</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Veterinary Grade Streptomycin Sesquisulfate from Mexico

Streptomycin sesquisulfate (2:3 sulfate ratio) is a specialized salt derivative for veterinary antibiotic applications in poultry and swine. Under HTS 2941.20.50.00 as 'other' streptomycin salts, it complies with Chapter 29 definitions for organic antibiotic compounds used in bulk form.

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

Provide FDA Form 2877 for veterinary premix approvals; declare withdrawal periods for target species

Anti-caking stabilizers allowed per Chapter 29 note (f), but document necessity for transport