Carbadox Veterinary Antibiotic Powder 98% from Mexico
Carbadox is a quinoxaline derivative antibiotic specifically listed under HTS 2933.99.4200 as an anti-infective agent. Used primarily in swine feed as a growth promotant and for bacterial infection control, this pure powder meets pharmaceutical standards. Its heterocyclic nitrogen structure qualifies it for this precise tariff classification.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• FDA requires veterinary drug approval; ensure CVM import compliance with residue monitoring requirements
• Document 98%+ purity with stability data; impurities >2% may reclassify as mixtures
• Import under veterinary master file; avoid human drug labeling to prevent regulatory issues