Sulfamethazine Bolus Tablets API from Mexico
Granular sulfamethazine active pharmaceutical ingredient specifically manufactured for compression into large veterinary bolus tablets administered to ruminants. Classified under HTS 2935.90.30.00 as bulk sulfamethazine anti-infective drug substance before final tableting. Particle size optimized for uniform tablet dissolution in animal digestive systems.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify 'direct compression grade' in documentation and provide flowability/purity specs; FDA requires veterinary new animal drug application status
• Avoid declaring as 'finished boluses' which changes chapter