Carbadox Veterinary Antibiotic Powder 98% from China
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 — China → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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