Nordefrin Hydrochloride from China
Nordefrin hydrochloride is a sympathomimetic amine used as a vasoconstrictor in dental anesthetics. Classified in HTS 2921.49.43.00 as an aromatic monoamine drug salt. Contains norepinephrine-like structure with amine functionality.
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
• Provide dental anesthetic formulation compatibility data
• Ensure pH adjustment documentation for injectable use
• Avoid bulk chemical declaration; specify API status