Alfentanil Hydrochloride from Mexico
Alfentanil hydrochloride is a short-acting synthetic opioid used for intraoperative analgesia. It is classified in HTS 2939.19.20.00 as a synthetic opium alkaloid salt, fitting chapter 29 provisions for chemically defined organic compounds and their derivatives. Bulk powder form is typical for pharmaceutical manufacturing.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
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 FDA Drug Master File (DMF) prior to import and include lot-specific testing data
• Comply with narcotic import bond requirements; under-bonded shipments face penalties
• Avoid mixing with other APIs in same container to prevent cross-contamination flags