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Ritodrine Hydrochloride from Japan

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 — Japan → United States

15%

Rate breakdown

9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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