Sulfasalazine USP Powder from Mexico

Sulfasalazine is a sulfonamide antibiotic chemically known as salicylazosulfapyridine, used primarily for treating ulcerative colitis and rheumatoid arthritis. This USP-grade powder form falls under HTS 2935.90.4200 as it is specifically listed as an anti-infective agent within the sulfonamides category of Chapter 29. It is supplied as a bulk pharmaceutical intermediate for compounding into tablets or suspensions.

Duty Rate — Mexico → United States

0%

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

Obtain FDA Drug Master File (DMF) and ensure Certificate of Analysis confirms USP purity standards for pharmaceutical-grade imports

Provide detailed stability data and impurity profiles as required for anti-infective sulfonamides under FDA import alerts

Avoid common pitfalls by verifying the product meets 'drugs' classification rather than veterinary use which may shift to different HTS