Butalbital Pharmaceutical Grade from China
Butalbital, a short to intermediate-acting barbiturate for tension headaches, features the pyrimidine ring listed under HTS 2933.53.00.00. Bulk imported for combination with acetaminophen/caffeine in Fioricet formulations. Pure chemical compound without excipients.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Combination drug manufacturers need separate API and excipient duty calculations
• Include polymorphic form specification (Form I vs II) in COA to prevent grade disputes