Anhydrous Tolmetin Sodium for API Manufacturing from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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