Ergocristinine from Japan
Ergocristinine is an isolysergic acid derivative from rye ergot, used in alkaloid research. Classified in HTS 2939.69.00.00 as 'other' rye ergot derivatives, distinguished from lysergic acid amide (2939.41). Meets chapter note for chemically pure organic compounds.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Laboratory use declaration helps avoid pharmaceutical scrutiny
• Ensure no amide modification that would trigger 2939.41