Erythromycin Thiocyanate from Mexico
Erythromycin thiocyanate is a salt form of erythromycin used as a feed additive antibiotic in veterinary applications for livestock. It meets HTS 2941.50.00.00 criteria as a derivative salt of the antibiotic erythromycin, a chemically defined organic compound. Primarily imported as technical grade powder.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
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
• Obtain FDA veterinary drug approvals and residue limits documentation; ensure anti-dumping compliance if from certain origins
• Pitfall: confusing with human-grade material