Synephrine Hydrochloride from China
Synephrine hydrochloride is a sympathomimetic amine used in weight loss supplements and nasal decongestants. Falls under HTS 2921.49.43.00 as a drug among aromatic monoamine salts. Structurally similar to ephedrine with para-hydroxy substitution.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals: 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
• File NDI notification if used in dietary supplements
• Provide clinical safety data for supplement applications
• Distinguish from ephedrine to avoid controlled substance issues