Anhydrous Tolmetin Sodium for API Manufacturing from Mexico
Anhydrous tolmetin sodium is imported as a key intermediate for producing anti-inflammatory medications, featuring a nitrogen-containing heterocyclic ring system. HTS 2933.99.55.30 applies due to its drug status as a CNS-affecting analgesic. Supplied in drums for large-scale pharma production.
Duty Rate — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Ensure transport in moisture-proof packaging to maintain anhydrous form; provide ICH stability studies
• Common pitfall: incorrect declaration as dihydrate leading to duty disputes