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Quinine Sulfate Capsules 300mg from Mexico

Capsules containing quinine sulfate 300mg, the canonical antimalarial alkaloid per subheading note 2, for severe falciparum treatment. Put up in measured doses for retail sale under HTS 3004.60.00.00. Also used for nocturnal leg cramps off-label.

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

Document cinchona bark equivalence if natural-derived; avoid bulk shipments misclassified as food extracts

Pitfall: cardiac warning label omissions trigger FDA detention

Use validated cold chain if required