Thiethylperazine Malate from Mexico
Thiethylperazine malate is a phenothiazine derivative used exclusively as an antiemetic. It qualifies for HTS 2934.30.27.00 as an other phenothiazine drug, following Chapter 29 rules for acid salts.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include malic acid salt stoichiometry verification per Chapter 29 note (C)(2) for organic salt classification
• Provide vomiting/nausea clinical trial data supporting antiemetic primary use
• Ensure GMP certification for API import to avoid Chapter 30 misclassification