdown
9903.04.6215%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 exact salt stoichiometry in commercial invoice for accurate duty assessment
• Obtain end-user statement if destined for Schedule I analog research
• Test for heavy metals <10ppm to avoid environmental import restrictions