Fenproporex Sulfate Salt from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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