Celecoxib Active Pharmaceutical Ingredient from Mexico
Celecoxib is a selective COX-2 inhibitor used in nonsteroidal anti-inflammatory drugs for pain relief and arthritis treatment. It contains an unfused pyrazole ring in its aromatic heterocyclic structure, classifying it under HTS 2933.19.3500 as a drug. This API is imported for pharmaceutical formulation.
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
• Provide FDA Drug Master File (DMF) and Certificate of Analysis confirming pyrazole structure and purity >99%
• Ensure DEA registration if precursor potential exists; include pharmacopeial compliance certificates
• Avoid misclassification as research chemical by providing end-use affidavits for pharmaceutical production