Ritodrine Hydrochloride from Mexico
Ritodrine hydrochloride, an aromatic amino-alcohol salt, was used as a tocolytic for preterm labor inhibition. Its beta-sympathomimetic structure with phenolic OH and amino groups places it in HTS 2922.19.70.00.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%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
• Note discontinued human use status; primarily for research import now
• Include synthetic route documentation to confirm non-natural alkaloid status
• Package under inert atmosphere to prevent phenolic oxidation