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Remifentanil Hydrochloride from Japan

Remifentanil hydrochloride is an ester-based ultra-short-acting fentanyl derivative for anesthesia, under HTS 2934.92.00.00. It qualifies as a heterocyclic compound per chapter notes on esters classified by parent structure.

Duty Rate — Japan → United States

15%

Rate breakdown

9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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

Submit annual import quotas to DEA; use GMP-certified suppliers

Pitfall: Ester instability requires validated cold chain documentation