Iso-Lysergic Acid Hydrazide Salts from Mexico
Iso-lysergic acid hydrazide salts are derivatives of lysergic acid from rye ergot, classified as salts under HTS 2939.63.00.00. These chemically defined compounds are used in neuropharmacological studies.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Reference specific pharmacopeial monographs for purity and identification testing
• Include stability data for transport conditions to prevent degradation
• Avoid bulk packaging over 1kg without special justification for research quantities