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2930.90.49.50/Lipoic Acid (Alpha-Lipoic Acid)/Canada

Lipoic Acid (Alpha-Lipoic Acid) from Canada

Alpha-lipoic acid contains a five-membered disulfide ring with carboxylic acid, classified under HTS 2930.90.4950 as organo-sulfur acid. Direct C-S bonds qualify; cyclic but not excluded heterocyclic per note 8. Used as antioxidant supplement and diabetes treatment.

Duty Rate — Canada → United States

100%

Rate breakdown

9903.04.6095.8%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)
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Import Tips

• Include R/S racemic mixture specification (rac-alpha-lipoic acid)

• Provide USP assay >98% and heavy metals certification

• Distinguish bulk powder from encapsulated supplement form

Lipoic Acid (Alpha-Lipoic Acid) from Canada — Import Duty Rate | HTS 2930.90.49.50