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Famotidine Active Pharmaceutical Ingredient from Canada

Famotidine API contains a thiazole ring in its aromatic structure, qualifying for HTS 2934.10.10.00 per section VI note 3. This H2-receptor antagonist is used in manufacturing acid reflux medications.

Duty Rate — Canada → 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

Submit ANDA or DMF documentation; ensure 99.0%+ purity with chiral HPLC certificate

Comply with FDA cGMP requirements for API importers; maintain 2-year retention samples

Label containers 'For Further Manufacturing Use Only - Not for Direct Human Consumption'