Methysergide Maleate from Japan
Methysergide maleate is a semisynthetic lysergic acid derivative salt used in migraine research, classified under HTS 2939.63.00.00 as a rye ergot alkaloid salt. Meets chapter requirements for chemically defined organic compounds.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.6215%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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
• Check FDA Orange Book status for any reference standard requirements
• Provide batch-specific chromatograms demonstrating lysergic acid content
• Declare research-only intended use to avoid pharmaceutical dosage form scrutiny