Alprazolam Base USP from China
Triazolobenzodiazepine alprazolam in USP reference standard base form for anxiety disorder treatment. Classified under HTS 2933.91.00 as alprazolam (INN) due to its specific nitrogen heterocyclic structure meeting chapter requirements. Primary API for 0.25mg-2mg immediate release tablets.
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
• Verify batch conforms to USP monograph including related substances limits
• Cold chain validation required for temperature excursion prevention
• Include polymorphic form specification (Form A vs Form B) in documentation