Alfentanil Hydrochloride from Canada
Alfentanil hydrochloride is the hydrochloride salt of alfentanil, a short-acting fentanyl derivative with a piperidine nitrogen heterocycle and pyridine ring influence in its structure. It is classified in HTS 2933.34.00.00 per chapter note on salts of organic compounds following the parent fentanyl derivative heading. Used as a pure chemical intermediate for rapid-onset analgesics.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include salt formation proof in COA to match parent compound classification per note 3(C)(1); use stabilizers only for transport per note (f); common pitfall is forgetting bilingual hazard labeling for controlled substances