</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Celecoxib API from Mexico

Celecoxib is a COX-2 selective NSAID containing a sulfonamide group, used for arthritis treatment. Classified under HTS 2935.90.95.00 due to its pyrazole-sulfonamide structure qualifying as an 'Other' sulfonamide.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Polymorphic form I required; specify crystal structure in COA

High-value API; use tamper-evident sealed drums

Patent-protected; verify ANDA status for generic imports