Thenalidine Tartrate from China
Thenalidine tartrate, a discontinued antihistamine, features thiazole amide aromatic structure. Imports as HTS 2924.29.62 'other drugs' aromatic cyclic amides. Salt classification follows Chapter 29 note 5(C).
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Legacy drug status verification; tartrate counterion analysis
• Limited market SDS updates
• Research chemical import permits if non-FDA