Bupivacaine Hydrochloride from China
Bupivacaine hydrochloride is an aromatic amino-compound featuring amide oxygen function and amino group, used as a long-acting local anesthetic intermediate under HTS 2922.50.3500 per U.S. note 3. Its structure aligns with chapter notes for oxygen-function amino-compounds on benzene rings.
Duty Rate — China → 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
• Include FDA import alerts check and chemical assay reports; declare exact CAS number to confirm note 3 status
• Watch for reclassification if purity exceeds 99% suggesting finished product